This is a ZERO ENERGY HEATER, POWERING YOUR HOME with water heating solution, an ideal DIY appliance as ZERO ENERGY GREEN SOLAR HEATER and HOT WATER SOLUTION as DIY item for many Home Owners with limited technical skills. Basic material are easily available Plastic Barrel and Black Pipe. This Solar Heater in conjunction with home heating HDPE black pipe assembly is appropriately economical for many regions of the world. A True innovation on the rural technology for tourism, room heating and many more one can imagine. ... end-less possibilities for CARBON NEUTRAL APPLIANCE, CARBON CREDIT ENHANCEMENT for net ZERO BUILDING DESIGN solutions.
Cheapest and Easiest Solar joining two ends of pipe on to the plastic Barrel, and presto!
A True innovation on the rural technology, One must have product for green revolution!
An entry in GE Ecomagination Challenge you may want to support this idea and spread the skill far and wide.