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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
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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 – 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 – Walls studs were cut too short, then not shimmed.

Wrong – Walls studs were cut too short, then not shimmed.
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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 – When insulating with spray foam, care should be taken to completely fill areas around piping and other penetrations to avoid leaving air gaps.

Wrong – When insulating with spray foam, care should be taken to completely fill areas around piping and other penetrations to avoid leaving air gaps.
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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.
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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 has additional non-structural king stud

Wrong – Window has additional non-structural king stud
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Wrong- A tie strap should not be used over the duct outer liner because it can compress the insulation. Tuck in the fibrous insulation and seal the outer liner to the connecting duct with mastic or foil tape (Steven Winter Associates 2013).

Wrong- A tie strap should not be used over the duct outer liner because it can compress the insulation. Tuck in the fibrous insulation and seal the outer liner to the connecting duct with mastic or foil tape (Steven Winter Associates 2013).
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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 chase wall framing and is unsealed in a hallway dropped ceiling chase

Wrong: Drywall does not extend beyond chase wall framing and is unsealed in a hallway dropped ceiling chase
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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: Open wall cavities in the un-air-sealed return plenum connect the plenum to attic spaces

Wrong: Open wall cavities in the un-air-sealed return plenum connect the plenum to attic spaces
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Wrong: open wall cavity connected to this return air plenum is allowing cellulose attic insulation to be pulled into the furnace

Wrong: open wall cavity connected to this return air plenum is allowing cellulose attic insulation to be pulled into the furnace
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Wrong: The door and filter were removed, allowing unfiltered air to enter the air handler leading to premature failure of the system due to dirt accumulation.

Wrong: The door and filter were removed, allowing unfiltered air to enter the air handler leading to premature failure of the system due to dirt accumulation.
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Wrong: The homeowner mistakenly filled in the weep holes in this brick wall with spray foam, preventing drainage from behind the wall

Wrong: The homeowner mistakenly filled in the weep holes in this brick wall with spray foam, preventing drainage from behind the wall
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Wrong: The return plenum is not air sealed to separate it from the wall cavities and it should not be used for storage

Wrong: The return plenum is not air sealed to separate it from the wall cavities and it should not be used for storage
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Wrong: The waterproofing around this hose bib was haphazardly detailed allowing water a pathway to wick behind the siding.

Wrong: The waterproofing around this hose bib was haphazardly detailed allowing water a pathway to wick behind the siding.
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Wrong: This return air plenum is not lined and air sealed

Wrong: This return air plenum is not lined and air sealed
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Wrong: This wall cavity is open to the attic allowing unconditioned, attic air to enter the HVAC system, bypassing the filter, and degrading system life and performance

Wrong: This wall cavity is open to the attic allowing unconditioned, attic air to enter the HVAC system, bypassing the filter, and degrading system life and performance