Building Science Introduction - Air Flow Description Information guide providing background information about air flow in residential buildings.
ECM Air Handler Fans Description Guide describing the use of electronically commutated motors (ECMs) in HVAC central air handler fans to reduce power consumption compared to a single-stage fan motor.
Pre-Retrofit Assessment of Ventilation Systems Description Guide describing how to evaluate existing ventilations systems before performing home upgrades.
Whole House Ventilation Strategies for Existing Homes Description Guide describing how to select and install whole-house ventilation systems for existing homes.
Whole-House Dehumidification Description Guide describing options for adding dehumidification equipment to a home to maintain indoor relative humidity below 60%.
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.