9 ways to cool down air-conditioning costs
Don't bake or cook on the stove
Skip the stove-top boiling and oven baking, Cox says. Decrease indoor heat by making microwave nachos or eating a cool salad. If you must boil pasta for tomorrow's potluck, cook in the evening.
After cooking, turn on the kitchen exhaust, and use the bathroom exhaust fan after a hot shower. "Remove heat and moisture at the source," Scheckel says. "Reducing humidity can help increase comfort."