https://stream.echo6.co/videos/watch/5640b43f-4f6a-4961-9f6f-b5e40bbb96bd Richard demonstrates heat loss and gain to design a balanced HVAC system. #ThisOldHouse #AskTOH SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse With a model of the new project house, he shows what sun exposure and ventilation can do to a building. Richard demonstrates heat loss and gain to design a balanced HVAC system. With a model of the new project house, he shows how sun exposure, wind, and ventilation will affect the heating and cooling of the building. 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 WGBH Boston. 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 How to Create a House HVAC Plan | This Old House https://www.youtube.com/user/thisoldhouse/ Fri, 15 May 2026 22:46:35 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://stream.echo6.co https://stream.echo6.co/client/assets/images/icons/icon-512x512.png https://stream.echo6.co/videos/watch/5640b43f-4f6a-4961-9f6f-b5e40bbb96bd All rights reserved, unless otherwise specified in the terms specified at https://stream.echo6.co/about and potential licenses granted by each content's rightholder.