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Tag: San Antonio HVAC repair

  • Why Is My AC Unit Not Cooling? 5 Common Causes

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    AC Unit Not Cooling San Antonio? 5 Common Causes

    If you’ve noticed your AC unit not cooling San Antonio home, you’re not alone. Every summer, homeowners across the city deal with warm air blowing when they expect cold relief. There are several common reasons this happens, and knowing the basics can save you time, money, and stress. Let’s break down the top five causes.

    1. Dirty Air Filter

    The first thing to check is your air filter. A clogged filter restricts airflow and makes your AC system work harder. This can lead to poor cooling and higher energy bills. Replace or clean your filter every 30–60 days, especially during the peak summer months in Texas.

    2. Frozen Evaporator Coil

    If your AC unit is freezing up, the evaporator coil may be covered in ice. This often happens when airflow is blocked or when refrigerant is low. If you see ice buildup, turn off your system and let it thaw before restarting.

    3. Low Refrigerant Levels

    Refrigerant, such as R-410A, is what makes cooling possible. If your system is low, it usually means there’s a leak. Running your AC without enough refrigerant can damage the compressor. Only a licensed HVAC technician should handle recharging and leak repairs.

    4. Thermostat Issues

    Sometimes the problem isn’t with the AC unit at all—it’s the thermostat. Dead batteries, poor calibration, or wiring issues can stop your system from cooling properly. If your thermostat doesn’t seem to respond, try replacing the batteries or upgrading to a smart thermostat.

    5. Outdoor Condenser Problems

    Your outdoor condenser needs proper airflow to function. Dirt, leaves, or a broken fan motor can all cause cooling issues. Keeping the area clear and scheduling routine maintenance helps prevent these problems.

    Why Your AC Unit Not Cooling San Antonio Homes Matters

    A AC unit not cooling San Antonio homes isn’t just uncomfortable—it can also lead to higher bills and costly breakdowns if ignored. Simple checks like replacing filters or clearing debris can help, but persistent issues mean it’s time to call in a professional.

    Learn more about local AC services and maintenance tips on our San Antonio HVAC page.

    Need More Than HVAC?

    We also list trusted pros for Plumbing and Electrical in San Antonio.

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  • Trusted Independent HVAC Contractors in Central San Antonio – Affordable & Local Experts

    Welcome to Central San Antonio HVAC Services

    If you’re searching for Trusted Independent HVAC Contractors in Central San Antonio, you’re in the right place., you know how critical it is to keep your air conditioning system in top shape—especially during the brutal summer heat. Whether you’re in Downtown, near the River Walk, or just outside the historic King William District, reliable HVAC services are a must.
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    Independent HVAC Contractors – Coming Soon

    A Little Local History

    Central San Antonio is home to a wide range of properties, from historic homes in King William to new apartments near the Pearl. These independent contractors understand the unique HVAC needs in this part of the city, from older systems that need careful repair to modern setups that demand high efficiency. Our goal is to connect homeowners with trustworthy pros who deliver honest, affordable work.

    As these older properties age, AC systems can struggle, and newer developments often need energy-efficient upgrades. That’s where our trusted independent HVAC pros come in.

    🔧 Independent HVAC Contractors – Coming Soon

    We’re building a dedicated section for independent HVAC technicians in Central San Antonio.

    These are locally licensed and insured small business owners who often provide:

    Lower pricing than big-name companies
    Personalized service and honest diagnostics
    Strong reputations built through word of mouth
    Fast, flexible scheduling—especially during peak season

    If you’re a homeowner who prefers supporting local tradesmen—or a technician looking to be featured—this section is for you.

    All contractors listed will be licensed by the Texas Department of Licensing & Regulation.

    📣 Independent contractor listings for Central SA will be live soon.

  • Furnace Not Turning On? Top Reasons & Fixes for 2025

    🛠️ Furnace Not Turning On? Here’s What Might Be Wrong

    When your furnace is not turning on, it can be frustrating — especially during a Texas cold snap. Whether it’s a quick DIY fix or something that needs a technician, this guide covers the most common causes and how to troubleshoot before making a service call.

    🔧 1. Thermostat Is Set Incorrectly

    It sounds basic, but double-check that the thermostat is set to “heat” and the temperature is higher than the room temperature. Also, make sure it has working batteries.

    🧠 Pro Tip: Switch it off and back on to see if it reboots the system.

    ⚡ 2. Tripped Circuit Breaker

    Check your home’s breaker panel. If the furnace breaker is tripped, reset it once and listen for the furnace to click or start. If it trips again, call an HVAC tech immediately.

    🔋 3. Clogged Air Filter

    A dirty air filter can block airflow and cause the furnace to overheat and shut off.

    📅 Filters should be changed every 1–3 months, especially in winter.

    🔌 4. Pilot Light or Ignition Failure

    Older gas furnaces use a pilot light. If it’s out, you’ll need to relight it following the unit’s instructions. Newer models use electric igniters which can fail over time and need replacement.

    5. Blower Motor Problems

    If the furnace turns on but no air is blowing, the blower motor may be burnt out or stuck. Check for unusual smells or sounds. You’ll likely need a tech for this one.

    💻 6. Faulty Limit Switch or Control Board

    Modern furnaces have safety switches and control boards that monitor temperatures. If any part fails, your furnace might lock out for safety reasons.

    🧊 7. Frozen Condensate Line (in high-efficiency furnaces)

    In colder temps, the condensate line can freeze, especially if it’s not insulated. This causes the furnace to shut down as a safety measure.

    🔄 8. Furnace Lockout Mode

    After multiple failed starts, some systems go into lockout mode. Turning the power off for 30 seconds and back on can sometimes reset the unit.

    🛑 9. Gas Supply Issues

    If you’re using gas, make sure the gas valve is on and your utility isn’t experiencing issues. You can also check other gas appliances to confirm gas is flowing.

    The NFPA recommends having your heating system inspected annually to reduce the risk of fire hazards or equipment failure.

    🔍 10. Furnace Age and Wear

    Furnaces over 15 years old are more prone to breakdowns and inefficiency. If you’ve had multiple repairs in the past two years, replacement might be more cost-effective.

    According to Energy.gov, clogged filters and poor maintenance are two of the top reasons furnaces fail to start.

    📞 When to Call an HVAC Pro

    If you’ve gone through these steps and your furnace still won’t turn on, it’s time to bring in a professional. Delaying could lead to frozen pipes, poor indoor air quality, or carbon monoxide issues in gas furnaces.

    Need help now? Check out our Top HVAC Contractors in San Antonio for fast, trusted furnace repair.

    ✅ Final Thoughts

    A furnace that won’t start can be caused by anything from a tripped breaker to a failed igniter. By going through this checklist, you can often avoid an unnecessary service call — or at least know what to expect before the technician arrives.