Seal the Savings

Weatherstripping can reduce air leakage by 25–40% and cut heating costs by 10–15%.

As winter begins in the northern hemisphere, now is a great time to make your home or office more energy-efficient. Better weatherstripping — sealing gaps around openings like doors and windows — can reduce air leakage by 25–40%. According to the U.S. Department of Energy, this simple step can save 10–15% on heating bills and make your space more comfortable in extreme weather conditions. Whether you’re just noticing drafts or ready to transform your home’s entire envelope, choose the level of investment in weatherstripping that matches your needs.

Improving Weatherstripping

Weatherstripping is a flexible strip of material installed around an exterior door or window that opens. The purpose of weatherstripping is to provide a continuous seal around the opening when the door or window is fully closed and latched. Poorly-installed or worn-out weatherstripping allows air, moisture, and sometimes insects or animals to get through. Well-installed weatherstripping provides a dependable barrier so indoor conditions can be better controlled.

Quick-Start: Simple Sealing

Most homeowners, landlords, or tenants can tackle these basic steps: