HVAC advice for North Dallas homes
Plain answers to the things that go wrong with heating and cooling in Celina, Prosper, Frisco and McKinney — written by the technicians who fix them.
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Why your furnace is not turning on
Five reasons a furnace will not start, the three you can check yourself in ten minutes, and when it is a safety problem. From a licensed Celina, TX contractor.
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Why your air conditioner is leaking water in the attic
Water dripping from a ceiling under an attic air handler is almost always one of three things. What to do right now, and what it costs. Celina, TX.
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Why your AC is running but not cooling
The outdoor unit runs, air comes out of the vents, and the house will not cool. The six causes in the order a technician checks them. Celina, TX.
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What the noise your air conditioner is making actually means
Humming, hissing, clicking, banging or screaming — each one points at something different. Which mean switch it off now, from a licensed Celina, TX contractor.
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Why your heat pump is not heating or cooling
Heat pumps fail differently from a furnace and an AC. Defrost mode, auxiliary heat, and the six real faults — explained by a licensed Celina, TX contractor.
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What the smell coming from your AC actually means
Musty, burning, rotten eggs or chemical — each points somewhere different, and one of them means leave the house. A licensed Celina, TX contractor explains.
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Why your air conditioner is freezing up
Ice on an air conditioner in a Texas summer means airflow or refrigerant. Why chipping it off makes it worse, and what to do instead. Celina, TX.
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Why your upstairs will not cool but downstairs is fine
Two-story homes in Celina and Prosper cool unevenly for four reasons. What is fixable cheaply, what needs ductwork, and what is a design problem.
