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Author Solar Thermal Collectors / Free Heating
DaveyLC
Member

Registered: 8th Oct 08
Location: Berkshire
User status: Offline
9th Sep 15 at 15:08   View User's Profile U2U Member Reply With Quote

Has anyone seen these before? Its basically a box with a load of drinks cans painted matt black, with the ends removed laying end to end in rows with a baffle/manifold at each end. Air is then forced through the box (normally by a solar powered fan) and its then warmed by the sun.

Video:
https://www.youtube.com/watch?v=QLNViUsRCVU

Has anyone tried this before? I'm seriously tempted to build one of these to keep the summer house from freezing over winter.
spencer88
Member

Registered: 6th Oct 08
Location: cornwall
User status: Offline
9th Sep 15 at 15:13   View User's Profile U2U Member Reply With Quote

Seen similar used on static caravans by people wanting to live more off grid.

Seem to work well, but obviously limited in their use.

 
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