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Guides A-Z

Guide describing repair and reconfiguration of air handler closet and platform when replacing air handler.

Guide describing air sealing of the seams and holes in HVAC air handler and furnace cabinets.

Guide describing design and installation of compact duct systems for central heating and cooling systems.

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).

Guide describing how to thoroughly seal HVAC ducts to ensure air delivery without leakage, and to ensure economical and quiet performance of the HVAC system.

Guide describing how to air seal and insulate fiber board ducts.

Guide describing how to air seal and insulate flex ducts.

Guide describing how to conduct duct leakage tests per RESNET protocols.