Blown Insulation for Existing Vented Attic Description Guide describing how to insulate a vented attic in an existing home using blown insulation added to the attic floor.
Compact Air Distribution Description Guide describing design and installation of compact duct systems for central heating and cooling systems.
Ducts Buried in Attic Insulation Description This guides describes buried ducts in loose-fill attic insulation, a method that can only be used in dry climates.
Ducts Buried in Attic Insulation and Encapsulated Description This guide describes approaches to buryng and encapsulating ducts in unconditioned attics to increase the overall R-value of duct insulation.
Whole-House Fans Description Guide describing the types of whole-house fans, installation details to reduce energy loss, and how to operate them for comfort and energy savings based on climate zone.
Whole-House Ventilation Strategies for New Homes Description This guide describes how to install a whole-building ventilation system to provide adequate dilution of indoor air contaminants.