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 »

Changing an air filter is a relatively simple process that can be completed in a few minutes if the proper materials are available. In order to change your air filter, you need access to your air conditioning unit and a ... More »

Some common air conditioning problems include refrigerant leaks and drainage issues. Electrical control failures and sensor problems may also plague some air conditioning units. Inadequate maintenance that leads to dirty... More »

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The Accord ABRFWH2020 return filter grille, the Accord AORGOLL106 red oak return grille and the American Metal Products stamped-face air return grille are some good air ventilation grilles. Each of these grilles has a 4.... More »

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 »

As of 2015, an evaporator coil for a 2-ton air conditioner costs around $200 to $600 depending on the brand. The repair task itself of installing the coil takes about two to four hours with a total amount of about $650 t... More »

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 »