Windows can be a major source of heat loss in your home. Fortunately, there's something you can do about it. First, check for gaps around the windows. If you find any, fill them with caulk (figure A). Seal the bottoms of your windows by attaching felt weather-stripping material (figure B).
Another option is a window upgrade. Newer, high-tech windows have some interesting options that can save you time and money. For example, you can get a window with a roll screen (figure C) that fits inside your window opening and allows you to keep the screen out of the way when it's not needed so more light can enter your home. Other choices include hinged casement handles that don't poke out into the curtains and blinds that fit between the panes of glass in the window.
Finally, call your utility company. Many offer a free energy evaluation of your home and make recommendations to help you save energy.
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