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Overview
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As the blower-door fan sucks air out of a house, it also pulls air into the house through all the gaps and leaks in the building's shell. A manometer, attached to the blower door, show how much air is being pulled into the home. Along with measuring the amount of air pulled through a house, the blower door test can also pinpoint the locations of the gaps and leaks.
Download a study guide to go with this video.
These materials are adapted from Wx Workforce Training, a video-based weatherization training service. -
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