Switch your ceiling fan to turn in a counter-clockwise direction In the summer; in the winter, run it at low speed, but clockwise.
Close your exterior doors and windows tightly when the AC is on. Save even more by turning off kitchen and bath exhaust fans.
Change or clean your AC's air filters at least once a month to keep your system running at peak performance.
Make sure your AC has a rating – or Seasonal Energy Efficiency Ratio (SEER) – of 15. Not only will your AC be more efficient, you could also be eligible for a rebate up to $300.
Make saving automatic: Set your thermostat fan switch to "auto" to save energy. Leaving it in the "on" position keeps air running constantly.
Block the sun from overheating your home! Inside, use shades, blinds and drapes. Outside, use awnings, trees and shrubs.
Insulate your walls with injected foam insulation to help you save energy by keeping hot outside air from seeping through porous block walls – check with your local building supply company for details.
Give your AC tune-up. Running an inefficient AC system can result in high monthly bills. Plus, you could qualify for a rebate.
Open interior doors so that cooled air flows freely throughout your home.