Videos

Video describing backdraft dampers.

Video describing how to conduct a residential duct air leakage test, including how to hook up the duct blaster to the return register and how and why to neutralize the pressure of the home. Video 8 of 9.

Video describing how to conduct a residential blower door and duct blaster test, including an efficient method for setting up the blower door equipment and how to set up the fan rings and the manometer. Video 4 of 9.

Video describing how to set up for a residential blower door and duct blaster test, including why to sequence the blower door before the duct leakage test. Video 3 of 9.

Video describing why duct leakage tests including tests total leakage and leakage to the outside are done with the duct blaster set to depressurize rather than pressurize the duct system. Video 9 of 9.

Video describing how to test for duct leakage to the outdoors.

Video describing how to test for duct leakage to the outdoors.

Video describing various ways to bring HVAC ducts installed in an attic within the thermal envelope of the home by insulating the attic or by covering the ducts with spray foam and burying them in fibrous insulation.

Video describing air sealing and insulation for encapsulated ducts.

Video describing the Cold Climate Housing Research Center heat recovery ventilator system.

Video describing mini split ductless heat pumps.

Video from Home Innovation Research Labs on how to install flashing around HVAC ductwork through an exterior wall.

Video describing proper flex duct installation.

Video describing how to properly install flex ducts.

Video describing how to seal and insulate flex ducts.

Video describing how to properly support at intervals for flex ducts.

Video describing how to properly seal ducts.

Video describing how to install transfer grilles.

Video describing a combination heat and hot water system that pumps hot water through a coil in the air handler to distribute through the house.