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It may seem inconsistent that an AC unit can collect frost in Clearwater’s 80-degree temperatures, but it happens. When it does, it’s a clear signal that there’s a problem with your air conditioning unit. Here are two reasons why you may see frost on your AC unit.

Your Air Conditioner Can’t Breathe

The frost on your AC unit could be due to inadequate airflow over the evaporator coil. When airflow is restricted, the temperature of the coil drops to below freezing. The humidity in the air collects on the coil and freezes. If left unchecked, ice buildup can cause severe damage to your air conditioner and lead to unnecessary ac repair costs.

Blocked or restricted airflow can stem from several things. A clogged or dirty filter is frequently the cause and is the easiest to remedy because it’s a DIY task. Debris blocking the evaporator coil, dirty fan blades or a malfunctioning blower fan, and disconnected, improperly sized or crimped ductwork also interrupt the airflow in your AC unit.

There’s A Problem with Your Refrigerant

The refrigerant collects the heat inside your home and transfers it to the outside. It doesn’t get “used up” during the cooling cycle; it stays at a set level (also referred to as its charge). As your AC unit ages, leaks can develop. If the refrigerant loses its charge, it causes the coil to freeze; the humidity collects on the coil and turns to ice. A clogged tube or dirty valve can also restrict refrigerant flow into the coil, causing it to freeze.

Air conditioning units in Clearwater work hard to combat the heat and humidity of summer. Preventive maintenance can substantially reduce the likelihood that your AC unit will ice up due to refrigerant or airflow problems. To learn more about how regular maintenance improves your physical and financial comfort, check out Advanced Cooling Systems’ residential and commercial HVAC maintenance pages or call (727) 213-5888


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