Heat most commonly can escape through the front and back doors and windows of your home, and doors and windows allow cold air to enter the house, Hobson said. She recommended weather stripping as an affordable, practical and quick way to seal the areas that allow heat loss. You should ensure that any seal you install not interfere with the functionality of the door or window, she added.
Another easy window insulation solution is to cover the window in plastic. You can buy ready-to-use window insulation kits at a hardware store for about $6, she said.
Your fireplace. Make sure that the damper in your chimney is completely closed.
Light switches and electrical outlets. Check your local hardware store for outlet or switch sealers, which will create a barrier against incoming cold air. You can buy an 8-pack for as low as $2. Since you'll be working around electricity, she stressed that you must turn off the outlet or switch before you install the seals.
Visit the Department of Energy's website. You'll find helpful tips and easy-to-follow information on how you can increase your energy efficiency and lower your heating and cooling costs.
One of the simplest ways to use less heat is to make sure you keep your curtains open during the day to let in as much sunlight as possible. Also, closing your blinds in the evening may give you some added insulation.
Using your fan in the winter actually can help you retain heat in your house. Adjust your fan so it turns clockwise. This way, warm air will be pushed down from your ceiling.
If you would like to weatherize your home but can't afford it, the government may be able to help. The Department of Energy has a Weatherization Assistance Program that helps low-income families make their homes more energy efficient. You can get more information about the program in your state on the site.