A DIY Guide to Sealing and Insulating with ENERGY STAR

woman and child

Sealing and Insulating are often the most cost-effective ways to make a home more comfortable and energy efficient — and you can do it yourself with guidance from ENERGY STAR.

Use This Guide To:

  1. Learn how to find and seal hidden attic and basement air leaks;
  2. Determine if your attic insulation is adequate, and learn how to add more;
  3. Make sure your improvements are done safely;
  4. Reduce energy bills and help protect the environment

If you are not familiar with the terms used in this guide, refer to our glossary.

Continue to Getting Started.

You can also download the  Seal and Insulate DIY Guide (PDF, 12.8 MB).