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Image:

Wrong – This seam along a common wall is not air sealed.

Wrong – This seam along a common wall is not air sealed.
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Wrong – This second-story floor plan has red lines that indicate openings from the attic into the interstitial floor space

Wrong – This second-story floor plan has red lines that indicate openings from the attic into the interstitial floor space
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Wrong – Top plate to drywall connection not sealed

Wrong – Top plate to drywall connection not sealed
Image:

Wrong – Top plate to drywall connection not sealed

Wrong – Top plate to drywall connection not sealed
Image:

Wrong – Top plate to drywall connection not sealed

Wrong – Top plate to drywall connection not sealed
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Wrong – Vent sleeve not completely sealed

Wrong – Vent sleeve not completely sealed
Image:

Wrong – Wall from above without top plate or blocking installed

Wrong – Wall from above without top plate or blocking installed
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Wrong – When insulated sheathing is installed correctly, you should not see daylight. Nail holes were also left unplugged.

Wrong – When insulated sheathing is installed correctly, you should not see daylight. Nail holes were also left unplugged.
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Wrong – Where possible, design walls and specify window sizes and placement to minimize the use of studs around windows; and seal all wood-to-wood seams to minimize air leakage through walls.

Wrong – Where possible, design walls and specify window sizes and placement to minimize the use of studs around windows; and seal all wood-to-wood seams to minimize air leakage through walls.
Image:

Wrong – Whole house fan installed with holes in surrounding platform that need to be air sealed

Wrong – Whole house fan installed with holes in surrounding platform that need to be air sealed
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Wrong – Whole house fan installed without an insulated cover

Wrong – Whole house fan installed without an insulated cover
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Wrong – Window does not meet ENERGY STAR requirements

Wrong – Window does not meet ENERGY STAR requirements
Image:

Wrong – Window has additional non-structural king stud

Wrong – Window has additional non-structural king stud
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Wrong--No insulation installed behind fireplace

Wrong--No insulation installed behind fireplace
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Wrong: Drywall does not extend beyond the top plate of the interior walls. This installation has the potential for leakage at the sides where the ducts penetrate the side walls of the chase

Wrong: Drywall does not extend beyond the top plate of the interior walls. This installation has the potential for leakage at the sides where the ducts penetrate the side walls of the chase
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Wrong: HPWH inlet and outlet are piped to mixing valve inlet and DCW make up, driving erratic HPWH and mixing valve behavior

Wrong: HPWH inlet and outlet are piped to mixing valve inlet and DCW make up, driving erratic HPWH and mixing valve behavior
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Wrong: The exhaust air from one heat pump water heater is blowing into the intake of the heat pump water heater next to it

Wrong: The exhaust air from one heat pump water heater is blowing into the intake of the heat pump water heater next to it
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Wrong: This air handling equipment is installed in the garage without isolating the equipment from the garage space

Wrong: This air handling equipment is installed in the garage without isolating the equipment from the garage space
Video:

Your Northern Home: Air Leakage/ Blower Door Test

Video:

Your Northern Home: Stack Effect

Presentation:

Zero Energy Homes

Zero Energy Homes