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CHARLOTTE- More than half the expense on summer energy bills is connected to the air conditioner.

Duke Energy Spokesperson Jason Walls said 50 to 60 percent of an energy bill is related to cooling the home. As temperatures hover around record-breaking levels, Duke Energy is offering cost-cutting tips that anyone can incorporate.

The company reports energy bills this summer have been 12 to 19 percent higher than this time last summer. "Increasing just two degrees on your thermostat can save you up to five percent on your energy costs," said Walls.

More Tips:

Increase temperature or make your thermostat warmer, but using a ceiling fan to create that wind chill

As the sun's coming into your home, heating up the inside of your home, keep draperies, curtains, or blinds closed.

Avoid using the oven and the stove top during the heat of the day when the air conditioner is already working hard to keep your home cool. Try to use your microwave to cook or eat foods that don't have to be cooked.

Change out incadescent light bulbs to CFL. They are 75 percent more efficient than an incandescent and don't admit the heat of an incandescent light bulb.

Open the refrigerator and freezers with a purpose. Don't linger with the door open and release the cool air because it makes the appliance work harder.