This is an article written by Doug Kalmer about his DIY solar hot water heater:
"This Photovoltaic (PV) pumped hot water system has been working well, with no maintenance, for years on my house.I am now past the point where the money I invested in the solar water heater equals the money I would have spent on electricity to heat water. Most of the year, we have more free hot water than we can use. Consider the fact that in the next five to eight years you are going to pay the cost of a solar water heater,whether you buy one or not. I kept costs down by doing all of the work myself, and buying a used collector panel, but still created a long lasting, efficient, high quality system.
This is an article written by Doug Kalmer about his friend's DIY solar hot water heater, and follows on from his experiences with his own system:
"My 10+ years of success with solar hot water made my friend Bob want a similar system for his new house. Through word of mouth, I heard about someone in Huntsville who had a four panel solar system free for the removal.
It was installed in the early 80`s and heated domestic hot water, had fan coil units for space heating, and heated an inground pool. The systems installed then used electronic controls to operate valves and pumps, commonly the controls develop problems and parts and knowledgeable service techs are hard to find.
This is an article written by Doug Kalmer about his experiences living on solar:
"In 1982 my wife and I bought 34 acres in Tennessee, and started to build our dream home, passive solar space and water heating, earth sheltered, post and beam framed, slipformed stone, with cedar cordwood infilled south wall. We had some money from selling a house I remodeled, but funds were tight, so we did all the work we could ourselves. We hired a track loader to excavate a 25' by 65' recess into a south facing hillside, and then hand dug footer trenches, poured 15 yards of concrete in them, and started slipforming stone walls. We placed locally gathered stone into the forms and mixed concrete with a gas mixer to fill around the stone. Once set up, the form could be moved, using the same forms over and over again to move down the walls.