serving Westchester, Putnam, Fairfield, New York Metro area 914.497.5900 .
Blower Door Test: Blower door tests are used to measure the air tightness
level of building envelopes, diagnose and demonstrate air leakage problems,
estimate natural infiltration rates, estimate efficiency losses from building
air leakage, and certify construction integrity.
The blower door is a powerful fan that is mounted into the frame
of an exterior door. The fan pulls air out of the house, lowering the
air pressure inside. The higher outside air pressure then flows in
through all unsealed cracks and openings.
Since leakier houses require more airflow to induce a given pressure
difference, blower doors can measure the relative
leakiness of a house.
A blower door test will measure failures in air boundaries,
failures that left uncorrected will continue to leak both air and dollars.
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