Guide
Description
Guide describing how to air seal and insulate flex ducts.
Guide
Description
Guide describing the use of building cavities as supply or return ducts.
Guide
Description
Guide describing how to air seal and insulate metal ducts.
Case Study
Description
Case study showing project and performance data and energy-efficiency measures for a DOE 2017 Housing Innovation Award winning home that was certified to the DOE Zero Energy Ready Home criteria.
Case Study
Description
Case study describing an energy efficient renovation in the cold climate.
Case Study
Description
Case study describing a production builder that achieves HERS scores of 60, compared to 85 for other builders that build new homes to Florida code.
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.
Case Study
Description
Case study describing a four-square Concord home retrofitted by Building Science Corporation in Massachusetts.
Case Study
Description
Case study describing the design and testing of 10 high-performance homes in Farmington, Connecticut.
Guide
Description
Guide describing design and installation of compact duct systems for central heating and cooling systems.
Case Study
Description
Case study describing a DOE Zero Energy Ready Home 2014 Housing Innovation Award winner that scored HERS 45 without PV and 32 with PV and is the first home in the world to use a tri-generation system to supply electricity, heating, and cooling on site.
Guide
Description
Guide describing how to create a designated shelter-from-heat space in a home to help occupants successfully weather an extreme heat event.
Guide
Description
Guide describing the repair and reconfiguration of the air handler closet and platform when replacing the air handler.
Guide
Description
Guide describing how to conduct testing for adequate combustion air in the space where a combustion appliance is located if the appliance is located within the conditioned space of the home.
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 hang HVAC ducts with supporting straps or saddles to adequately support ducts so they do not sag and are not pinched or compressed.
Guide
Description
Guide describing how to correctly install flex ducts without excessive coils or loops.
Guide
Description
Guide describing how to correctly install flex ducts without kinks or sharp bends.
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 the use of building cavities as supply or return ducts.
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 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 ductless heat pump systems used for single-room or whole-house heating and cooling.
Guide
Description
Guide describing refrigerant-based compression-cooling air conditioning systems for space cooling.
Guide
Description
Guide describing how to select and install whole-house ventilation systems for existing homes.
Information Guide
Description
Information guide describing options to consider when retrofitting or upgrading a home's HVAC system.