This Old House | HVAC of the Future (S40 E3) | FULL EPISODE

Jeff shows Kevin how he’s framing the net zero house. Richard demonstrates heat loss and gain to design a balanced HVAC system. He and Don visit the International Builders Show. #ThisOldHouse #AskTOH SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse Now that the house is open, Kevin can see the old wiring and plumbing. Jeff shows studs placed farther apart than the traditional practice, decreasing the amount thermal bridges which allow for heat to escape. Kevin helps him build a wall with insulated headers. They also frame the corners differently to allow for more insulation. With a model of the new project house, Richard shows what sun exposure and ventilation can do to a building. He and Donald show the latest technology from the International Builders Show. Now that the project house is opened up inside, Jeff points out a plumbing error made long ago. Electrician Ben Giles shows old knob and tube wiring that was still in use until demo started. He will soon strip out all the old wiring. Join This Old House INSIDER to stream 41 years of This Old House and 18 years of Ask This Old House, access live streaming events with our experts, and enjoy exclusive deals and discounts: bit.ly/TOHInsider Plus, download our app for streaming full episodes to your connected TV, phone or tablet: bit.ly/TOHApp About This Old House TV: This Old House is the No. 1 multimedia home enthusiast brand, offering trusted information and expert advice through award-winning television, a highly regarded magazine, and an information-driven website. This Old House and Ask This Old House are produced by This Old House Ventures, LLC and are presented on PBS by WETA Washington, DC. Follow This Old House and Ask This Old House: Facebook: http://bit.ly/ThisOldHouseFB Twitter: http://bit.ly/ThisOldHouseTwitter http://bit.ly/AskTOHTwitter Pinterest: http://bit.ly/ThisOldHousePinterest Instagram: http://bit.ly/ThisOldHouseIG Tumblr: http://bit.ly/ThisOldHouseTumblr This Old House | HVAC of the Future (S40 E3) | FULL EPISODE https://www.youtube.com/user/thisoldhouse/