Showing results 51 - 59 of 59
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To test house-to-garage airtightness, after connecting the green tubing as shown, connect the red tubing as follows: connect the input tap on channel “A” of the two-channel manometer (2CM) to the reference tap on channel “B” of the 2CM
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To test house-to-garage airtightness, first set up the blower door kit with the smart manometer in the blower door
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Two manometers are used when pressure testing the airtightness of the walls separating the house from an attached garage
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Wrong - This IR image of a second-floor landing shows that attic air is flowing far into the interstitial floor cavity of the second-floor landing
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Wrong - This IR image shows where hot attic air has penetrated into the floor cavity that lies behind the stairwell wall
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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
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Wrong – The gas water heater is left on during enclosure leakage testing, which could result in dangerous backdrafting of the water heater when the home is depressurized
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Wrong – this framing material has a moisture content above 18% as shown by the moisture meter