Showing results 1 - 9 of 9
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A home is tested at two points for enclosure air leakage
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Calibrated blower door fans are used for envelope leakage testing
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Install a self-closing door with weatherstripping and thoroughly air-seal the shared house-garage walls to help keep automobile exhaust and other pollutants out of the home.
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Right - Manometers are placed away from the indoor side of the fan during blower door testing
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Right – The blower door is installed snugly and securely to the door frame during testing
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Right – The blower door pressure reference hose is placed well away from the outdoor side of the fan
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Wrong – The blower door is installed improperly with a gap at the corner and along the side of the frame that will allow air leakage and could allow the frame apparatus to become dislodged during testing
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Wrong – The blower door pressure reference hose (blue) ends too close to the outdoors side of the fan. Air moving across the end of the hose will affect the pressure reading