Clean the evaporator coil on an air conditioner using a stiff brush and gentle pressure to remove accumulations. Not all systems allow user access to the evaporator coil. On systems that allow access, clean the coil annu... More »

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An air conditioner coil is the part that turns a liquid chemical such as Freon into a gas and absorbs heat while creating cool air. The coil functions as a heat exchanger, because it draws out heat and creates the cool a... More »

Tools needed to clean an air conditioner include 4-in-1 screwdriver, shop vacuum, fin comb, leather gloves and rags. In addition one also needs certain materials including A/C coil cleaner, household cleaner and electric... More »

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To replace an evaporator coil in an air conditioner, remove the old coil, insert the new one in place and recharge the coolant. Once the coils have been replaced, test the air conditioner to ensure the repair is sufficie... More »

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To replace an air conditioner evaporator coil, disconnect the unit, examine it for damage, cut the tubing to remove the coil, and then insert the new coil into the port. The procedure for replacing an evaporator coil var... More »

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An air filter is located above the evaporator coil in an air conditioner, typically in a special slot within the duct system or inside the return grille. The air filter is made of paper and is either folded fuzzy-looking... More »

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Filters are in almost every air conditioner manufactured, and they are generally located upstream of the evaporator coil. The filters can be located in the air return grille or special duct slots. The primary reasons for... More »

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