3 ms·

this fellow added fan cooling to his panels. An immediate net benefit on output (5.5w increased output for 3w of fan) at 60w of output. Then there’s the longev

• friend_and_foe 3y ago
  That guy got me on the solar water heater bandwagon. I plan to build one out quite similar to his, using a thermosiphon rather than active pumping. The downside to this is that the tank must be above the panel, which means it will cast a shadow on the panel at some point during the day, and also added structural complexity to keep a heavy water tank on a roof, but proper placement of the tank will ensure that the shadow gets cast in the summer when heat isn't as much of a hot commodity.