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Guides A-Z

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 how to apply water management strategies to below grade walls.

Guide describing installation of sump pumps in the basement or crawlspace of a home.

Guide describing how to install slab edge insulation when retrofitting existing slab-on-grade foundations.

Guide describing how to insulate a new foundation wall or an existing foundation wall by adding rigid insulation to the exterior side.

Guide describing how to air seal and insulate the floor above an unconditioned basement or crawl space.

Guide describing sizing and installation of foundation heat exchangers, which can be connected to a heat pump system used for spacing conditioning as well as domestic water heating.

Guide describing how to conduct a home performance assessment before beginning retrofit projects in existing homes.

Guide describing how to upgrade a crawlspace floor in an existing home by adding insulation.

Guide describing how to design HVAC systems to be located within the conditioned space of the home, either in a utility closet or in an air sealed conditioned attic, basement, or crawl space.

Guide describing principles of insulating band joists as a stand alone energy upgrade, or as part of creating a closed crawlspace.

Guide describing how to insulate closed crawlspace walls and band joist areas with rigid foam board insulation.

Guide describing how to insulate an existing slab floor by adding rigid foam insulation over the slab then installing a floating subfloor.

Guide describing how to insulate an existing foundation wall by adding spray foam insulation to the interior side of the wall.

Guide describing the need for covers on sump pumps in the basement or crawlspace of a home.

Guide describing methods for insulating an unvented crawlspace or conditioned basement with rigid foam on the interior side of the walls to provide an insulated space for HVAC equipment.

Guide describing how to retrofit an existing basement floor or slab to reduce moisture issues.

Guide providing information about treating bulk water drainage issues and moisture control measures in existing basements and crawl spaces.