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Image:

Wrong – There is visible light around the door because no weather stripping has been installed.

Wrong – There is visible light around the door because no weather stripping has been installed.
Image:

Wrong – These holes have been cut larger than needed, making them difficult to seal.

Wrong – These holes have been cut larger than needed, making them difficult to seal.
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Wrong – These plumbing penetrations have been cut larger than needed, making them difficult to seal.

Wrong – These plumbing penetrations have been cut larger than needed, making them difficult to seal.
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Wrong – This hole has not been air-sealed.

Wrong – This hole has not been air-sealed.
Image:

Wrong – This recessed can light has not been sealed to the drywall.

Wrong – This recessed can light has not been sealed to the drywall.
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Wrong – This recessed light does not have a gasket installed.

Wrong – This recessed light does not have a gasket installed.
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Wrong – This recessed light is not ICAT labeled.

Wrong – This recessed light is not ICAT labeled.
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Wrong – This seam along a common wall is not air sealed.

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

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
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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
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Wrong – Two combustion appliances are sharing a flue which could lead to backdrafting if one appliance is updated to a direct vent appliance and disconnected from shared chimney.

Wrong – Two combustion appliances are sharing a flue which could lead to backdrafting if one appliance is updated to a direct vent appliance and disconnected from shared chimney.
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Wrong – Vent sleeve not completely sealed

Wrong – Vent sleeve not completely sealed
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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 – 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
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Wrong – Window has additional non-structural king stud

Wrong – Window has additional non-structural king stud
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Wrong –Excessive length and a vertical angle on this dryer duct reduced air flow allowing the dryer duct to become completely clogged with dryer lint

Wrong –Excessive length and a vertical angle on this dryer duct reduced air flow allowing the dryer duct to become completely clogged with dryer lint
Image:

Wrong--No insulation installed behind fireplace

Wrong--No insulation installed behind fireplace
Video:

Your Northern Home: Air Leakage/ Blower Door Test

Video:

Your Northern Home: Small Space Heater Maintenance