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 14.5 or greater. 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.

Make saving automatic: Set your thermostat fan switch to "auto" to save energy. Leaving it in the "on" position keeps air running constantly.

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.