Case Study
Description
Case study describing new home construction in the hot-humid climate, optimizing thermal enclosure, HVAC, water heating and lighting measures.
Guide
Description
Guide describing correct ducting for exhaust fans and explaining why each dwelling should have its own exhaust ducting.
Guide
Description
Guide describing the use of building cavities as supply or return ducts.
Guide
Description
Guide describing how and where to install ducts, to ensure enough cavity space to avoid compression of the flex ducts or duct insulation.
Guide
Description
Guide describing how to correctly install flex ducts without kinks or sharp bends.
Guide
Description
Guide describing how to undercut the doors in bedroom walls to balance air pressures between rooms and to enable stale air to return to a central heating system.
Guide
Description
Guide describing the use of building cavities as supply or return ducts.
Guide
Description
Guide describing how to correctly install flex ducts without excessive coils or loops.
Guide
Description
Guide describing how to air seal and insulate metal ducts.
Guide
Description
Guide describing how to thoroughly seal HVAC ducts to ensure air delivery without leakage, and to ensure economical and quiet performance of the HVAC system.
Guide
Description
Guide describing design and installation of compact duct systems for central heating and cooling systems.
Guide
Description
Guide describing how to upgrade or expand an existing HVAC system.
Guide
Description
Guide describing the repair and reconfiguration of the air handler closet and platform when replacing the air handler.
Guide
Description
Guide describing a method for taking accurate measurements of airflow in mechanical ventilation ducts.
Guide
Description
Guide describing how to air seal and insulate flex ducts.
Guide
Description
Guide describing how to air seal and insulate fiber board ducts.
Guide
Description
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
Description
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
Description
Guide describing air-sealing of the seams and holes in HVAC air handler and furnace cabinets.
Guide
Description
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
Description
Guide describing how to install transfer grilles in bedroom walls to balance air pressures between rooms and to enable stale air to return to a central heating system.
Information Guide
Description
Information guide describing how to balance air pressure in supply and return ducts of a central forced air system to minimize drafts and help provide consistent temperatures from room to room.
Guide
Description
Guide describing the use of ducted returns to return stale air from bedrooms and bathrooms to a central heating system.
Guide
Description
Guide describing how to conduct HVAC duct leakage tests for total system duct leakage per RESNET protocols.
Guide
Description
Guide for designing and installing interior ducts in an interstitial floor cavity in new and existing homes.
Guide
Description
Guide describing the retrofit of kitchen exhaust systems, including duct sizing and routing considerations.
Guide
Description
Guide describing how to air-seal duct and flue shafts.
Guide
Description
Guide describing method for installing ducts in a duct chase in a dropped ceiling.
Guide
Description
Guide describing method for designing and installing ducts in a raised ceiling chase.
Information Guide
Description
Information guide describing the concept of air flow in residential buildings and its effects on occupants, building durability, and efficiency.