Vent moisture. Humidity in your home is known to make you feel warmer, so whenever cooking or showering, turn on the exhaust fan. If you don’t have one then crack the window.
Prevent solar heat gain. Shut blinds and drapes in the heat of the day, or install window film to help stop radiant heat from entering your home. Some window coverings allow natural light to enter but also prevent heat gain.
Don’t use appliances that heat the home. Try cooking outdoors with your gas grill instead of the oven, or use the microwave to heat up simple summer meals.
Install a programmable thermostat. Setting a cooling schedule that raises the temperature a mere few degrees when the family is sleeping or away from home can save you up to 10 percent on that air conditioning bills this summer. A programmable thermostat will help you keep to your schedule, so that you don’t have to remember to reset the thermostat before you go to bed or before you leave home.
Use fans. Whether it’s a portable model or mounted in the ceiling, fans are great for cutting energy use in the summer by several degrees. Fans create a wind that makes us feel cooler without even turning the thermostat down.
Seal ductwork. Your ducts are important to utilizing your conditioned air efficiently. Make sure all holes are repaired and all segments sealed tightly for less waste of energy.
Insulate and air seal. Insulate your attic to keep the sun from overheating it in the summer months, compromising your cooling efforts. Seal cracks and gaps around windows and doors with weatherstripping and sealant.
Buy Energy Star appliances. Energy Star, the government’s efficiency rating system for appliances, can guide you to the most efficient air conditioner choices for your home.