Browse Forums Heating, Cooling & Insulation Re: Four Solar Collectors on a Solahart 300L system? 10Dec 24, 2009 12:15 am Efficiency info based on tech data for actual collectors. Graphs are available showing efficiency versus Ta-Tg gradient. 45% is about water is 60 and outside temp is 10. Ground water temp assumed to be 13 deg. The insolation figure is daily total i.e. 2.23 kWhr/m2/day not instantaneous irradiance. I looked into it a few years ago and my conclusion was to just build a carport that will support panels and get a system installed separately. The company I looked at had… 1 5433 Once you know the basics, the rest is easy. Read my post in the thread linked below. viewtopic.php?p=1919271#p1919271 2 15488 It's all about wireless, self install now. The cost/benefit of wired setups for the house are no longer what they used to be. Lots of wireless options. Eufy, Arlo and… 2 6824 |