AC Running But Not Cooling? Here’s Why and What to Do
When working correctly, your air conditioning system should have no issues with keeping your home cool and comfortable. An AC system that runs but doesn’t cool is obviously a sign that something is wrong, and this is true no matter whether the system blows warm air, stops blowing air at all, or simply runs without cooling the home. If you are having any of these issues, here are the potential causes and what can be done to fix them. AC Blowing Warm Air If you ever notice that warm air suddenly starts blowing out of your vents when the outdoor AC unit is still running, it almost always indicates that the evaporator coil inside your home is frozen. A frozen evaporator coil can occur because the AC air filter is clogged, the coil itself is coated in dust, or the AC blower has some issue where it can’t circulate enough air. The issue can also happen because the refrigerant level in the system is low due to a leak. If the evaporator coil does ever freeze, you need to shut your AC off and wait until the coil is completely thawed before turning the system back on. If the system...
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