Building Science Introduction - Air Flow Description Information guide providing background information about air flow in residential buildings.
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.
Pre-Retrofit Assessment of Existing HVAC Systems Description Information guide describing considerations for before retrofitting HVAC systems, retrofit scope considerations, and HVAC system replacement options.
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.