important site you can include the oil yourself by adhering to the maker’s Instructions in your air con unit’s owner’s manual.Employing a Maintenance Program will gain your system by lowering the volume of repairs and trying to keep your system running successfully for lengthier.Straighten bent coil fins by using a fin comb. Any time you clean your AC unit’s coils, look at the aluminum fins to find out When they are bent. The fins are slender metallic strips that operate parallel to each other right next to the Related Site copper coils.