Air Handler Closet Retrofit Description Guide describing repair and reconfiguration of air handler closet and platform when replacing air handler.
Duct Leakage to Outdoors Description Guide describing how to conduct duct leakage tests on all components of the HVAC system (including the air handler, ductwork, register boxes/boots, and all air devices such as diffusers, registers, or grilles).
Sealed and Insulated Fiber Board Ducts Description Guide describing how to air seal and insulate fiber board ducts.
Sealed and Insulated Flex Ducts Description Guide describing how to air seal and insulate flex ducts.
Sealed and Insulated Metal Ducts Description Guide describing how to air seal and insulate metal ducts.
Total Duct Leakage Tests Description Guide describing how to conduct duct leakage tests per RESNET protocols.