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| Roof collector temperature at 116 C with outside temperature at -6 C |
Showing posts with label Solar Vacum tubes for passive house hot water. Show all posts
Showing posts with label Solar Vacum tubes for passive house hot water. Show all posts
Sunday, December 18, 2011
Solar vacum tubes working at high tempurate -3 deg celsius outside Temp collector over heating at 116 degree celsius collector temputrate
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