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Showing posts from August, 2026

What Causes Your AC to Freeze During Hot, Humid Days?

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Seeing frost on an air conditioner when Manor is sitting near 98 degrees can be confusing. Nothing outside is remotely close to freezing, yet the larger copper refrigerant line may turn white with frost, the indoor evaporator may become coated in ice, and the airflow from the vents can steadily disappear. Before long, the AC is still running but the rooms are getting warmer instead of cooler.  ATX Heating & Air Conditioning LLC  handles these freeze-up calls throughout Manor during the summer because outdoor heat does not prevent the indoor coil from dropping below 32 degrees. What matters is the operating condition of the evaporator. Inside the indoor unit, refrigerant passes through the evaporator coil and absorbs heat from the household air moving across it. During normal operation, the surface of that coil commonly stays in the mid-40-degree range. It is cold enough to cool the air and condense moisture but warm enough for that moisture to remain liquid. Under healthy ...
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The cooling season in Lexington tends to fade gradually. September mornings become cooler, the AC runs less frequently, and unusual behavior that was noticeable in August becomes easy to put aside. That is precisely why problems can go unattended. A cooling system that struggled through the final part of summer will not correct itself during winter. A homeowner who heard humming, noticed an odor, or felt weak airflow in August may meet the same problem again in June, when there is less patience and a longer wait for service. Green Energy AC Heating & Plumbing Repair sees the same cycle repeat throughout Lexington each year. There is another reason late-season timing matters. A growing number of Lexington homes now use air source heat pumps instead of separate furnaces and air conditioners, partly because of Massachusetts efficiency incentives. In October, those systems reverse direction and begin heating the home with the same compressor, coils, refrigerant, and blower that opera...