BASC Search

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

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

Guide describing how to install a radon mitigation fan to actively remove radon from the home.

Guide describing the types of whole-house fans, installation details to reduce air leakage, and ways to operate them for comfort and energy savings based on climate zone.

Guide describing how to install back-draft dampers in exhaust fans to make a shared duct possible.

Guide describing methods to keep birds, rodents, and other pests out of vent openings and other locations in new and existing homes.

Guide providing information on how cool roofs and wall cladding surfaces work, which climates can most benefit from them, and how to find and select cool roofs and wall cladding products.

Guide describing how to construct homes and decks to manage heavy snow loads in winter weather.

Guide describing the need to install a plumbing and wiring chase for a future solar hot water installation.

This guide describes the need for installing a wiring conduit for future solar photovoltaic installations.

Guide describing various ways of implementing passive and low-energy cooling techniques for a house.

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

Guide describing how to conduct duct leakage tests per RESNET protocols 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 how to hang HVAC ducts with supporting straps or saddles to adequately support ducts so they do not sag and are not pinched or compressed.

Guide describing method for designing and installing ducts in a raised ceiling chase.

Guide describing proper sizing and installation of high-MERV furnace and air-handler filters.

Guide describing how to install jump ducts in bedroom walls to balance air pressures between rooms, enabling stale air to return of the central air handler, even when room doors are closed.

Guide describing how to apply self-adhered asphaltic membranes at eaves in cold climates to help guard against ice dams.

Guide describing the use of building cavities as supply or return ducts.

Guide describing how to air seal and insulate flex ducts.

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

Guide describing how to air seal and insulate metal ducts.

Guide describing the use of ducted returns to return stale air from bedrooms and bathrooms to a central heating system.

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 attic, basement, or crawl space.

Guide describing options for adding dehumidification equipment to a home to maintain indoor relative humidity below 60%.

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

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

Guide describing ways to retrofit an existing roof to increase its resistance to damage during hurricanes, high winds, and earthquakes.

Guide describing the design and installation of indoor automatic fire sprinklers in homes and apartments.

Guide describing an approach to re-roofing an existing flat roof to improve thermal, water, and air control performance.