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Guide describing how to air seal and insulate flex ducts.

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

Guide describing how to install a bathroom exhaust fan to remove excess moisture.

Guide describing how to insulate a vented attic in an existing home using blown insulation added to the attic floor.

Guide describing the retrofit of kitchen exhaust systems, including duct sizing and routing considerations.

Guide describing how to apply spray foam insulation to ceilings in existing homes.

Guide describing how to air-seal and insulate a ceiling where the insulation is installed on top of the ceiling (on the attic floor) in a vented attic.

Guide providing guidance on insulating attic eaves in new and existing single-family homes and multifamily buildings.

Guide describing how to install an exhaust fan in an attached garage to pull fumes out of the garage and to depressurize the garage with reference to the home.

Guide describing how to re-roof an existing home with a sloped and add insulation above the roof deck.

Guide describing how to add spray foam insulation to the underside of the existing roof deck as part of the conversion of a vented attic to an unvented, insulated attic.