Homes where the air conditioning isn't constantly running or where heavier filters are installed can go longer, maybe even up to a year, between replacements. Always give window units a cleaning ...

When cleaning window AC units, you’ll need to access ... Though some of the more unscrupulous air conditioner service ...

Fortunately, the hardest part to cleaning air conditioner coils is remembering to set aside the time at least once a year. The coil cleaning process usually takes less than half an hour ...