- Caulk and weather-strip leaks in your house. If properly sealed, you can save up to 20 percent on heating and cooling. Seal anywhere you feel a draft, including areas where plumbing, ductwork or electrical wiring go through exterior walls. Also check attics, basements and crawlspaces.
- Install storm doors and windows for an additional layer of insulation.
- Insulate attics, basements, living areas and crawlspaces. Your local home improvement store can help you decide which type – fiberglass, cellulose, rigid foam board, spray foam – is best for your home. If you can only do one place in your home, make it the attic!