Turn up the thermostat for Air Conditioning (AC): every degree higher saves 3% of your bill (set the thermostat to 78 degrees or higher).
Keep your AC coils dust free and the change the filter several times per year.
Use a fan when possible rather than running your air conditioner.
Close doors and vents in rooms you aren’t using.
Unplug appliances like TVs, computers and DVDs when you will be gone for several days; they use electricity even when not turned on.
Close doors and windows when air conditioning and heating.
Switch out your light bulbs to fluorescent bulbs (Savings: $50 per year)
Clean your refrigerator coils underneath and behind using a vacuum cleaning hose and duster to increase efficiency. Also make the door seal is good by inserting a dollar bill between the seal and test to see if there is resistance when pulled out. (Savings: $115 per year)