Blower door Blow Door Test
A blower door is a machine used to perform a building air leakage test. It can also be used to measure airflow between building zones, to test ductwork First 0.0 ach50 Blower Door Test (are we happy or concerned?) Secrets to Airtight Homes: Blower Door Test with Fog in Action Intro to the Blower Door Test Watch recessed light air leakage when the blower door pulls air from the attic and the spider web reveals the issue. If you would ...