Air Sealing: Building Envelope Improvement

Publication Type:
Fact Sheet

Published / Updated:

Air leakage accounts for 20 to 40% of the energy used for heating and cooling and also reduces the effectiveness of other energy saving measures. Air sealing the building envelope can provide improved comfort, improved indoor air quality, and lower your home's energy costs. Energy Star labeled homes use at least 30% less energy than homes built to meet the national Model Energy Code. Download this fact sheet to learn more about the benefits of air sealing.

  • lower energy costs
  • fewer condensation problems
  • improved air quality
  • improved resale postion

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