How to Keep the House at a Constant Temperature

Check the insulation in your home. According to the North American Insulation Manufacturers Association, a home insulated with fiberglass, slag wool or rock wool provides one of the most cost-effective ways to save energy when heating and cooling a home. You can also add batt or blown-in insulation to your existing insulation in your home. Insulation can plug up areas that make your home drafty to prevent heat and air-conditioning from escaping.

Install an attic fan and whole house fan to create a breeze through open windows and doors to can cool down the house on hot days. These fans blow out the hot air trapped in the house and in the attic, reducing the heat load on the air-conditioning unit. Fans can reduce the cost and increase the performance of the air-conditioner.
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Make sure your systems are adequate for the space you are heating and cooling. Heating and air-conditioning units come in different sizes and capacities. Figuring out which systems are right for you includes an analysis of the square footage, age and configuration of your home. Check your roof to make sure it is insulating your home properly to keep it at a constant temperature.

Set your thermostat at one temperature that is comfortable day and night and not wasteful. Invest in a programmable thermostat if you want to set different temperatures for when you are at home and when you are away as an alternative to keeping the thermostat at a constant temperature.This type of thermostat contains a mini-computer that works with your furnace or boiler to keep your house at the desired temperature using the minimum amount of fuel possible.