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.
Reference
Description
Report on the use of vapor diffusion ports to reduce moisture issues with buried ductwork in unvented attics in hot-humid climates.
Case Study
Description
Case study describing compact buried ducts in hot-humid climate homes.
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 approaches to burying and encapsulating ducts in unconditioned attics to increase the overall R-value of duct insulation.
Reference
Description
Guide providing information on controlling attic ductwork sweating.
Reference
Description
Article describing how insulating and air sealing unfinished attic spaces can lead to reduced energy bills in some homes.
Reference
Description
Guide providing information on controlling attic ductwork sweating.
Presentation
Description
Presentation with technical training covering several possible approaches to locating ducts within the home’s air and thermal barriers, and then dig into design considerations and details for the spray foam encapsulation approach.
Reference
Description
Conference paper making the case that moving ducts to conditioned space saves energy, is practical for production builders (when accompanied by careful pre-planning), and creates significant andmarketable energy savings for homebuyers.
Case Study
Description
Case study describing a whole-house, deep energy retrofit project in the marine climate.
Case Study
Description
Case study describing new home construction in the hot-humid climate, optimizing thermal enclosure, HVAC, water heating and lighting measures.
Guide
Description
Guide describing air-sealing of the seams and holes in HVAC air handler and furnace cabinets.
Guide
Description
Guide describing how to air-seal duct and flue shafts.
Guide
Description
Guide describing method for installing ducts in a duct chase in a dropped ceiling.
Guide
Description
Guide describing method for designing and installing ducts in a raised ceiling chase.