Reference
Description
Information sheet with information about insulating and ventilating attics.
Reference
Description
Report describing the use of attic ventilation to control moisture in cathedral roofs and avoid the formation of ice dams.
Guide
Description
Guide describing methods for insulating an unvented attic along the roof line.
Guide
Description
Guide describing how to insulate a vented attic in an existing home using blown insulation added to the attic floor.
Guide
Description
Guide describing how to increase insulation in existing homes by installing batt insulation on the ceiling plane of a vented attic.
Guide
Description
Guide describing options for insulating and air sealing at either the attic floor or along the roof line in new homes.
Guide
Description
Guide providing guidance on insulating attic eaves in new and existing single-family homes and multifamily buildings.
Guide
Description
Guide describing how to apply spray foam insulation to the floor of the attic in existing homes.
Guide
Description
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.
Information Guide
Description
Information guide describing things to consider in the attic, ceiling, or roof before attempting retrofits of items including HVAC, wiring, or structural systems.
Guide
Description
Guide describing how to insulate and air-seal dropped ceilings and soffits to prevent air leakage.
Video
Description
Video describing roof and attic construction for cold climates, including cathedral roof design and insulation strategies, from Cold Climate Housing Research Center.
Guide
Description
Guide describing how to correctly air-seal a wall with missing top plates or open wall cavities.
Guide
Description
Guide describing how to install an efficient kitchen exhaust fan.
Case Study
Description
Case study describing a DOE Zero Energy Ready Home 2017 Housing Innovation Award winner that scored HERS 41 without PV and 8 with PV.
Guide
Description
Guide describing how to air-seal bathroom and kitchen exhaust fans.
Case Study
Description
Case study describing the design and testing of 10 high-performance homes in Farmington, Connecticut.
Guide
Description
Guide describing method for designing and installing ducts in a raised ceiling chase.
Guide
Description
Guide describing how to repair or replace skylights in existing homes.