How to maintain your AC unit for Dummies
+LA+Air+Conditioning+Contractors,+Victory+Boulevard,+Canoga+Park,+CA,+USA&mode=driving" width='100%' height='600'>hvac tune upTest the evaporator coil: The evaporator coil is an additional common site for refrigerant leaks. Inspect the coil for almost any signs of corrosion, problems, or oil residue.The first step in correcting a refrigerant leak i