Evaluation
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Guide:
Enclosure Leakage Test
DescriptionGuide describing how to use a blower door test to determine building envelope air leakage.
Ceilings and Floors
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DescriptionGuide describing how to air-seal duct and flue shafts. -
DescriptionGuide describing how to air-seal around plumbing and piping penetrations through walls, ceilings, and floors. -
DescriptionGuide describing how to air-seal electrical wiring throughout a home. -
DescriptionGuide describing how to air-seal bathroom and kitchen exhaust fans. -
Guide:
Whole-House Fans
DescriptionGuide describing the types of whole-house fans, installation details to reduce air leakage, and ways to operate them for comfort and energy savings based on climate zone. -
DescriptionGuide describing how to air-seal around recessed light fixtures below unconditioned space. -
DescriptionGuide describing how to air-seal attic access panels, doors, and stairs to provide a continuous air barrier at the ceiling.
Walls
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DescriptionGuide describing ways to seal drywall to the top plate of an exterior wall to air-seal the wall cavity. -
Guide:
Air Sealing Sill Plates
DescriptionGuide describing how to air-seal sill plates in single-family homes and multifamily buildings. -
DescriptionGuide describing how to correctly air-seal a wall with missing top plates or open wall cavities. -
Guide:
Air Sealing Attached Garage
DescriptionGuide describing ways to air-seal an attached garage in new and existing homes. -
DescriptionGuide describing the air-sealing of rim joists on walls connecting homes and attached garages.
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DescriptionGuide describing how to air-seal doors that are next to unconditioned spaces. -
DescriptionGuide describing how to air-seal the rough openings around doors and windows.