Ask This Old House home technology expert Ross Trethewey visits an offgrid home in South Carolina that’s testing commercial HVAC equipment.
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The chiller that efficiently moves heat was manufactured by Multiaqua (http://www.multiaqua.com). The hot and cold storage tanks are manufactured by CALMAC (http://www.calmac.com).

Additional assistance with this project was provided by Old Sturbridge Village (https://www.osv.org)

About Future House:
Ask This Old House home technology expert Ross Trethewey shows you the newest smarthome innovations. From automated home construction to energy monitors to robotic solar panels, and more, find out what’s happening now and what’s coming in applied home science.

About Ask This Old House TV:
Homeowners have a virtual truckload of questions for us on smaller projects, and we're ready to answer. Ask This Old House solves the steady stream of home improvement problems faced by our viewers—and we make house calls! Ask This Old House features some familiar faces from This Old House, including Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, and landscape contractor Roger Cook.

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Living Off the Grid Comfortably | Future House | Ask This Old House
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