Blower door test equipment consists of a large, powerful fan that is fitted into an exterior door in your home. Its adjustable panels allow our team to fit it tightly within the door frame. When turned on, the powerful fan will blow interior air outside and create negative air pressure within your home. To ensure the blower door can properly

This second method of air-sealing is known as “blower-door-directed air-sealing.”. Blower-door-directed air-sealing is a method that was developed in the 1980s by weatherization specialists supported by the Weatherization Assistance Program (WAP), a 42-year-old federal agency that funds air-sealing and insulation work in the homes of low
Blower door testing, also known as Air Leakage Test or Air Tightness Test, is the process of measuring the amount of conditioned (heated or cooled) air leaking from a building through uncontrolled ventilation. A fan is installed into the external envelope of the building and supplies air into, or extracts air out of, the property creating a
How does the blower door test Work? To conduct a blower door test, an infiltrometer or blower door fan is placed in the main entry doorway to depressurize the house or suck out air from the interior. This process will cause outside air to be drawn into the house through leakage points.
Infiltrometer™ Blower Door Test. All houses should have some air leakage but most leak too much. Symptoms of excessive leakage include uneven temperatures throughout the house, wasted energy, excessive dust, cold drafts, dry air in winter, and clammy air in summer. On the other hand, some homes are too airtight and may have unhealthy indoor air. The blower door test takes the guess work out of detecting air leaks in a structure; however, most contractors would like to pass the blower door test the first time. It is estimated that 50% of newly constructed homes will fail the blower door or air-tightness test. 6qG5Zd.
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    • how does a blower door test work