Air Sealing the Air Handler Closet Description Guide describing the repair and reconfiguration of the air handler closet and platform when replacing the air handler.
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.
High-MERV Filters Description Guide describing the uses, selection process, and specification of high-MERV filters.
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.