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Right - This ceiling-mounted mini whole-house fan has built-in insulated covers to reduce heat loss when the fan is not in use

Right - This ceiling-mounted mini whole-house fan has built-in insulated covers to reduce heat loss when the fan is not in use
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Right - This duct penetration is properly flashed and integrated with the taped, foil-faced foam sheathing layer, which serves as the air and water barrier

Right - This duct penetration is properly flashed and integrated with the taped, foil-faced foam sheathing layer, which serves as the air and water barrier
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Right - This opening in the foundation wall around this pipe was filled with wire mesh then sealed with spray foam to prevent rodent and insect entry

Right - This opening in the foundation wall around this pipe was filled with wire mesh then sealed with spray foam to prevent rodent and insect entry
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Right – Attic access hatch has been properly insulated by attaching a fiberglass batt, gasketed, and opening has blocking

Right – Attic access hatch has been properly insulated by attaching a fiberglass batt, gasketed, and opening has blocking
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Right – Attic access door has foam and rubber weatherstripping installed that remains in contact when closed.

Right – Attic access door has foam and rubber weatherstripping installed that remains in contact when closed.
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Right – Backer-rod is a foam product available in various diameters that can be used to air-seal openings around doors and windows.

Right – Backer-rod is a foam product available in various diameters that can be used to air-seal openings around doors and windows.
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Right – Blocking has been installed around the perimeter of this attic access to prevent insulation falling into the house

Right – Blocking has been installed around the perimeter of this attic access to prevent insulation falling into the house
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Right – Bug screening keeps out insects and pests, allowing homeowners to enjoy the porch year round.

Right – Bug screening keeps out insects and pests, allowing homeowners to enjoy the porch year round.
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Right – Chase capped with rigid air barrier and duct work penetrations properly sealed

Right – Chase capped with rigid air barrier and duct work penetrations properly sealed
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Right – Cleanly cut and properly sized hole

Right – Cleanly cut and properly sized hole
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Right – Fan with a cleanly cut and properly sized hole has been air sealed to drywall

Right – Fan with a cleanly cut and properly sized hole has been air sealed to drywall
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Right – Flex duct register is mastic sealed to framing

Right – Flex duct register is mastic sealed to framing
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Right – Foundation drainage mat was installed over the waterproof membrane that covers the sealed crawlspace window

Right – Foundation drainage mat was installed over the waterproof membrane that covers the sealed crawlspace window
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Right – Insulation installed behind fireplace prior to air barrier installation

Right – Insulation installed behind fireplace prior to air barrier installation
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Right – Kitchen exhaust penetration has been sealed with caulk

Right – Kitchen exhaust penetration has been sealed with caulk
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Right – Neatly cut and sealed penetration

Right – Neatly cut and sealed penetration
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Right – Neatly cut holes have been properly sealed with foam.

Right – Neatly cut holes have been properly sealed with foam.
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Right – Penetrations have been neatly cut and properly sealed with foam

Right – Penetrations have been neatly cut and properly sealed with foam
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Right – The holes for plumbing are neatly cut and properly sealed with foam.

Right – The holes for plumbing are neatly cut and properly sealed with foam.
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Right – The recessed can light penetration is sealed with caulk to the drywall.

Right – The recessed can light penetration is sealed with caulk to the drywall.
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Right – The rough opening around the window has been filled with low-expansion foam to air seal.

Right – The rough opening around the window has been filled with low-expansion foam to air seal.
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Right – The rough opening around window has been filled with backer-rod to air seal.

Right – The rough opening around window has been filled with backer-rod to air seal.
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Right – These neatly cut holes have been properly sealed with caulk and foam.

Right – These neatly cut holes have been properly sealed with caulk and foam.
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Right – This crawlspace window was completely sealed off on the inside and outside with air barrier and water-proof materials and the window well was filled in to an above-grade height to prevent bulk water from entering the crawlspace

Right – This crawlspace window was completely sealed off on the inside and outside with air barrier and water-proof materials and the window well was filled in to an above-grade height to prevent bulk water from entering the crawlspace