Watch the full episode: https://www.thisoldhouse.com/toh/tv/video/0,,20961004,00.html
In this video, Ask This Old House plumbing and heating expert Richard Trethewey takes host Kevin O’Connor on a tour of Germany with an eye toward renewable energy and sustainable home heating.
Watch the new season of Ask This Old House: https://www.thisoldhouse.com/toh/tv/ask-toh/video/0,,,00.html
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Post time: Jan-05-2018