How often should filters be cleaned or replaced?
Typically, filters should be cleaned or replaced once a month. Some units are are equipped with permanent filters. They can be cleaned according to the instructions supplied by the the manufacturer. Disposable filters should be replaced with filters of the same type and size as the original filter.
What do rating numbers mean?
The U.S. government requires an efficiency rating of all air conditioning and heating equipment. The rating reflects the percentage of energy used efficiently, with a high rating indicating high-efficiency.
What is a SEER?
There are special names for the efficiency ratings of various types of equipment. Air conditioning equipment is rated by the Seasonal Energy Efficiency Rating, or SEER. The higher the SEER rating, the more efficient the unit.

Back Next