Guides A-Z

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

Guide describing buried ducts in loose-fill attic insulation, a method that can only be used in dry climates.

Guide that illustrates how and when to encapsulate ductwork in unconditioned attics, increases the R-value of duct insulation, mitigating condensation issues and reducing air leakage.