Air Sealing

  • smokewandIn our cool climate, warm air escaping through gaps and cracks is energy wasted.

    The HBA used a blower door to see how leaky the building was.

    Then they used a smoke wand to find the locations of the leaks.

  • blowerdoorTo fix the problem, they sealed cracks around windows, the space between floors, and in the attic with caulk.

    Gaps in the duct work were sealed with mastic.

    The final blower door test revealed that the building had more than doubled its performance, which exceeds the new 2009 energy code requirements. Learn more by watching the video below.

Proper Duct Sealing