Hot water tank heated by wood burning stove. From Teach Nollaig, Tiny house in Ireland. Could be improved by adding a small sterling engine to power a circulation pump, allowing the hot water tank to be up higher [improving pressure]. Also INSULATION!
How To Build a Wood Stove Water-Heating Attachment - As oil, gas and electricity prices will no doubt rise soon, we get more and more messages asking about how to combat it and asking about heating water with wood stoves. Here is a great project for you.
A water heater's energy efficiency is determined by the energy factor (EF), which is based on the amount of hot water produced per unit of fuel consumed over a typical day. The higher the energy factor, the more efficient the water heater.
DIY Solar Water Heating You can install a solar hot water kit yourself to supplement your existing system and save on energy costs. The system will often pay for itself in several years. I'm going to have solar panals
Build A Woodstove Water-Heating Attachment - Do It Yourself
Attach to the side of your woodstove, then run into your electric water heater. Or a reserve tank for baseboard or radiant floor hot water. Build A Woodstove Water-Heating Attachment - Do It Yourself - MOTHER EARTH NEWS