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Guide describing how to properly test the air barrier between the garage and house, and how to ensure the air barrier is tight enough to prevent garage air from entering the home.

Guide describing how to insulate a basement to improve the overall thermal performance of the building and provide more dry, usable conditioned space for home occupants and HVAC equipment.

Guide describing ways to air-seal an attached garage in new and existing homes.

Guide describing how to air-seal bathroom and kitchen exhaust fans.

Guide describing how to air-seal doors that are next to unconditioned spaces.

Guide describing ways to seal drywall to the top plate of an exterior wall to air-seal the wall cavity.

Guide describing how to air-seal duct and flue shafts.

Guide describing how to air-seal electrical wiring throughout a home.

Guide describing how to air-seal around light tubes.

Guide describing how to air-seal around plumbing and piping penetrations through walls, ceilings, and floors.

Guide describing how to air-seal sill plates in single-family homes and multifamily buildings.

Guide describing the repair and reconfiguration of the air handler closet and platform when replacing the air handler.

Guide describing design and installation of compact duct systems for central heating and cooling systems.

Guide describing how to use a blower door test to determine building envelope air leakage.

Guide describing how to thoroughly seal HVAC ducts to ensure air delivery without leakage, and to ensure economical and quiet performance of the HVAC system.

Guide describing how to correctly air-seal a wall with missing top plates or open wall cavities.

Guide describing how to insulate a floor over an uninsulated basement or crawl space.

Guide describing how to air seal and insulate a non-ICAT recessed "can" light from an accessible attic in an existing home.

Guide describing how to correctly install flex ducts without excessive coils or loops.

Guide describing how to correctly install flex ducts without kinks or sharp bends.

Information guide describing how to balance air pressure in supply and return ducts of a central forced air system to minimize drafts and help provide consistent temperatures from room to room.

Guide describing removal of construction debris from flex ducts and protection of ducts and HVAC equipment during construction to keep them free of dust and debris.

Guide describing how to retrofit an exterior wall and/or attic to provide continuous air sealing.

Guide describing how to air seal and insulate fiber board ducts.

Step 4: Draft Free

Air Leakage Testing Garage to House Air Barrier

Air Sealed, Insulated Basements

Air Sealing Attached Garage

Air Sealing Bathroom and Kitchen Exhaust Fans

Air Sealing Doors Adjacent to Unconditioned Space

Air Sealing Drywall to Top Plate

Air Sealing Duct and Flue Shafts

Air Sealing Electrical Wiring

Air Sealing Light Tubes

Air Sealing Plumbing and Piping

Air Sealing Sill Plates

Air Sealing the Air Handler Closet

Compact Air Distribution

Enclosure Leakage Test

Injected Spray Sealant for Existing HVAC Ducts

Install Top Plates or Blocking at the Top of Walls Adjoining Unconditioned Spaces

Insulating and Air Sealing Existing Floors above Unconditioned Spaces

Insulating and Air Sealing Existing Non-ICAT Recessed Lights

No Excessive Coiled or Looped Flex Ducts

No Kinks or Sharp Bends in Flex Duct Installation

Pressure Balancing Supply and Return Ducts in Existing Homes

Removing Construction Debris from Ducts

Roof/Attic to Exterior Wall Air Control Upgrade

Sealed and Insulated Fiber Board Ducts

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Step 4: Draft Free