Reference
Description
Information sheet with HVAC duct insulation, testing, maintenance and performance information.
Reference
Description
Report describing the sealing and insulating of HVAC duct systems in existing homes.
Reference
Description
Manual showing duct cleaning contractors how to identify the different types of insulated air ducts, how to open each type for access by cleaning equipment and personnel, how to close and seal openings after cleaning.
Reference
Description
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
Description
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
Description
Guide describing how to air-seal duct and flue shafts.
Case Study
Description
Case study describing how using buried and/or encapsulated ducts can reduce duct thermal losses in existing homes.
Case Study
Description
Case study describing the New American Home project.
Reference
Description
Document covering the technical aspects of buried and insulated ducts (BEDs), as well as the advantages, disadvantages, and risks of BEDs compared to alternative strategies.
Case Study
Description
Case study describing a building project in the hot-humid climate zone.
Case Study
Description
Case study describing a building project in the hot-humid climate zone.
Guide
Description
Guide describing how to correctly install flex ducts without excessive coils or loops.
Case Study
Description
Case study describing how a properly designed duct system is essential for keeping a home comfortable, managing indoor air quality, and maximizing the performance of heating and cooling equipment.
Reference
Description
Report evaluating opportunities to improve and streamline delivery of residential retrofit measures.
Guide
Description
Guide describing how to air seal around duct shafts and flues installed through ceilings, walls, and flooring in new and existing homes.
Guide
Description
Guide describing method for installing ducts in a duct chase in a dropped ceiling.
Reference
Description
Research study comparing TRNSYS Type 604 pipe model against laboratory pipe heat loss test data and detailed field monitoring data.
Case Study
Description
Case study describing a whole-house, deep energy retrofit project in the marine climate.
Case Study
Description
Case study describing the retrofit of a leaky air handler.
Guide
Description
Guide describing air-sealing of the seams and holes in HVAC air handler and furnace cabinets.
Guide
Description
Guide describing how to thoroughly seal HVAC ducts to ensure air delivery without leakage, and to ensure economical and quiet performance of the HVAC system.
Guide
Description
Guide describing how to upgrade or expand an existing HVAC system.
Guide
Description
Guide describing the repair and reconfiguration of the air handler closet and platform when replacing the air handler.