Building Science Introduction - Heat Flow Description Information guide providing background information about heat flow in residential buildings.
Combustion Furnaces Description Guide describing combustion furnaces with selection and installation guidance.
Pre-Retrofit Assessment of Ventilation Systems Description Guide describing how to evaluate existing ventilations systems before performing home upgrades.
Attic Ventilation Fans Description Guide describing the use of attic ventilation fans to mechanically pull outside air through the attic in an attempt to cool the attic, control moisture, and prevent ice dams.
Pre-Retrofit Assessment of Combustion Appliances Description Information guide describing things to consider before attempting retrofits including any combustion appliances, or that may affect them.
Whole-House Ventilation Strategies for New Homes Description This guide describes how to install a whole-building ventilation system to provide adequate dilution of indoor air contaminants.
Fireplaces and Wood Stoves Have Proper Ventilation Description Guide describing how to provide combustion air for fireplaces and how to test fireplaces for combustion safety.
Ventilation and Exhaust Strategies for Multifamily Housing Description This guide presents central and individual dwelling unit ventilation and exhaust strategies for multifamily construction.
Emergency Air Conditioning and Food Refrigeration Description Guide describing methods for providing space cooling and refrigeration during extreme heat events and/or power outages.
Creating a Cool Room for Extreme Heat Events Description Guide describing how to create a designated shelter-from-heat space in a home to help occupants successfully weather an extreme heat event.
Cold Climate Heat Pump Sizing and Selection Description Guide describing sizing methods for cold climate heat pumps.
Condensing Boilers Description Guide describing condensing boilers and hot water heat distribution systems used for home heating.
Gas-Fired Boilers Description Guide describing gas-fired boilers and hot water heat distribution systems used for home heating.
Direct Vent Equipment Description Guide describing categories of direct-vent combustion space- and water-heating equipment and combustion safety testing.