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Video describing how to seal and insulate flex ducts.

Video describing various ways to bring HVAC ducts installed in an attic within the thermal envelope of the home by insulating the attic or by covering the ducts with spray foam and burying them in fibrous insulation.

Video describing air sealing and insulation for encapsulated ducts.

Video describing how to install transfer grilles.

Video showing the components and design of an unvented, insulated crawlspace that provides a temperate climate for HVAC ducts.

Video describing how to install transfer grilles.

Video describing how to seal air handler cabinet seams.