https://stream.echo6.co/videos/watch/27180e85-7b39-4231-b705-6e4f4c30cb2f Tom demonstrates how to select and install antique and reproduction door hardware. The guys ask: "What is it?" and Richard shows a homeowner how a geothermal home heating and cooling system works. SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse. Host Kevin O'Connor and general contractor Tom Silva demonstrate how to select and install antique and reproduction door hardware. Then, Kevin and Tom, along with plumbing and heating expert Richard Trethewey and landscaping contractor Roger Cook ask, "What is it?" Afterward, Richard shows a homeowner how a geothermal home heating and cooling system works. Enjoying full-episodes of This Old House? Join This Old House INSIDER to stream every episode ever made of This Old House (over 1,000 hours), commercial-free. https://bit.ly/32CLaGe Want weekly tips, project guides, and behind-the-scenes content from the TOH crew? Sign up for our free newsletter here: https://www.thisoldhouse.com/pages/newsletters Plus, download our FREE app for full-episode streaming to your connected TV, phone or tablet: https://www.thisoldhouse.com/pages/streaming-app Where to find it? Hardware restoration: Restoration Resources [http://www.restorationresources.com] Rejuvenation Classic American Lighting and Houseparts [http:www.rejuvenation.com] Freud [http://www.freudtools.com] Geothermal heat pump: ClimateMaster [http://www.climatemaster.com] About Ask This Old House TV: From the makers of This Old House, America’s first and most trusted home improvement show, Ask This Old House answers the steady stream of home improvement questions asked by viewers across the United States. Covering topics from landscaping to electrical to HVAC and plumbing to painting and more. Ask This Old House features the experts from This Old House, including general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Jenn Nawada, master carpenter Norm Abram, and host Kevin O’Connor. ASK This Old House helps you protect and preserve your greatest investment—your home. Follow This Old House: Facebook: http://bit.ly/ThisOldHouseFB Twitter: http://bit.ly/ThisOldHouseTwitter Pinterest: http://bit.ly/ThisOldHousePinterest Instagram: http://bit.ly/ThisOldHouseIG TikTok: https://www.tiktok.com/@thisoldhouse ASK This Old House | Antique Hardware, Geothermal HVAC (S9 E22) FULL EPISODE https://www.youtube.com/user/thisoldhouse/ Sat, 13 Jun 2026 18:05:14 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/27180e85-7b39-4231-b705-6e4f4c30cb2f 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.