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Guides A-Z

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

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

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 for 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 the gap between the drywall shaft wall (i.e., common wall) and the structural framing between units in multifamily housing.

Guide describing how to air seal around plumbing and other piping.

Guide describing how to air seal around recessed light fixtures. 

Guide describing how to air seal sill plates in new and existing homes.

Guide describing how to air seal a whole-house fan system.

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

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

Guide describing options for designing/locating the thermal boundary in new and existing homes.

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 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.

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

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 ways to reduce access to bugs, rodents and other pests through openings in a home.

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

Guide describing how to air seal and insulate flex ducts.

Guide describing how to air seal and insulate metal ducts.

Guide describing how to air seal around duct shafts and flues installed through ceilings, walls and flooring in new and existing homes.

Guide describing insulation techniques for skylight shaft walls.

Guide describing how to install stucco over rigid foam insulaiton in new and existing homes.

Guide describing how to conduct duct leakage tests per RESNET protocols.

Guide describing methods for insulating an unvented attic along the roof line.

This guide describes how to install a rigid air barrier to separate the porch attic from the conditioned space. 

This guide describes how to install a rigid air barrier to walls behind fireplaces.

Guide describing wind washing and how to prevent it.