This is a brilliant diy hack for creating an off grid water heater with just a simple handmade rocket stove water barrel and copper pipes.
Diy copper coil solar water heater.
Comparing the performance of two diy solar water heating collectors cpvc vs copper sometime back i had a brief go at a solar water heating collector made from cpvc with aluminum fins.
Reached 125f in 5 minutes and near 175f after about 15.
Uses just one coil of 3 8 copper tubing amazon 23 and push to fit connectors.
Apr 22 2018 diy solar water heater.
Solar thermal aluminum backed copper coil water heater.
Super hot temps sustained at 165f.
Easy diy w full instructions.
Bending copper tubing can be a tricky process but with a little water and hot glue solar heat exchangers are easy to make.
Only tools used were screwdriver hammer tin snips or scissors hack saw and a.
At the time it seemed interesting but not as good as some of the other options for building collectors.
Super hot water super fast.
A homemade flat panel copper coil solar water heater.
It simply wouldn t have enough time to heat up before it got sent to the pool.
To solve this i installed an outdoor timer to my pool pump.