Air Leak – Defined
A hole, crack, or gap where air can leak in or out of a house. Air leaks can make a home feel drafty or uncomfortable and waste energy.
Sealing and Insulation – Resources to help you set project priorities, detect and seal air leaks, choose appropriate products, and complete Do-It-Yourself projects.
Detecting Air Leaks: Resources, videos, and helpful links
Prioritizing Air Sealing Projects: Explains where air sealing is most effective in the home and helps homeowners set priorities for air sealing projects.
Sealing Air Leaks: Tips, DIY Projects, Materials, Diagrams, Examples, and Instructional Videos
Sealing and Insulating your home is one of the most cost-effective ways to make home more comfortable and energy efficient — and you can do it yourself. Use This Guide to:
- Learn how to find and seal hidden attic and basement air leaks
- Determine if your attic insulation is adequate, and learn how to add more
- Make sure your improvements are done safely
- Reduce energy bills and help protect the environment