Storm Doors and Windows Save Energy

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Storm doors | Storm Windows | Energy Saving

Storm Windows

Consider this:
Almost half U.S. homes have older, single pane windows. Poorly fitted, single-pane windows can lose energy much faster than modern multi-glazed energy efficient windows. In extreme weather, such a poor performing window may lose energy ten times faster than an equal area of wall.

Newer homes have insulated metal or fiberglass exterior doors; older homes generally don't - they have older doors that lack modern insulation and weather tight seals, allowing drafts and air leakage.

Field studies have found that storm windows can help to reduce air movement into and out of existing windows, and thus reduce heating and cooling energy bills. The U.S. Department of Energy estimates that 25% of the heating and cooling in the United States is lost through windows alone each year.

Storm doors and windows save energy and save $$

If you live in one of the many U.S. homes with older, single pane windows, storm windows can save you money by keeping energy dollars from flying out the window. Exterior or interior storm windows can reduce your heat loss through the windows by 25% to 50%.

If your older home has ill-fitting, non-insulated exterior doors, storm doors can reduce air leakage and keep your energy dollars indoors. Exterior storm doors with proper weather stripping provide a weather tight fit and protection from the elements, with a bonus of extra security.

Energy Savvy Buying Tips:

Storm windows should have weather stripping at all moveable joints; be made of strong, durable materials; and have interlocking or overlapping joints. Sash tracks, or metal grooves at the sides of the window, should be deep enough to reduce air leakage. Low-e storm windows save even more energy.
Storm doors should be custom measured for an exact fit. Weather stripping quality makes a big difference in how well storm doors reduce air leakage. Quality of construction affects the strength and effectiveness of storm doors. Corners are a good place to check construction. They should be strong and air tight. If you can see through the joints, they will leak air.