Excellent method for heating your water off the grid. This method is not only very efficient as it uses what would otherwise be waste heat being directed out through the stack, but it also works in much the same way as a hot water on demand system or a solar water heating system. This concept can even be directly incorporated into your current solar water heating system or as a separate stand-alone in the kitchen or workshop. Keep your mind open and remember to improvise!
Sun Roof: Solar Panel Shingles Come Down in Price, Gain in Popularity
Cool! Sun Roof: Solar Panel Shingles Come Down in Price, Gain in Popularity ~~ Photovoltaic roof shingles, which are tax-subsidized and easier to install than bolt-on panels, have become a viable option for homeowners looking to lower their electric bills