Cut your cooling costs by 30% or more

Having a technician service your central-air system every year or two could help you save up to 10% on your electric bills.

(Money Magazine)

Below, a few simple steps to trim your bill 30% or more.

SAVE UP TO 10%

Clear the condenser: Prune back shrubs and ground covers at least a foot away from your outdoor air-conditioning equipment, says Charles Cormany of Beanstalk Energy, a Sonoma, Calif., residential energy efficiency contractor. Then use a blower to remove leaves and debris from in and around the case for maximum airflow.

Get a checkup: Have a technician service your central-air system every year or two.

For $100 or $200, he'll charge the refrigerant, adjust the settings to maximize efficiency, and check the insulation on the coolant pipes, says David Kyle, owner of an AC service and installation company in Lorton, Va.

SAVE UP TO 20%

Replace filters: Install new filters at least twice a year, says Cormany. "Forget fancy, antimicrobial filters," he says. "Go for the cheapest."

They should cost less than $10 each. For window units, hand-wash and dry filters monthly.

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Cut your cooling costs by 30% or more