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Report on heating and cooling air-distribution ducts that are insulated, installed close to the ceiling in a vented attic and covered with attic insulation to minimize energy loss.
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 how to air-seal and insulate a ceiling where the insulation is installed on top of the ceiling (on the attic floor) in a vented attic.
A guide for designers, architects, engineers, and fire experts on how to design rainscreen and ventilated cavities such that they don’t contribute to the spread of a fire.
Website providing an online directory of more than 3,600 residential ventilation products lisiting flowrates, sones, watts, and other performance metrics; all listed products have been tested by the Home Ventilating Institute.
Information guide describing the use of attic ventilation fans to mechanically pull outside air through the attic in an attempt to cool the attic, control moisture, and prevent ice dams.
Information guide providing links to guides describing specific ways to air-seal, insulate, and ventilate attics and roofs to minimize heat gain in new and existing homes.