A Do-It-Yourself Guide to Seal and Insulate with ENERGY STAR

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.

Inside the DIY Guide

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