Air Conditioning Energy Tips

A dusty filter reduces air flow. Examine your unit’s air filters once a month and clean or replace filters when necessary. Keeping your filters clean can cut energy consumption 5 to 15%.

Room units should be covered or removed and stored in the winter.

Clogged drain channels prevent a unit from reducing humidity and the resulting excess moisture may discolor walls and carpet. Channels usually can be cleaned by passing a stiff wire through them.

Holes in the seal between the air conditioner and the window frame allow cool air to escape from your home. Moisture can damage this seal so inspect it annually to see that it makes contact with the unit’s metal case.

Coils can become clogged with dust. To clean room air conditioner coils, first unplug the unit. Use a vacuum cleaner to remove dust from the interior heat exchanger; the exterior heat exchanger may be cleaned using water from a garden hose.

You may wish to install a timer. When leaving home, you can set the timer so that the unit turns on a half hour before you return. This should be enough time to cool the room. Before purchasing a timer, you must make sure that it can handle the electrical load; otherwise, the timer could be a fire hazard. For central air conditioners, a programmable thermostat will control the unit.

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