Guides A-Z

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 air-sealing of the seams and holes in HVAC air handler and furnace cabinets.

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 attic access panels, doors, and stairs to provide a continuous air barrier at the ceiling.

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 common walls between dwelling units in multifamily housing.

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

Guide describing how to air-seal around recessed light fixtures below unconditioned space.

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 how to air-seal the rough openings around doors and windows.

Guide describing how to increase insulation in existing homes by installing batt insulation on the ceiling plane of a vented attic.

Guide describing blown insulation into exterior wall cavities of existing homes with minimal disruption to occupants.

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

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

Guide describing how to insulate and air-seal dropped ceilings and soffits to prevent air leakage.

Guide describing how to conduct duct leakage tests on all components of the HVAC system (including the air handler, ductwork, register boxes/boots, and all air devices such as diffusers, registers, or grilles).

Guide describing buried ducts in loose-fill attic insulation, a method that can only be used in dry climates.

Guide that illustrates how and when to encapsulate ductwork in unconditioned attics, increases the R-value of duct insulation, mitigating condensation issues and reducing air leakage.