DOE Efficient New Homes: Multifamily

Guide describing approaches to burying and encapsulating ducts in unconditioned attics to increase the overall R-value of duct insulation.

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

Guide describing the practice of burying HVAC ducts in loose-fill insulation on the attic floor.

Guide describing methods for insulating an unvented attic along the roof line.

Guide describing method for insulating an unvented crawlspace or conditioned basement with rigid foam on the interior side of the walls.

Guide describing a method for insulating an unvented attic by spraying foam insulation along the underside of the roof deck.

Guide describing method for installing ducts in a duct chase in a dropped ceiling.

Guide describing method for designing and installing ducts in a raised ceiling chase.

Guide describing how to design HVAC systems to be located within the conditioned space of the home, either in a utility closet or in an attic, basement, or crawl space.

Guide for designing and installing interior ducts in an interstitial floor cavity in new and existing homes.