Heating and Cooling Blog

How Weather Changes Can Cause You To Need Air Conditioning Repair in West University Place, TX

Have you ever noticed that your air conditioner seems to struggle more during certain times of the year, even when it was working perfectly just a few months ago? In West University Place, TX, the weather can be unpredictable, and these fluctuations can take a toll on your home’s air conditioning system. Understanding how seasonal changes impact your AC can help you spot potential problems early and avoid expensive repairs down the line.

November in West University Place brings a transition from the lingering heat of summer to cooler, milder days. While temperatures may start to dip, occasional warm spells or unexpected humidity swings can place unique stress on your air conditioning system. Homeowners often underestimate how these changes affect the efficiency and longevity of their units.

In this blog, we will explore how weather changes in our area can lead to the need for air conditioning repair, common issues caused by these conditions, and what you can do to protect your system.

Understanding West University Place’s Climate and Its Effect on AC Systems

West University Place experiences a humid subtropical climate. Summers are long, hot, and humid, while winters are relatively mild with occasional cold fronts. While most homeowners focus on cooling during the peak summer months, transitional seasons like fall can also challenge your air conditioning system.

Sudden temperature swings, such as a warm November day followed by a chilly night, can cause condensation problems and put additional strain on your AC components. These small stresses accumulate over time and may lead to the need for repairs if your system isn’t properly maintained.

How Temperature Fluctuations Affect Air Conditioning Units

Air conditioning systems are designed to work efficiently within a specific range of outdoor temperatures. When the weather changes rapidly, it can cause several problems:

1. Increased Wear and Tear on Mechanical Components

Frequent cycling between cooling and idle modes can wear out parts like the compressor and fan motor. Every time your AC starts and stops, components experience stress, which can reduce their lifespan.

2. Refrigerant Imbalance

Air conditioners rely on a precise balance of refrigerant to cool your home effectively. Temperature changes can cause fluctuations in refrigerant pressure, potentially leading to leaks or decreased cooling efficiency.

3. Thermostat Strain

Thermostats work harder during weather swings, especially when the system must rapidly adjust to maintain indoor comfort. A malfunctioning thermostat can lead to uneven cooling or even a complete system shutdown.

Common Air Conditioning Problems Triggered by Weather Changes

Weather-related stress can cause a variety of AC issues. Recognizing these early can prevent costly damage.

1. Frozen Evaporator Coils

When outside temperatures drop unexpectedly, especially in the late fall, evaporator coils can freeze. Frozen coils block airflow and prevent your system from cooling properly, often resulting in higher energy bills and the need for professional repair.

2. Clogged Condensate Drain Lines

Increased humidity and condensation during transitional weather can overwhelm your AC’s drain system. If the condensate line becomes clogged, water may back up and cause leaks, water damage, or even mold growth in your home.

3. Electrical Component Failures

Voltage fluctuations caused by storms or temperature extremes can damage electrical components like capacitors, relays, and circuit boards. Faulty electrical parts can cause your AC to stop working entirely or operate inefficiently.

4. Reduced Cooling Efficiency

When your system struggles with sudden heat or humidity changes, it may fail to maintain consistent indoor temperatures. This often indicates a need for cleaning, maintenance, or repair of key components.

Seasonal Maintenance Tips to Prevent Weather-Related AC Repairs

Preventive maintenance is the most effective way to reduce weather-related AC problems. Homeowners in West University Place can follow these tips to keep their systems running smoothly:

1. Schedule a Professional Tune-Up

A seasonal inspection from a licensed HVAC professional ensures your system is clean, properly charged, and operating efficiently. Components like coils, filters, and refrigerant levels can be checked and adjusted to handle temperature swings.

2. Replace or Clean Air Filters Regularly

Clogged filters restrict airflow and force your system to work harder, increasing the risk of mechanical failure. Replacing filters every 1–3 months keeps air flowing and helps prevent strain on your AC.

3. Keep Outdoor Units Clear

Debris, leaves, or excessive vegetation around your outdoor unit can block airflow and reduce efficiency. Clearing space around your unit allows it to operate effectively, especially during seasonal temperature changes.

4. Monitor for Early Warning Signs

Pay attention to unusual noises, inconsistent cooling, or higher energy bills. These can be early indicators of weather-related stress on your system and signal that a professional inspection is needed.

How Humidity Levels Impact Air Conditioning in Transitional Weather

Humidity is a major factor in AC performance. Even when temperatures drop, high humidity can make your home feel warmer and force your AC to work harder.

Effects of High Humidity:

• Increased moisture in the air can cause condensation inside your unit, leading to water leaks or corrosion.

• High indoor humidity can make your system cycle more frequently, wearing out components faster.

• Excessive moisture can create an environment for mold growth, affecting indoor air quality.

Managing humidity with your AC requires proper maintenance and sometimes supplemental solutions like a whole-home dehumidifier.

How Sudden Heat Waves Can Trigger AC Repair Needs

West University Place sometimes experiences unexpected warm spells in late fall, which can be surprising for homeowners who have already reduced AC usage. These sudden heat events can reveal underlying issues:

• Compressor Overload: A unit that has been idle may struggle to catch up, causing stress on the compressor.

• Refrigerant Leaks: Sudden demand on the system can expose leaks or low refrigerant levels.

• Poor Airflow: Dust and debris in the ducts or coils may hinder performance when the system needs to ramp up quickly.

Recognizing these risks helps homeowners prepare and schedule maintenance before small problems turn into major repairs.

Practical Steps to Protect Your AC During Weather Changes

Homeowners can take several proactive steps to reduce the risk of AC damage during weather transitions:

1. Adjust Thermostat Gradually
   Avoid large temperature swings indoors. Gradual adjustments help reduce stress on your AC.

2. Check for Air Leaks
   Seal windows, doors, and ductwork to ensure your AC isn’t overworking to compensate for leaks.

3. Keep Vents and Registers Clean
   Blocked vents reduce airflow and can cause your system to overheat or freeze.

4. Inspect Electrical Connections
   Loose or corroded connections can be exacerbated by fluctuating temperatures and cause system failure.

5. Schedule a Mid-Season Check
   Even if your AC seems fine, a professional mid-season inspection can prevent emergency repairs and keep efficiency high.

Understanding When to Call for Air Conditioning Repair

Even with careful maintenance, some issues require professional attention. Here are signs you should call a licensed HVAC technician:

• AC is blowing warm or inconsistent air.

• Unusual noises like rattling, buzzing, or hissing.

• Frequent cycling on and off.

• Excessive humidity or water leaks around the unit.

• Sudden spikes in energy bills.

Addressing problems early reduces repair costs and extends the life of your system.

The Importance of Local Expertise in AC Repair

Choosing an HVAC company familiar with West University Place’s climate is crucial. Local experts understand common weather patterns, typical seasonal stressors on AC systems, and effective solutions for homeowners in the area.

A professional team can provide:

• Accurate diagnosis of AC issues related to seasonal weather changes.

• Preventive maintenance tailored to local conditions.

• Efficient repairs using high-quality parts to ensure longevity.

Working with a trusted local company ensures your home stays comfortable year-round without unexpected breakdowns.

Energy Efficiency Considerations During Weather Changes

Weather transitions also affect energy consumption. Older or poorly maintained systems may require more energy to maintain comfort, leading to higher bills. Proper maintenance, timely repairs, and equipment upgrades can improve efficiency:

• Ensure refrigerant levels are optimal.

• Clean and maintain coils and fans.

• Upgrade to energy-efficient thermostats for precise control.

• Insulate ductwork to minimize energy loss.

Efficiency not only saves money but also reduces strain on your AC system during seasonal changes.

For Air Conditioning Repair in West University Place, Contact McCann Services Today

Weather changes in West University Place, TX, can create unexpected challenges for your air conditioning system. From temperature fluctuations to humidity spikes, your AC experiences stress that can lead to repairs if not properly maintained.

McCann Services is here to help homeowners stay comfortable through every season. Our team of local HVAC experts provides professional inspections, timely repairs, and preventive maintenance to ensure your system operates efficiently and reliably. If your AC is showing signs of strain or you want to prevent future issues, contact McCann Services today. We are committed to keeping your home cool, safe, and comfortable no matter what the weather brings.

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by Sofia

The Most Overlooked Indoor Air Quality Issues in Houston, TX

Have you ever walked into your home and felt like the air just doesn’t feel right? Maybe it feels heavy, dusty, or even slightly musty. In Houston, where humidity and heat can be relentless, indoor air quality (IAQ) is a concern that many homeowners overlook. Most people think of air quality only in terms of allergies or visible dust, but the truth is that the air inside your home can contain a wide range of invisible pollutants that affect your health and comfort every day. Understanding the most overlooked IAQ issues can help you take control of your indoor environment and protect the health of your family.

Why Indoor Air Quality Matters in Houston

Houston’s climate plays a big role in shaping indoor air quality concerns. High humidity, combined with a mix of urban pollution and allergens like pollen, creates an environment where mold, dust mites, and bacteria can thrive. According to the Environmental Protection Agency (EPA), indoor air can be two to five times more polluted than outdoor air, and poor air quality is linked to respiratory issues, allergies, and even long-term health effects.

The good news is that many of these problems are preventable or correctable with proper HVAC maintenance, air filtration, and professional indoor air quality services. But first, let’s explore the issues that often fly under the radar for Houston homeowners.

Hidden Moisture and Mold Growth

Why Moisture is a Problem

One of the most common but overlooked IAQ issues in Houston is hidden moisture. High humidity levels, often exceeding 70% during the summer, create ideal conditions for mold growth inside walls, under floors, and in attics. Mold spores are microscopic and can spread through your home via your HVAC system without you even noticing.

Health Risks of Mold

Mold exposure can trigger respiratory problems, headaches, sinus infections, and allergy flare-ups. In some cases, prolonged exposure can lead to more serious conditions like asthma exacerbation. According to the Centers for Disease Control and Prevention (CDC), children, elderly adults, and individuals with compromised immune systems are particularly vulnerable to mold-related health issues.

Prevention and Solutions

Proper ventilation, humidity control, and regular HVAC inspections are key to preventing hidden moisture. Installing a whole-home dehumidifier or maintaining your air conditioning system to manage humidity can significantly reduce mold growth and improve overall indoor air quality.

Dirty Ductwork and Air Vents

The Problem with Air Ducts

Many homeowners never think about the condition of their ductwork, but dirty ducts can significantly impact indoor air quality. Dust, pet dander, pollen, and even microbial contaminants can accumulate over time in ducts, only to be circulated throughout your home whenever your HVAC system runs.

The Impact on Health and Efficiency

Clogged or contaminated ducts can exacerbate allergies and respiratory issues. Additionally, dirty ducts can make your HVAC system work harder, reducing efficiency and increasing energy costs. Studies by the National Air Duct Cleaners Association (NADCA) show that regular duct cleaning can help maintain system efficiency and improve indoor air quality.

Solutions for Cleaner Air

Professional air duct cleaning and inspection should be part of routine HVAC maintenance. Ensuring that your ducts are sealed properly and free of debris helps minimize the spread of pollutants and supports a healthier indoor environment.

Inadequate Air Filtration

Why Filters Matter

Many homeowners underestimate the importance of air filters. Standard HVAC filters primarily protect your system from large particles but often fail to capture finer pollutants like bacteria, viruses, and volatile organic compounds (VOCs). These tiny particles can remain suspended in the air, contributing to poor indoor air quality and potential health issues.

Health Implications

According to the EPA, prolonged exposure to poor indoor air quality can increase the risk of respiratory infections, aggravate asthma, and even affect cardiovascular health. Families with young children or elderly members are particularly at risk.

Upgrading Your Filtration

Using high-efficiency filters (like HEPA filters) or installing an air purifier in conjunction with your HVAC system can drastically improve indoor air quality. Regularly replacing filters ensures your system runs efficiently while capturing harmful particles.

Volatile Organic Compounds (VOCs)

What Are VOCs?

VOCs are chemicals released from everyday products such as paints, cleaning supplies, furniture, and even carpets. While outdoor air pollution often gets attention, indoor VOCs can reach higher concentrations in homes, especially in well-insulated modern buildings like those common in Houston.

Health Risks of VOCs

Exposure to VOCs can lead to headaches, dizziness, eye irritation, and long-term respiratory problems. Children and individuals with asthma are particularly sensitive. The World Health Organization emphasizes that long-term exposure to indoor VOCs can contribute to chronic health conditions.

How to Reduce VOC Exposure

Ventilation is key. Using exhaust fans, opening windows when weather permits, and choosing low-VOC or no-VOC products can significantly reduce exposure. Combining these strategies with HVAC filtration upgrades further enhances indoor air quality.

Poor Ventilation and Stale Air

The Hidden Dangers of Stale Air

Even if your air looks clean, stagnant or poorly ventilated air can be a serious indoor air quality issue. Homes that are tightly sealed to improve energy efficiency can trap pollutants inside, creating pockets of stale air that contain dust, allergens, and microbial contaminants.

Effects on Health and Comfort

Stale air can contribute to headaches, fatigue, and respiratory irritation. Over time, inadequate ventilation can worsen indoor air quality and create an environment where mold and bacteria thrive.

Improving Ventilation

Mechanical ventilation systems, such as energy recovery ventilators (ERVs) or heat recovery ventilators (HRVs), can bring in fresh outdoor air while minimizing energy loss. Even simple solutions like ceiling fans, exhaust fans in bathrooms and kitchens, and opening windows periodically can improve airflow and reduce indoor pollutant buildup.

Pet Dander and Household Allergens

Common Overlooked Allergens

In Houston homes, pets are beloved family members, but their dander can accumulate in carpets, furniture, and HVAC systems. Dust mites, another common allergen, thrive in humid climates like Houston and are often overlooked as a source of respiratory issues.

Impact on Health

Allergens can cause sneezing, coughing, itchy eyes, and even trigger asthma attacks. For families with children or elderly members, controlling allergens is critical for maintaining a healthy home environment.

Practical Solutions

Regular cleaning, vacuuming with HEPA-filter vacuums, and professional HVAC cleaning can help reduce allergens. Installing high-quality air filters and using dehumidifiers can further minimize dust mite populations.

Carbon Monoxide Risks

The Silent Threat

Carbon monoxide (CO) is an odorless, colorless gas produced by malfunctioning furnaces, gas appliances, and water heaters. While often overlooked, CO is extremely dangerous and can be fatal at high concentrations. According to the CDC, more than 400 Americans die from accidental CO poisoning each year, and thousands more require emergency treatment.

Preventing CO Exposure

Regular HVAC inspections and maintenance are critical for detecting and preventing CO leaks. Installing CO detectors near sleeping areas provides an additional layer of safety. Ensuring proper ventilation and timely repairs can protect your family from this silent threat.

Chemical Cleaning Residues

Hidden Pollutants from Cleaning

Many households rely on cleaning products to maintain hygiene, but residues from chemical cleaners can linger in the air or on surfaces, contributing to indoor air pollution. VOCs and other chemical byproducts from these products can irritate eyes, skin, and respiratory systems.

Reducing Chemical Exposure

Switching to natural or non-toxic cleaning products, improving ventilation during cleaning, and using air purifiers can help reduce exposure to harmful chemicals. This simple adjustment can make a significant difference in overall indoor air quality.

Regular HVAC Maintenance: The Key to Healthy Air

The single most effective way to address many of these overlooked IAQ issues is through regular HVAC maintenance. Professional services can:

• Inspect and clean ductwork

• Check and replace air filters

• Test for carbon monoxide leaks

• Evaluate ventilation efficiency

• Recommend air quality improvements, such as purifiers or dehumidifiers

According to industry studies, homes that receive regular HVAC maintenance not only experience improved air quality but also benefit from lower energy costs and fewer system breakdowns.

For Indoor Air Quality Services in Houston, TX, Contact McCann Services Today

Your home should be a safe, comfortable environment, but invisible indoor air pollutants can undermine your health and well-being without you realizing it. From hidden mold and dust in your ducts to VOCs and carbon monoxide, many issues go unnoticed until they become serious.

At McCann Services, we understand the unique challenges Houston homeowners face when it comes to indoor air quality. Our team of experienced professionals provides thorough inspections, cleaning, and solutions designed to protect your family and ensure your home’s air is clean and healthy. Don’t leave your indoor air quality to chance—trust McCann Services to help you breathe easier and feel confident in the comfort of your home.

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by Sofia

How Fast Can an HVAC Contractor Respond to Emergency Calls in Bellaire, TX?

When your home comfort system suddenly stops working, the stress can feel overwhelming. Imagine sitting at home and noticing that the air has grown uncomfortably warm or freezing cold, only to realize your HVAC system has shut down without warning. At that moment, the only thing you want to know is: how quickly can help arrive?

In Bellaire, TX, where families rely on HVAC systems year-round, the speed of emergency response is more than just a convenience—it’s a necessity. Understanding how fast an HVAC contractor can respond to emergency calls, and what factors affect that response time, can give you peace of mind the next time you’re faced with an urgent issue.

This blog will break down everything you need to know about emergency HVAC response in Bellaire, TX. From typical response times and industry standards to what you can do as a homeowner to speed up the process, we’ll walk you through it step by step.

Why Emergency HVAC Response Time Matters

When your HVAC system fails unexpectedly, it doesn’t just cause discomfort—it can create safety risks and even damage your property.

• Health and Safety Concerns: High heat indoors can cause dehydration and heat-related illnesses, while low temperatures can lead to hypothermia in extreme cases.

• Property Damage Risks: HVAC failures can sometimes involve frozen coils, leaks, or electrical issues that cause secondary damage if left unresolved.

• Daily Routine Disruptions: Living without heating or cooling, even for a short time, disrupts sleep, work-from-home setups, and family activities.

Quick response times from HVAC contractors help minimize these risks. According to a 2022 survey by the Air Conditioning Contractors of America (ACCA), 78% of homeowners ranked “speed of emergency service” as the most important factor when choosing an HVAC company.

Average HVAC Emergency Response Times in Bellaire, TX

So, how fast can an HVAC contractor really get to your door in Bellaire? While every situation is different, most emergency response times fall within a predictable range.

• Within Hours: Many contractors prioritize emergency calls and can dispatch a technician within a few hours, especially during business hours.

• Same Day Service: In most cases, HVAC companies in Bellaire provide same-day emergency service to homeowners.

• After-Hours and Weekends: If your system fails at night or on the weekend, many contractors still offer 24/7 emergency service, but response times may vary depending on technician availability.

Industry data supports these ranges. A 2021 study by HomeAdvisor found that 65% of HVAC emergency calls were addressed within 4–8 hours, while another 25% received service in under 2 hours. That means roughly 90% of emergency issues are handled the same day they’re reported.

Factors That Affect How Fast a Contractor Can Arrive

Not every emergency call receives the same immediate response, and several factors determine how quickly a contractor can arrive at your Bellaire home.

1. Time of Day

Calls made during normal business hours are often resolved faster since contractors already have technicians in the field. After-hours emergencies may require an on-call technician to be dispatched.

2. Location in Bellaire

Your proximity to the contractor’s office or to a technician’s current location impacts response time. Contractors often have technicians stationed across the Houston metro area to minimize travel delays.

3. Type of Emergency

Contractors usually triage emergencies. For example:

• A complete system breakdown during high temperatures may take priority over a minor airflow issue.

• Emergencies with safety risks, like electrical burning smells or refrigerant leaks, are often handled immediately.

4. Seasonal Demand

During peak heating and cooling seasons, HVAC companies receive a surge in emergency calls. A 2020 report from Energy.gov found that demand for HVAC repairs increases by 30–40% during seasonal extremes, which can affect how quickly technicians arrive.

5. Technician Availability

The number of on-call technicians and the size of the company also affect response time. Larger companies like McCann Services often have more technicians available, making it easier to respond quickly.

What Contractors Do During an Emergency Visit

When a technician arrives for an emergency call, their first priority is diagnosing the issue quickly and safely. Here’s what you can usually expect during that visit:

1. Immediate Assessment – The technician checks for obvious signs of failure such as tripped breakers, strange noises, or refrigerant leaks.

2. System Diagnostics – Using tools and gauges, the technician measures system performance and pinpoints the exact cause.

3. Temporary Fixes – If the problem requires a part that isn’t immediately available, a temporary solution may be provided to restore partial functionality.

4. Full Repair (If Possible) – Many common issues, such as faulty capacitors, clogged filters, or thermostat malfunctions, can be fully repaired during the initial visit.

5. Safety Checks – Before leaving, technicians ensure the system is safe to operate and advise on any additional repairs needed.

How Homeowners Can Help Speed Up Emergency Service

While contractors work hard to respond quickly, there are steps you can take to help speed up the process.

Be Clear and Specific When Calling

Explain the symptoms in detail when you make the emergency call. Instead of just saying “the AC isn’t working,” mention whether the system is making noises, producing warm air, or tripping breakers. This helps the contractor prioritize your case and prepare the right tools or parts.

Have System Information Ready

Knowing your HVAC system’s brand, model, and approximate age can save time. Technicians can often bring likely replacement parts with them if they know what equipment you have.

Provide Easy Access

Clear pathways to your indoor and outdoor units so the technician can get to work immediately. This small step can save valuable time during emergencies.

Schedule Preventative Maintenance

While this doesn’t affect emergency response directly, regular maintenance lowers your risk of sudden breakdowns, meaning you’re less likely to need emergency service at all.

The Role of 24/7 Emergency HVAC Services in Bellaire

Many contractors in Bellaire, including McCann Services, offer 24/7 emergency response. This availability is critical for homeowners because HVAC systems don’t just fail during office hours.

According to the U.S. Energy Information Administration (EIA), more than 50% of household energy use in Texas is tied to heating and cooling. With systems working so hard year-round, it’s not surprising that failures often occur at inconvenient times. Knowing that a contractor is always on call gives you peace of mind, no matter when an issue arises.

Common Emergency HVAC Issues in Bellaire Homes

Certain problems are more likely to trigger emergency calls than others. Being aware of them can help you recognize issues early.

• Complete System Failure: Sudden loss of heating or cooling.

• Refrigerant Leaks: Causes warm air and can damage the compressor if left untreated.

• Electrical Failures: Burning smells, tripped breakers, or sparks.

• Frozen Coils: Often linked to restricted airflow or refrigerant problems.

• Blower Motor Failure: Stops conditioned air from circulating through your home.

These problems typically require immediate attention since delaying repairs can lead to higher costs or unsafe conditions.

What Sets McCann Services Apart in Emergency Response

Homeowners in Bellaire want more than just fast service—they want dependable, skilled technicians who can handle emergencies efficiently. McCann Services stands out in several key ways:

• Local Expertise: With years of experience in Bellaire and surrounding areas, McCann Services understands the unique demands placed on HVAC systems here.

• Highly Trained Technicians: Every technician is trained to handle complex emergency issues and deliver solutions that last.

• Well-Equipped Service Vehicles: Technicians arrive with a wide range of tools and common replacement parts, reducing delays.

• Customer-Centered Approach: McCann Services prioritizes communication, keeping you informed every step of the way.

How to Prepare for an HVAC Emergency Before It Happens

Even though you can’t predict emergencies, you can prepare for them. Here are a few steps:

1. Know Your Contractor: Have a trusted local company like McCann Services in mind before an emergency strikes.

2. Maintain Regular Service: Preventive checkups reduce the likelihood of sudden failures.

3. Understand Warning Signs: Learn to recognize noises, odors, or performance changes that signal trouble.

4. Have a Backup Plan: Keep fans, portable heaters, or extra blankets available for temporary comfort until help arrives.

Preparation ensures that when an emergency does occur, you’re not left scrambling.

The Peace of Mind That Comes with Reliable HVAC Support

At the end of the day, knowing that reliable help is only a phone call away makes all the difference. When your HVAC system fails, the clock starts ticking—not just on your comfort but on your home’s safety and efficiency.

Fast emergency response isn’t just about speed; it’s about expertise, preparation, and trust. In Bellaire, TX, McCann Services combines all three to give homeowners the reassurance they need in stressful moments.

For HVAC Services in Bellaire, TX, Contact McCann Services Today

If you ever find yourself asking, “How fast can an HVAC contractor respond to emergency calls in Bellaire?” the answer is simple: McCann Services is here when you need us most. Whether it’s the middle of the day or the middle of the night, our team is ready to restore your comfort quickly, safely, and professionally.

Don’t wait until an emergency strikes to know who to call. Trust McCann Services for reliable HVAC solutions and the peace of mind that comes with having experts on your side.

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by Sofia

Why Your AC May Freeze Up Even During End-Of-Summer in West University Place, TX

When the sun blazes, the air feels heavy, and you’re just grateful for a cool breeze from your air conditioner, the last thing you expect is for it to suddenly stop working because it’s frozen solid. It sounds strange—how can something that’s designed to cool your home actually get too cold? Yet, AC freeze-ups are more common than many homeowners realize, and they can happen even when summer is winding down in West University Place, TX.

In our area, the combination of high humidity, intense heat, and unique local weather patterns makes air conditioning systems work harder than most people think. That extra strain can lead to frozen coils, reduced airflow, and, eventually, a complete AC shutdown—leaving you hot, frustrated, and possibly facing costly repairs.

In this post, we’ll break down the main reasons your AC may freeze up during late summer, what signs to watch for, and how you can prevent it. By understanding these causes, you’ll be better equipped to protect your comfort and your investment.

Understanding How Your AC Works — and Why It Can Freeze

Your AC isn’t just a machine that blows cold air into your home. It’s a complex system that relies on a delicate balance of temperature, airflow, and refrigerant pressure to work properly. At its core, your AC removes heat from inside your home and transfers it outside using refrigerant and a system of coils.

When this balance is disrupted—by reduced airflow, low refrigerant, or other issues—the evaporator coil (the part that absorbs heat from your home) can get too cold. If it drops below freezing, moisture in the air will condense on the coil and turn into ice. Over time, this ice builds up, blocking airflow even more, which causes the coil to get colder, creating a cycle that eventually shuts down the entire system.

Why West University Place, TX Homes Are Prone to AC Freeze-Ups

While AC freeze-ups can happen anywhere, the climate and environmental conditions in West University Place make them more likely. Here’s why:

1. High Humidity Levels

According to the National Weather Service, the Houston area—including West University Place—averages a relative humidity of around 75% during summer. This excess moisture in the air makes your AC work harder to remove humidity while also cooling your home. When moisture condenses on your evaporator coil and temperatures drop too low, ice can form quickly.

2. Heavy Cooling Demand

Even at the tail end of summer, daytime highs can hover in the 90s, with heat indexes well above that. This means your AC is still running long cycles to keep your home comfortable. Long run times increase the chance of airflow issues going unnoticed, allowing a freeze-up to happen before you realize there’s a problem.

3. Airborne Dust and Pollen

Late summer in our area can still bring high pollen counts and increased dust levels, especially during dry spells. This debris can clog your air filter faster than usual, restricting airflow and triggering the freeze-up cycle.

Common Causes of AC Freeze-Ups

Several issues can cause your AC to freeze. Some are simple maintenance oversights, while others require professional repair.

1. Dirty or Clogged Air Filter

One of the most common—and preventable—causes of AC freeze-ups is a dirty air filter. A clogged filter blocks airflow, making it harder for warm air to reach the evaporator coil. Without enough warm air moving across it, the coil temperature drops, leading to ice formation.

The Department of Energy recommends checking your AC filter every month during heavy use and replacing it at least every 1–3 months, depending on your system and indoor air quality.

2. Low Refrigerant Levels

If your system is low on refrigerant, it can’t absorb enough heat from your home, which causes the evaporator coil to get too cold. Low refrigerant usually means there’s a leak in your system—a problem that not only causes freeze-ups but can also damage your compressor if ignored.

In fact, the Air Conditioning Contractors of America (ACCA) notes that refrigerant leaks are one of the leading causes of early AC failure, often reducing system efficiency by up to 20%.

3. Dirty Evaporator Coil

Dust, dirt, and mold growth on your evaporator coil act like insulation, preventing the coil from properly absorbing heat. This lack of heat absorption lowers coil temperature and increases the risk of freezing.

Since the evaporator coil is hidden inside your indoor unit, it’s not something most homeowners see or clean themselves. Regular professional maintenance is the safest way to keep this part in top condition.

4. Faulty Blower Fan

Your blower fan moves air over the evaporator coil and into your home. If it’s malfunctioning or running at the wrong speed, airflow drops, the coil gets too cold, and ice begins to form.

This can be caused by worn-out motor bearings, electrical issues, or even an incorrect fan speed setting after repairs or installation.

5. Blocked or Closed Air Vents

Sometimes the problem is as simple as too many closed air vents or blocked registers in your home. Restricting airflow through your ductwork causes a drop in air volume across the coil, setting the stage for freezing.

6. Thermostat Issues

A thermostat that is not reading indoor temperatures correctly may cause your system to run longer than necessary, which can lead to overly cold coil temperatures and ice buildup.

Warning Signs Your AC May Be Freezing Up

Recognizing a freeze-up early can help you prevent major damage. Look for these signs:

• Weak or No Airflow: If air coming from your vents feels weak or nonexistent, ice buildup may be blocking airflow.

• Visible Ice: Ice or frost forming on the refrigerant lines or around the indoor unit is a clear indicator.

• Warm Air from Vents: If your AC is running but blowing warm air, ice may be blocking heat transfer.

• Water Leaks: After the ice melts, you might see water pooling around your indoor unit.

Steps You Can Take to Prevent AC Freeze-Ups

Keeping your AC healthy in West University Place’s climate means paying attention to both airflow and system maintenance. Here’s how you can prevent freeze-ups:

1. Replace Air Filters Regularly

As mentioned earlier, clogged air filters are the top cause of freeze-ups. Regular replacement keeps airflow steady and helps maintain proper coil temperature.

2. Keep Vents Open and Unobstructed

Even if you don’t use certain rooms often, keep at least 80% of your vents open. Furniture, rugs, and curtains should be positioned to avoid blocking airflow.

3. Schedule Annual Maintenance

Professional maintenance helps catch issues like low refrigerant, dirty coils, and blower problems before they cause a freeze-up. The Environmental Protection Agency (EPA) recommends annual servicing for optimal performance and efficiency.

4. Watch for Humidity Issues

If your home feels unusually humid, your AC may not be removing enough moisture, which can be a sign of low refrigerant or coil issues. Addressing this promptly can prevent a freeze-up.

5. Keep Outdoor Unit Clear

Your outdoor condenser needs proper airflow to function correctly. Keep plants, debris, and grass clippings at least two feet away from it to avoid strain on the system.

Why Professional AC Service Matters in West University Place

While some preventive steps are DIY-friendly, many causes of AC freeze-ups—like refrigerant leaks and blower malfunctions—require professional expertise. Here’s why McCann Services is the trusted choice in West University Place:

Local Knowledge

We understand the specific weather patterns, humidity challenges, and airborne pollutants common in this area, allowing us to tailor solutions that last.

Thorough Diagnostics

Our technicians use advanced tools to accurately measure refrigerant levels, inspect coils, and test airflow, ensuring we identify the root cause of any freeze-up.

Preventive Approach

Instead of just fixing the immediate problem, we look for underlying issues that could cause future breakdowns, saving you money and stress over time.

What to Do if Your AC Freezes Up

If you suspect your AC is frozen, follow these steps before calling for service:

1. Turn Off the System – Prevent further damage by shutting down your AC.

2. Switch the Fan to “On” – This allows warm air to circulate over the coils, speeding up the thawing process.

3. Check Your Air Filter – Replace it if dirty, but still schedule professional service to determine the cause.

Remember, even if your AC starts working again after thawing, the underlying issue will return unless it’s properly repaired.

For Emergency AC Repair Services in West University Place, TX, Contact McCann Services Today

A frozen AC in the middle of a Texas heatwave—or even on a warm late-summer day—is more than an inconvenience. It’s a signal that something in your cooling system isn’t working as it should. Ignoring the problem can lead to higher energy bills, costly repairs, and shortened system life.

At McCann Services, we specialize in diagnosing and repairing AC freeze-ups quickly and effectively. Our friendly, professional technicians have the training and local experience to restore your comfort and keep your system running smoothly, no matter how challenging the weather.

Don’t wait for a minor issue to become a major breakdown—reach out to us today for prompt, reliable AC service in West University Place, TX.

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by Sofia

Can Your Pets Affect AC Performance in Houston, TX?

Living in Houston means being no stranger to heat, humidity, and the need for dependable air conditioning. With average summer temperatures hovering in the 90s and humidity levels often reaching above 70%, a functioning AC system isn’t a luxury — it’s a necessity. For many homeowners, especially those with furry family members, the air conditioner is essential for maintaining a safe and comfortable indoor environment. But have you ever considered how your pets might be affecting your AC system?

Whether you have dogs, cats, or other shedding animals, your pets can impact more than just your furniture and floors. They can also play a surprisingly big role in your HVAC system’s performance and efficiency. In this blog, we’ll take a deeper look into how your pets may be influencing your air conditioner, what you can do about it, and why regular HVAC maintenance becomes even more important when you have animals in the home.

How Pet Hair and Dander Affect Airflow

One of the most common ways pets interfere with AC performance is through shedding. Dogs and cats, particularly long-haired breeds, release large amounts of fur and dander into the air. This debris doesn’t just settle on your carpets — it gets pulled into your home’s ventilation system.

Clogged Filters

Air filters are designed to trap dust, pollen, and other airborne particles. When pet hair and dander build up quickly, filters can become clogged much faster than they would in a pet-free household. A clogged filter restricts airflow, making your AC work harder to cool your home. According to the U.S. Department of Energy, replacing a dirty filter with a clean one can lower your air conditioner’s energy consumption by 5% to 15%.

Strain on the Blower Motor

Restricted airflow forces the blower motor in your HVAC system to run longer and harder to circulate air. Over time, this can lead to wear and tear, reduced efficiency, and even early failure of the motor. The more clogged your filters become, the more your system suffers.

Increased Dust and Contaminants in Ductwork

Pet dander is made up of tiny, even microscopic, skin particles. Unlike pet hair, which is visible and relatively easy to vacuum, dander floats through the air and can settle deep into your ductwork. Once there, it can continue to recirculate throughout your home.

Air Quality Impacts

The American Lung Association reports that poor indoor air quality can contribute to asthma, allergies, and other respiratory issues — especially in children and older adults. Pet dander exacerbates these problems. If it accumulates in your ducts, your air conditioner could be redistributing irritants every time it runs.

System Efficiency

Dust and debris buildup within ducts reduce the system’s overall efficiency. Not only does your AC work harder to cool your home, but it also takes longer to do so. This added workload leads to higher energy bills and puts more strain on your system components.

Pets and Thermostat Use

As much as we love our pets, it’s important to acknowledge how our efforts to keep them comfortable can influence our AC usage. Many pet owners set their thermostats lower during the day to make sure their dogs or cats stay cool while they’re at work.

Energy Consumption

Running your AC longer or setting it lower can dramatically increase your energy use. According to the Energy Information Administration (EIA), cooling accounts for about 12% of the average U.S. household’s total energy expenditures — and that number is often higher in hot climates like Houston. Making temperature adjustments specifically for pets can drive up your cooling costs significantly if you're not careful.

Smart Thermostats and Pet Comfort

One way to balance comfort and efficiency is by installing a smart thermostat. These devices can help manage temperature settings throughout the day while factoring in pet-friendly temperature ranges. For example, most dogs and cats are comfortable at temperatures between 75°F and 78°F, which may not require as much energy as cooling your home to the low 70s.

Pet Accidents and Outdoor Units

Outdoor condenser units are a vital part of your AC system, and unfortunately, they are often accessible to pets — particularly dogs. Pet urine, dirt, and other outdoor messes can negatively impact these components.

Corrosion and Damage

Dog urine is acidic and can corrode aluminum fins and copper coils over time. If your dog tends to urinate near the outdoor unit, it may lead to accelerated deterioration of the condenser. Repairs or replacements of these parts can be costly and are often avoidable with proper precautions.

Blocking Airflow

If pets like to lounge or dig near the outdoor unit, they can accidentally block airflow or cause damage to the surrounding area. It’s essential to keep at least two feet of clearance around the condenser and ensure that it remains clean and free of pet-related debris.

The Importance of Regular HVAC Maintenance for Pet Owners

Having pets doesn’t mean your HVAC system is doomed — but it does mean you should be more proactive with maintenance. Here’s what pet owners in Houston should consider to keep their AC running smoothly:

Change Filters Frequently

If the standard recommendation is to change your filter every 90 days, pet owners should consider changing it every 30–60 days, depending on how much their pets shed. This small habit can drastically improve airflow and system performance.

Clean Vents and Registers

Vacuuming vents and returns weekly can help prevent buildup of pet hair. You’d be surprised how much fur can gather in these spots and how quickly it can be drawn back into the system.

Schedule Professional Duct Cleaning

If you’ve had pets in the house for multiple years or if you notice unusual dust levels, it may be time for a professional duct cleaning. The National Air Duct Cleaners Association recommends having your ducts inspected every 3 to 5 years, especially if you have multiple pets.

Annual AC Tune-Ups

Scheduling annual maintenance is key to catching pet-related issues early. A trained technician from McCann Services can inspect your system, clean coils, check the motor, and ensure everything is operating efficiently. They can also recommend specific solutions tailored to pet-owning households.

Pet-Specific HVAC Accessories

Did you know there are HVAC accessories designed specifically with pets in mind? Here are a few upgrades that can help improve comfort and air quality:

HEPA Filters or Electrostatic Filters

Upgrading to a high-efficiency particulate air (HEPA) filter or electrostatic filter can make a big difference in capturing pet dander and other small particles. These filters are particularly helpful for households with allergy concerns.

UV Air Purifiers

Installed inside your HVAC system, UV air purifiers can reduce airborne bacteria, mold spores, and allergens — including those from pets. They add an extra layer of protection for your home’s air quality.

Dehumidifiers

Humidity in Houston can make your indoor air feel stuffy and uncomfortable. High humidity levels can also intensify pet odors. A whole-home dehumidifier can work alongside your AC system to regulate moisture and reduce that “wet dog” smell.

HVAC Best Practices for Pet Owners

Here are a few practical tips to help Houston pet owners extend the life of their AC system:

• Brush and bathe pets regularly. Less shedding means less hair and dander entering the HVAC system.

• Keep pet beds away from vents. This helps maintain airflow and prevents fur buildup in key areas.

• Use pet gates if necessary. If your pets are curious about the indoor or outdoor units, consider using a barrier to prevent them from getting too close.

• Pay attention to smells and sounds. If you start noticing unusual odors or noises when your AC runs, it may be a sign of pet-related damage or buildup.

For AC Services in Houston, TX, Contact McCann Services Today

Owning pets brings a lot of joy — and a few extra responsibilities when it comes to caring for your HVAC system. From shedding fur to thermostat settings, your furry companions have a greater impact on your air conditioner than you might think. But with a few adjustments and regular maintenance, you can ensure your system stays efficient, your air stays clean, and your pets stay comfortable all year round.

At McCann Services, we specialize in helping pet-loving households across Houston keep their HVAC systems in peak condition. Whether you need a seasonal tune-up, duct cleaning, or just some helpful advice on managing pet-related HVAC concerns, our team is here to help.

Trust us to keep your home cool, clean, and comfortable — for both you and your four-legged friends. Reach out today to schedule your next AC service with McCann Services.

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by Sofia

Why June Is the Time to Check Your Refrigerant Levels Before the Shortage Hits Hard in Bellaire, TX

Living in Bellaire, TX means you’re no stranger to long stretches of heat and humidity. When it’s hot outside, your air conditioning system isn’t a luxury—it’s a necessity. But what many homeowners don’t realize is that one of the most essential components of your AC system—refrigerant—may be in short supply just when you need it most.

Whether your home is older with an R-22 system or more modern using R-410A or the newer R-454B refrigerants, you could be affected by changing regulations and nationwide shortages. June is the last window to act before demand spikes, prices rise, and supplies dwindle.

Let’s break down why checking your refrigerant levels now is not only smart—it’s essential.

What Is Refrigerant, and Why Does It Matter?

Refrigerant is the substance that cycles through your AC system, absorbing heat from inside your home and releasing it outside. Without it, your AC simply can’t cool your home. It doesn’t “get used up” like gas in a car, but it can leak, and even a small leak can significantly reduce efficiency and cooling performance.

Low refrigerant levels lead to:

• Longer run times

• Higher utility bills

• Poor air circulation

• Risk of system overheating

• Total system breakdown

According to the U.S. Department of Energy, refrigerant leaks can reduce your system’s efficiency by up to 20%—and over time, that adds up to serious money.

Why the 2025 Refrigerant Shortage Is a Real Concern

The HVAC industry is in the middle of a major refrigerant transition. The Environmental Protection Agency (EPA) has mandated the phase-down of hydrofluorocarbon (HFC) refrigerants like R-410A due to their high global warming potential (GWP). Starting in 2025, many systems will switch to newer, low-GWP alternatives such as R-454B.

But here’s the issue: as manufacturers prepare for this switch, production of R-410A is being scaled back, and prices are rising as demand outpaces supply.

Reports from industry insiders show:

• R-410A stockpiles are projected to drop by over 30% by the end of summer 2025.

• R-454B, while cleaner, is not yet widely available, and many systems are not compatible with it.

• Contractors and suppliers are already warning of delays, backorders, and increased service times.

What this means for Bellaire homeowners is clear: waiting until July or August to check your refrigerant levels could leave you at the back of the line during the hottest time of the year.

Signs Your AC Might Be Low on Refrigerant

You don’t have to be an HVAC expert to recognize when something’s off with your system. If you notice any of these signs, you could be running low on refrigerant:

• Your home isn’t cooling as effectively as it used to, even with the thermostat set low.

• Warm air blows out of your vents even when the AC is running.

• The system runs constantly without achieving the set temperature.

• Ice forms on the refrigerant lines or evaporator coil.

• You hear hissing sounds, which can indicate a refrigerant leak.

If you’ve noticed any of these issues, don’t wait—your system might be under strain, and that strain only increases the longer the refrigerant remains low.

Why June Is the Smart Time to Act in Bellaire

June sits right on the threshold of peak summer temperatures in Bellaire. Waiting even a few more weeks could mean:

• Longer wait times for appointments as HVAC contractors book up.

• Higher refrigerant costs as demand spikes and supply thins out.

• System failures during heat waves when your AC is working its hardest.

By scheduling a refrigerant level check and system inspection now, you avoid the last-minute scramble—and get ahead of the crowd. It’s proactive, not reactive.

What Happens During a Refrigerant Check?

A refrigerant level check is part of a professional AC tune-up. When a technician from McCann Services comes to your home, here’s what they’ll do:

1. Inspect the system for leaks – Using electronic detectors or dye tests, the technician will check for any signs of refrigerant escaping.

2. Measure refrigerant pressure – They’ll ensure the system is charged to manufacturer specifications.

3. Evaluate system performance – Technicians assess airflow, temperature differentials, and overall cooling performance.

4. Repair any minor leaks or damages – If a leak is found, repairs can often be made during the same visit.

5. Recharge refrigerant if necessary – Only EPA-certified professionals can legally handle refrigerant. If your system needs a recharge, we’ll top it off safely and correctly.

Regular maintenance—including refrigerant checks—can extend your AC’s lifespan by up to 40%, according to ENERGY STAR®.

What If My System Uses R-22 or R-410A?

If your system still uses R-22, you’re probably already aware that it was phased out in 2020. Supplies are limited to recycled or recovered refrigerant, and it’s increasingly expensive. If your R-22 system is having refrigerant issues, this might be the time to discuss upgrading your equipment.

If your system uses R-410A, you’re in a better position for now—but not immune to the effects of the 2025 transition. You can still get refrigerant this summer, but availability might become tighter later in the season.

Starting in 2025, new AC systems will shift to R-454B, which is not backward-compatible. So if your system is more than 10 years old, you might consider scheduling a consultation with McCann Services to discuss your options ahead of the switch.

Can I Just Top Off the Refrigerant Myself?

Short answer? No. Refrigerant isn’t like windshield washer fluid—it’s a chemical compound regulated by the EPA. Only licensed professionals are permitted to handle, recharge, or dispose of it.

DIY refrigerant recharges:

• Violate federal regulations

• Risk damaging your system

• May result in incorrect levels, which can harm performance and void your warranty

• Can be hazardous to your health if mishandled

Professional AC technicians don’t just “top it off”—they check for leaks, verify correct pressure, and make sure the system is running safely and efficiently.

Preventative Maintenance = Peace of Mind

Refrigerant checks aren’t just about solving problems—they’re about preventing them before they happen. In the Texas heat, a broken AC is more than an inconvenience. It can impact your health, safety, and even your home’s structure (especially if excess humidity leads to mold or moisture damage).

According to the U.S. Energy Information Administration, Texas households use more electricity for air conditioning than any other state—accounting for roughly 18% of their total energy consumption. Keeping your system efficient doesn’t just keep you cool—it saves you money.

Why Choose McCann Services?

At McCann Services, we understand how important your home’s comfort is—especially in the heat of Bellaire. Our technicians are:

• EPA-certified

• Experienced with all major refrigerants, including R-22, R-410A, and R-454B

• Prompt and professional, offering reliable service you can count on

• Equipped with the latest tools and training to handle everything from minor recharges to full system upgrades

We believe in transparent service, clear communication, and helping our customers make smart, informed decisions.

For AC Services in Bellaire, TX, Contact McCann Services Today

Don’t let refrigerant shortages catch you off guard this summer. By scheduling a check in June, you give yourself time, flexibility, and peace of mind. Whether your system needs a minor recharge or it’s time to consider an upgrade before the 2025 transition, McCann Services is here to help.

Call us today to schedule your refrigerant inspection, tune-up, or AC consultation. Let’s keep your home cool, your energy bills low, and your family comfortable—all summer long.

Reach out now before the heat really hits.

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by Sofia

Why Upgrading Your HVAC System Now Can Lower Your Energy Bills This Summer in West University Place, TX

As the warm Texas weather arrives, residents of West University Place are bracing themselves for the heat. Summers in this area can get scorching, with temperatures regularly reaching into the high 90s or even higher. For homeowners in West University Place, TX, keeping the home cool and comfortable during these intense heatwaves is a top priority, but it often comes with a hefty price tag in the form of rising energy bills.

If your current air conditioning system is struggling to keep up or showing signs of wear and tear, it might be time to consider upgrading. While replacing your AC system may seem like a significant investment, doing so now could actually help lower your energy bills in the long run. In this blog post, we’ll explore the reasons why upgrading your AC system before summer hits can save you money and improve your home's comfort.

The Rising Costs of Energy Bills

One of the primary concerns during the hot summer months is how high the energy bill will climb. According to the U.S. Energy Information Administration (EIA), air conditioning accounts for approximately 12% of total energy use in the average American home. In Texas, where summers are long and intense, that percentage can be much higher. As temperatures soar, homeowners rely heavily on their air conditioning to maintain indoor comfort, which leads to an increase in energy consumption.

Older or inefficient AC units can contribute to a dramatic rise in energy bills. These systems often struggle to cool the home efficiently, leading to longer cooling cycles and excessive energy use. But how can upgrading your AC system now help reduce these costs? Let’s break it down.

How Newer AC Units Save Energy

1. Increased Energy Efficiency

One of the most compelling reasons to upgrade your air conditioning system is the energy efficiency that newer models offer. Over time, technological advancements have led to the development of air conditioners that are much more efficient than older models. Modern systems often feature energy-saving components, such as variable-speed compressors and enhanced refrigerant technology, that allow them to cool your home more effectively while using less energy.

In fact, according to the U.S. Department of Energy, the latest air conditioning units are up to 50% more efficient than models from 10 years ago. This means that by upgrading to a newer, more efficient system, you could see a significant reduction in your energy consumption and, as a result, your utility bills.

2. SEER Ratings: What They Mean for You

When choosing a new air conditioning system, one of the most important factors to consider is the SEER (Seasonal Energy Efficiency Ratio) rating. SEER measures how efficiently an air conditioner operates over an entire cooling season. The higher the SEER rating, the more efficient the unit is.

For example, older systems typically have a SEER rating of 8-10, while new models can reach ratings of 14-21 or higher. Upgrading to a unit with a higher SEER rating will not only keep your home cooler but also reduce the amount of energy required to do so. In West University Place, where air conditioning is essential for comfort, a higher SEER rating could mean substantial savings over time.

The Benefits of Upgrading Your AC System Now

Now that we’ve discussed how newer units are more energy-efficient, let’s dive deeper into why upgrading your AC system now—before the summer heat intensifies—could be the smartest decision for your home and budget.

1. Avoid Breakdowns During Peak Summer Heat

As temperatures rise, your air conditioning unit will be working overtime to keep your home cool. If your current system is already struggling or showing signs of inefficiency, it could break down when you need it the most. The peak summer months can be particularly challenging for older units, which are more prone to failures due to constant wear and tear.

Upgrading your system before the heat becomes unbearable gives you peace of mind knowing that your home will stay comfortable without the risk of unexpected breakdowns.

2. Take Advantage of Rebates and Incentives

Upgrading to a new, energy-efficient air conditioning system often comes with financial incentives, such as utility rebates or federal tax credits. Many utility companies in Texas offer rebates for homeowners who install energy-efficient HVAC systems, which can help offset the initial cost of installation. Additionally, the federal government periodically offers tax incentives for energy-efficient home upgrades.

By upgrading your AC system now, you can take advantage of these incentives and reduce the upfront cost, making the investment more affordable. However, these rebates and incentives are often only available for a limited time, so it’s important to act sooner rather than later.

3. Improved Comfort and Indoor Air Quality

Upgrading your AC system doesn’t just save you money—it also improves the overall comfort of your home. Newer systems come with advanced features, such as better humidity control, more consistent airflow, and quieter operation. These upgrades can significantly enhance your indoor environment, making it more comfortable for your family during the summer.

Additionally, new systems often include advanced air filtration features that can help improve indoor air quality. If anyone in your household suffers from allergies or respiratory issues, upgrading your AC could lead to cleaner, healthier air.

The Process of Upgrading Your AC System

If you’re convinced that upgrading your air conditioning system is the right choice, the next step is understanding the process and what to expect.

1. Assessment of Your Home’s Cooling Needs

Before recommending a specific system, an HVAC professional will assess your home’s size, insulation, layout, and cooling requirements. This ensures that the new AC unit is the right fit for your home, maximizing efficiency and comfort. A system that’s too small will struggle to cool your home, while a system that’s too large will waste energy and increase your costs.

2. Choosing the Right System

Once the assessment is complete, the next step is selecting the best air conditioning system for your needs. An experienced HVAC technician will guide you through the different types of systems available, from traditional central AC units to ductless mini-split systems, and help you select the one that’s right for your home.

3. Professional Installation

Proper installation is key to ensuring that your new AC system operates efficiently and effectively. A licensed HVAC contractor will handle the installation process, making sure that the system is correctly sized, placed, and connected to your home’s ductwork (if applicable). A professional installation also ensures that your warranty remains valid and that the system is optimized for energy efficiency.

4. Routine Maintenance

Once your new system is installed, regular maintenance is essential to keep it running efficiently. Scheduling routine check-ups with an HVAC professional ensures that your system operates at peak performance, which can extend its lifespan and help you avoid costly repairs in the future.

For AC Services in West University Place, TX, Contact McCann Services Today

Upgrading your air conditioning system is an investment that will not only lower your energy bills but also improve the overall comfort and efficiency of your home. If you’re ready to take the next step and upgrade your AC system, McCann Services is here to help.

At McCann Services, we specialize in HVAC solutions that cater to the unique needs of West University Place residents. Our team of experienced professionals will guide you through the process, from selecting the right system to ensuring expert installation and ongoing maintenance.

Don’t wait until the heat of summer arrives—upgrade your AC system now and start saving on your energy bills. Contact McCann Services today to schedule your consultation and take the first step toward a cooler, more energy-efficient home.

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by Sofia

What To Expect From A Professional Indoor Air Quality Assessment in Houston, TX

Indoor air quality (IAQ) plays a crucial role in the overall comfort and well-being of your home or office. In Houston, where the climate can be hot, humid, and sometimes unpredictable, ensuring that the air inside your space is clean and healthy is more important than ever. Whether you’ve noticed symptoms like sneezing, coughing, or irritated eyes, or you're simply interested in taking proactive steps to maintain a comfortable indoor environment, a professional indoor air quality assessment can provide you with peace of mind and valuable insights.

In this blog post, we’ll explore what you can expect from a professional indoor air quality assessment in Houston, TX. From the factors that influence air quality in this region to the steps involved in a thorough IAQ evaluation, we’ll guide you through the process, highlight the benefits, and offer expert advice on how to improve the air inside your home or business.

Why Indoor Air Quality Matters

Before diving into the specifics of an IAQ assessment, it’s helpful to understand why indoor air quality is so important. Poor IAQ can lead to a variety of health problems, particularly for individuals with allergies, asthma, or other respiratory conditions. According to the U.S. Environmental Protection Agency (EPA), indoor air can be up to five times more polluted than outdoor air. In Houston, the issue can be compounded by the city's hot, humid climate, which can encourage the growth of mold and mildew and increase the concentration of airborne allergens.

Common indoor air pollutants include:

• Dust and Dirt: Small particles that accumulate from daily activities, particularly in dusty or high-traffic areas.

• Mold and Mildew: Often caused by excess moisture in the air, which is common in humid climates like Houston's.

• Pet Dander: For homes with pets, dander can become a significant allergen in the air.

• Volatile Organic Compounds (VOCs): Chemicals that can be released from cleaning products, paints, and furniture.

• Radon: A naturally occurring gas that can enter homes through cracks in the foundation and pose serious health risks.

An indoor air quality assessment can identify the sources of these pollutants, measure their concentrations, and provide actionable recommendations for improving air quality.

The Importance of Professional IAQ Assessments in Houston

In Houston, where the weather can be a challenge for maintaining indoor comfort, it's especially important to rely on professionals for air quality assessments. Humidity levels often exceed 70% during the summer months, which can cause moisture-related problems in buildings. Additionally, Houston's dense urban environment can mean that pollutants from traffic, industrial sites, and other external sources can find their way indoors.

A professional IAQ assessment offers several key benefits:

1. Accurate Diagnosis: DIY tests may not provide the detailed information required to understand the root cause of indoor air quality issues. A professional assessment uses specialized equipment to measure air quality precisely.

2. Comprehensive Report: A professional service will offer a detailed report with insights on the air quality in various parts of your home or building, allowing you to take the right action.

3. Health and Comfort: By identifying pollutants and recommending solutions, a professional IAQ assessment can help alleviate discomfort and improve overall health for your family, employees, or tenants.

What to Expect From an Indoor Air Quality Assessment

When you schedule an indoor air quality assessment with a reputable provider like McCann Services in Houston, you can expect a thorough, systematic process. Here’s a breakdown of the steps typically involved:

1. Initial Consultation and Evaluation

The first step in the IAQ assessment process is a consultation with the professional team. They will ask you questions about your home or building, including:

• Any health concerns (e.g., allergies, asthma, respiratory issues)

• The presence of pets or any known sources of allergens

• Existing air filtration systems or HVAC equipment

• Areas of the home or building that are most frequently occupied

This consultation helps the professional team tailor the assessment to your specific needs and concerns.

2. Visual Inspection

Next, the technician will perform a visual inspection of your space. During this phase, they’ll check for potential sources of indoor air pollution, such as:

• Damp areas where mold or mildew might be growing

• Air vents and ducts for dust, debris, or potential blockages

• HVAC system condition, including filters and coils

• Moisture levels in areas like bathrooms and basements

The visual inspection helps identify obvious issues that could be impacting indoor air quality, but it’s just one part of the process.

3. Air Sampling and Testing

After the initial inspection, the technician will take air samples to test for various pollutants. This step may include testing for:

• Particulate Matter (PM): These tiny particles can be from dust, pollen, or pet dander.

• Volatile Organic Compounds (VOCs): These gases can come from paints, cleaners, or other household products.

• Mold Spores: If there’s an issue with excess moisture, mold spores could be present in the air.

• Carbon Dioxide (CO2): High levels of CO2 can indicate poor ventilation or airflow issues.

• Carbon Monoxide (CO): A dangerous gas that can come from appliances like gas stoves or water heaters, especially if ventilation is inadequate.

• Radon: A naturally occurring gas that’s common in some areas and may need to be mitigated if levels are elevated.

Testing may also include checking the humidity levels in your home or business, as high humidity can contribute to mold growth and poor air quality. The air samples are typically taken from different rooms and HVAC vents to provide a complete picture.

4. Detailed Report and Recommendations

Once the tests are complete, the technician will compile a detailed report with the results. This report will include:

• Levels of pollutants found in your home or building

• Analysis of any issues that could be contributing to poor air quality (e.g., mold, VOCs, inadequate ventilation)

• Recommendations for improving IAQ, which may include actions like:

  • Upgrading or cleaning your HVAC system

  • Installing air purifiers or air cleaners

  • Sealing leaks to prevent pollutants from entering

  • Adjusting humidity levels with a dehumidifier or humidifier

  • Replacing filters in your HVAC system

The report will also suggest the best course of action based on the severity of any issues identified.

5. Implementation of Solutions

After the assessment, McCann Services can assist with implementing the recommended solutions. Whether you need to clean your HVAC system, install a new filtration system, or address mold growth, professionals will handle the task efficiently and with minimal disruption to your daily life.

Common Indoor Air Quality Issues in Houston Homes

Given the unique climate of Houston, several common IAQ issues tend to arise in local homes and businesses:

• Mold and Mildew: Houston’s humid climate makes homes susceptible to mold growth, which can seriously affect air quality and health. Mold spores are often invisible, making testing a critical step.

• Dust and Allergens: Dust mites, pet dander, and pollen are major allergens that can trigger respiratory problems. Proper filtration and regular cleaning are essential for managing these issues.

• Excessive Humidity: High humidity levels can make indoor spaces uncomfortable and promote mold growth. Using a dehumidifier or improving ventilation can help mitigate these issues.

• Poor Ventilation: Homes with poor airflow may have stale air or higher concentrations of CO2, which can negatively impact occupants' health and comfort. An HVAC system review can help improve air circulation.

How to Improve Your Indoor Air Quality

After the IAQ assessment, there are several steps you can take to improve the air quality in your Houston home or business:

• Invest in a High-Quality Air Filter: Ensure your HVAC system is equipped with a high-efficiency particulate air (HEPA) filter to trap airborne allergens and dust.

• Use a Dehumidifier: In Houston’s humid climate, a dehumidifier can help reduce excess moisture and prevent mold growth.

• Ensure Proper Ventilation: Make sure your home or office is well-ventilated to allow fresh air to circulate and avoid the buildup of stale air.

• Consider an Air Purifier: For homes with pets, smokers, or allergy sufferers, an air purifier can help remove particles and pollutants from the air.

• Regular HVAC Maintenance: Regular inspections, cleaning, and filter changes ensure that your HVAC system operates efficiently and doesn’t contribute to poor indoor air quality.

For Indoor Air Quality Services in Houston, TX, Contact McCann Services Today

Maintaining good indoor air quality is essential for your health, comfort, and well-being. With the right professional indoor air quality assessment, you can identify potential issues in your home or business and take steps to improve your environment. At McCann Services, we specialize in providing thorough IAQ assessments and effective solutions tailored to the unique needs of Houston residents.

If you're ready to take control of your indoor air quality, contact McCann Services today. Our experienced team is ready to help you breathe easier and enjoy a healthier, more comfortable indoor environment. Reach out today to schedule your indoor air quality assessment!

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by Sofia

DIY AC Inspection: What To Do Before the Summer Heat Hits Bellaire, TX

As the warm weather begins to settle into Bellaire, TX, residents are likely already thinking about the importance of a well-functioning air conditioning (AC) system. With the Texas heat, AC units become more than just a luxury—they’re a necessity. While it’s always best to rely on professionals for regular maintenance, there are a few simple DIY inspection tasks you can tackle yourself before the heat really hits. This blog will guide you through the essential steps to ensure your air conditioner is running smoothly, helping you avoid costly repairs and keeping your home cool all summer long.

Understanding the Importance of AC Inspections

Before diving into the specifics of a DIY AC inspection, it's important to understand why this step is so crucial. An AC system that is improperly maintained can lead to several issues: decreased energy efficiency, reduced cooling performance, and even total system failure. The extreme heat in Bellaire, TX, can put a strain on your AC unit, making regular inspections even more important.

An annual inspection or servicing of your AC unit allows you to catch small issues early, reducing the risk of costly breakdowns when you need it most. In fact, regular maintenance can prolong the life of your system, saving you money in the long run.

While it’s always recommended to hire a professional HVAC technician for a full inspection, performing some simple DIY checks before the summer rush can give you peace of mind knowing your AC is in good working condition.

Step 1: Turn Off the Power to the AC Unit

Safety should always come first when working on any appliance, and your air conditioner is no exception. Before you start inspecting your system, make sure to turn off the power. Most AC units have a power switch near the outdoor unit or in your circuit breaker panel. It’s critical to disconnect the power supply to avoid any electrical hazards.

Step 2: Clean or Replace the Air Filters

Air filters are one of the most essential components in keeping your AC unit running efficiently. Clogged or dirty filters can restrict airflow, causing your system to overheat and work harder, which reduces its efficiency and leads to higher energy bills. In fact, a clogged filter can reduce airflow by 15 to 20 percent, causing your AC to consume more energy.

To check your air filter, remove the cover and slide it out of the unit. If the filter appears dirty or clogged with dust and debris, it’s time to clean or replace it. Many filters are washable, but if yours is disposable, replacing it with a new one is often the best option. Air filters should typically be replaced every 1-3 months, depending on usage.

Tip: Be sure to check the filter’s MERV (Minimum Efficiency Reporting Value) rating. A higher MERV rating means the filter will trap smaller particles. If you live in an area with a lot of dust or pollen, a higher-rated filter may be worth considering.

Step 3: Inspect the Coils for Dirt and Damage

Both the evaporator and condenser coils in your air conditioner are responsible for transferring heat. If these coils are dirty, the heat exchange process will be less effective, causing your AC to work harder. Over time, this can lead to system inefficiency or even breakdowns.

To inspect the coils, you’ll need to access both the evaporator coil (located inside the air handler) and the condenser coil (located in the outdoor unit). The evaporator coil can become dirty over time, especially if your filter isn’t working effectively. You can use a soft brush or a vacuum with a brush attachment to gently clean the coil surface. Make sure not to damage the fins.

The condenser coil is more exposed to outdoor elements, so it’s likely to accumulate dirt, leaves, and other debris. Use a hose to gently rinse the coil, being careful not to bend or damage the fins. If the coils appear heavily damaged or clogged, it might be time to call a professional for a more thorough cleaning.

Step 4: Check the Condensate Drain

A vital part of your AC system is the condensate drain. This component helps remove excess moisture from the air by draining away the water collected during the cooling process. Over time, algae, mold, and other debris can clog the drain, leading to water damage or even system failure.

To inspect the condensate drain, look for the drain line near the outdoor unit or the indoor air handler. If the line is clogged, it could result in water backing up into the unit. You can clear a clog by gently pushing a wet/dry vacuum onto the end of the drain line or using a small plumber’s snake. For regular maintenance, you can flush the drain line with a mixture of bleach and water to prevent algae buildup.

Tip: A clogged condensate drain can also cause your AC unit to shut down as a safety measure. Keeping this line clear ensures the unit operates without interruption.

Step 5: Inspect the Refrigerant Levels

Refrigerant is the lifeblood of your air conditioning system—it absorbs heat from your home and expels it outside. Low refrigerant levels can cause your AC to blow warm air, freeze up, or completely stop cooling. If your unit is low on refrigerant, there’s likely a leak that needs professional attention.

While checking refrigerant levels isn’t always a DIY task (as it requires specialized tools), you can look for signs of refrigerant problems. For instance, if your AC is blowing warm air or freezing up, these are often indicators of low refrigerant. In these cases, it's best to contact a professional HVAC technician to inspect and refill your refrigerant.

Tip: Never attempt to add refrigerant to your system yourself unless you are licensed and certified to handle refrigerants. A professional technician will have the necessary tools and expertise to safely add refrigerant and fix any leaks.

Step 6: Examine the Ductwork for Leaks or Damage

Leaky ducts can drastically reduce your air conditioner's efficiency. Even small leaks can lead to cool air being lost before it reaches the rooms of your home, forcing your AC to work harder and consume more energy. To check for leaks, visually inspect the ductwork in your attic, basement, and crawl spaces. Look for any holes, cracks, or disconnections.

To seal small holes or leaks, use mastic sealant or aluminum foil tape (not regular duct tape, as it won’t hold up over time). If the damage is more severe, you may need to call a professional to replace or repair the ducts.

Tip: Sealing leaks in your ductwork can improve your system’s efficiency by as much as 20%, which can result in significant savings on your energy bills.

Step 7: Test the Thermostat

Your thermostat is the control center of your AC system. If it’s not functioning properly, your AC unit may not operate correctly, resulting in inconsistent temperatures or higher energy costs. Start by checking that your thermostat is set to the cooling mode and that the temperature is set lower than the current indoor temperature.

To ensure your thermostat is accurately reading the temperature, you can use a separate thermometer to compare the readings. If you notice a discrepancy of more than a few degrees, you may need to recalibrate or replace your thermostat.

Additionally, if you have a programmable thermostat, take the time to adjust the settings for energy savings. Smart thermostats are an excellent option if you want more control over your system and energy usage.

Step 8: Clean the Outdoor Unit

The outdoor condenser unit is exposed to the elements and can accumulate dirt, leaves, grass, and other debris. When debris obstructs airflow to the unit, it can lead to overheating and inefficiency. Regular cleaning of the outdoor unit helps maintain proper airflow and optimal cooling performance.

To clean the outdoor unit, first, remove any visible debris from around the unit. Then, use a garden hose to rinse the condenser coils, taking care not to bend or damage the fins. Avoid using a pressure washer, as it can cause damage to the coils. Once cleaned, trim any overgrown bushes or plants near the unit to ensure that airflow is unobstructed.

Tip: A clear, debris-free space around your outdoor unit ensures that your AC is working at its full capacity, cooling your home efficiently.

For AC Services in Bellaire, TX, Contact McCann Services Today

While performing a DIY inspection is a great way to ensure your AC is ready for the heat, certain tasks—such as refrigerant checks, major repairs, or full system inspections—require professional expertise. At McCann Services, our team of HVAC experts is equipped with the knowledge and tools to ensure your system runs efficiently and smoothly. Whether you need a full inspection, system repairs, or a new installation, we’ve got you covered.

Don’t wait until the heat is unbearable—schedule an inspection today and ensure your home stays comfortable all year long. For reliable AC services in Bellaire, TX, contact McCann Services today, and let us take care of your HVAC needs.

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by Sofia

What New HVAC Installations Will Look Like After the 2025 Refrigerant Shift in West University Place, TX

West University Place, TX, is known for its warm, humid climate, making a reliable air conditioning system essential for year-round comfort. With high temperatures often lingering in the upper 80s and humidity levels that can make even mild days feel stifling, homeowners in the area rely heavily on their HVAC systems.

If you're considering a new air conditioning installation, you may have heard about the major refrigerant changes that took effect in 2025. These regulations have significantly impacted how new HVAC systems are designed, installed, and maintained. But what does this mean for you as a homeowner in West University Place? Let’s take a closer look at what you can expect from new HVAC installations in this new era of environmentally friendly cooling.

Why the 2025 Refrigerant Shift Matters

The HVAC industry has undergone a major transformation with the phase-out of hydrofluorocarbon (HFC) refrigerants like R-410A, which were found to contribute to global warming. This change was driven by the Environmental Protection Agency’s (EPA) regulations under the American Innovation and Manufacturing (AIM) Act, which aims to reduce HFC production and use by 85% over the next 15 years.

For homeowners, this means that older refrigerants are being phased out, and new HVAC systems are now required to use low-global warming potential (GWP) refrigerants such as R-454B and R-32. These new refrigerants are not only more environmentally friendly but also improve the efficiency of air conditioning units, leading to potential energy savings.

What New HVAC Systems Look Like in 2025 and Beyond

1. New Refrigerants for Greater Efficiency

One of the biggest differences in modern HVAC systems is the type of refrigerant they use. The most common replacements for R-410A in newly installed air conditioners include:

• R-454B: With a GWP of 466, this refrigerant is significantly better for the environment than R-410A, which had a GWP of 2,088. It is also more energy-efficient, meaning homeowners can expect lower electricity bills.
• R-32: Another alternative with a GWP of 675, R-32 provides excellent cooling performance while reducing environmental impact.

While these refrigerants offer similar cooling capabilities to their predecessors, they require new system designs that accommodate slightly different pressure levels and operating characteristics. This means older systems cannot simply be retrofitted with the new refrigerants—entirely new units are required.

2. Improved Energy Efficiency Standards

With the refrigerant transition, new HVAC units must also meet stricter energy efficiency standards. The Department of Energy (DOE) increased the minimum Seasonal Energy Efficiency Ratio (SEER) requirements in 2023, and newer systems installed in 2025 and beyond are expected to be even more efficient.

Here’s what homeowners can expect:

• Higher SEER Ratings: The minimum SEER rating for air conditioners in the southern U.S. is now 15 SEER, meaning all new systems provide better cooling with less energy consumption.
• SEER2 Compliance: A new rating system called SEER2 has been implemented, which accounts for real-world operating conditions. If you’re shopping for a new HVAC system, SEER2 ratings will be the new benchmark for efficiency.
• Lower Energy Bills: Due to the improved efficiency of new units, homeowners can see a 10-30% reduction in their cooling costs compared to older systems.

3. New Equipment and Installation Requirements

Because of the shift in refrigerants and efficiency standards, HVAC manufacturers have redesigned equipment to be compatible with the new refrigerants. Here’s what that means for new installations:

• Different Compressor and Coil Designs: Since R-454B and R-32 operate at different pressures than R-410A, new systems require specially designed compressors and evaporator coils.
• Enhanced Safety Measures: Some of the new refrigerants are mildly flammable, which means HVAC technicians must follow new installation and servicing procedures to ensure safe operation.
• Upgraded Refrigerant Lines: When replacing an older AC system, technicians may need to replace or modify refrigerant lines to accommodate the new refrigerant type.

4. Smart Technology Integration

With HVAC systems becoming more advanced, modern air conditioners now feature:

• Wi-Fi-enabled thermostats that allow homeowners to control cooling remotely via smartphones.
• Smart sensors that adjust temperature and humidity automatically for optimal comfort and efficiency.
• Variable-speed compressors that adjust cooling output based on demand, reducing energy waste and improving comfort.

These features not only make it easier to manage your indoor climate but also contribute to further energy savings over time.

What Homeowners in West University Place, TX Should Consider

1. Should You Replace Your HVAC System Now?

If your current air conditioner is over 10-15 years old, now is an excellent time to invest in a new, more efficient system. While older R-410A units can still be serviced, the availability of replacement parts and refrigerant will become more limited and expensive over time. Upgrading now ensures that you have a system built to last under the new regulations.

2. How Much Will a New Installation Cost?

The cost of new HVAC installations has increased slightly due to the transition to new refrigerants and higher-efficiency equipment. However, the long-term savings on energy bills and potential rebates or tax incentives can help offset the initial investment.

Homeowners may qualify for:

• Federal tax credits for installing energy-efficient HVAC systems.
• Utility company rebates for upgrading to high-SEER or ENERGY STAR-certified systems.

3. Who Can Install These New Systems?

Because of the new refrigerants and equipment requirements, it’s more important than ever to hire a certified HVAC professional. Licensed technicians are trained to handle the new refrigerants safely and ensure your system is installed according to manufacturer specifications.

The Future of HVAC in West University Place, TX

The HVAC industry is evolving to meet stricter environmental standards while providing better energy efficiency and performance. For homeowners in West University Place, these changes mean:

• Lower carbon footprint with eco-friendly refrigerants.
• Reduced energy bills thanks to higher SEER-rated systems.
• Smarter home comfort with advanced technology integration.

While change can sometimes feel overwhelming, these advancements ultimately lead to better cooling, lower costs, and a more sustainable future for both homeowners and the environment.

For HVAC Services in West University Place, TX, Contact McCann Services Today

If you’re considering a new air conditioning installation or have questions about how the 2025 refrigerant shift affects your home, McCann Services is here to help. Our experienced team of HVAC professionals is trained in the latest refrigerant technologies and can guide you in selecting the best system for your home’s needs.

With a focus on quality, efficiency, and customer satisfaction, McCann Services ensures that your HVAC installation is done right the first time. Contact us today to schedule a consultation and take the first step toward a more efficient, eco-friendly cooling system.

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by Sofia