Question about Heating & Cooling
If your coil is freezing at night, it sounds like your getting cold enough at night to have your saturation temperature drop below the design of what the AC is able to do. If it runs all day without an issue and freezes up at night, you need to add what is called an outdoor fan cycling switch. This will turn the condenser fan off when the saturation temperature drops so it will not freeze your coil at night. You need to have an HVAC technician install this. It is not a DIY projuect since it has adjustments that need to be right. Plus, it it's a heat pump, it needs to drop the switch off in the winter.
Posted on Sep 28, 2010
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Posted on Jan 02, 2017
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