KEVIN PERRI, A.J. PERRI
How an air conditioner works
Air conditioners use refrigeration to cool indoor air. When a liquid converts to a gas, it absorbs heat. This process is called phase conversion. Air conditioners use phase conversion by forcing refrigerants to evaporate and condense over and over in a closed system of coils.
What air conditioner filters do
Filters remove particles from the air, keeping ...
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