Find out how tightly your home is sealed.

A blower door test measures air leakage through the building envelope. The results help reveal whether outside air is entering—and conditioned air is escaping—more easily than it should. Testing can guide air-sealing and efficiency decisions instead of relying on guesswork.

• Quantify envelope leakage

• Support comfort and efficiency evaluations

• Identify areas for further investigation

• Provide test results and practical next steps