![Caulking can reduce heating and cooling costs and improve comfort in your home. <a href="http://energy.gov/energysaver/articles/caulking">Learn more about caulking</a>. Caulking can reduce heating and cooling costs and improve comfort in your home. <a href="http://energy.gov/energysaver/articles/caulking">Learn more about caulking</a>.](https://webarchive.library.unt.edu/web/20120925180842im_/http://energy.gov/sites/prod/files/styles/topic_hero/public/caulk_18230501.jpg)
Caulking can reduce heating and cooling costs and improve comfort in your home. Learn more about caulking.
You may already know where some air leakage occurs in your home, such as an under-the-door draft, but you'll need to find the less obvious gaps to properly air seal your home.
Learn about the best techniques and materials for minimizing air leakage when building a new home.
Weatherstripping doors, operable windows, and other movable building materials will reduce your heating and cooling costs.