Learn how to make solar water heater panels by building this thermosiphon outdoor shower system that can even water your greenhouse. A few years back, a friend donated a Sunvelope solar hot water ...

It took a while to decode the email I received from Carroll Hampleman (you can see why below), but his home made water heater is worth the bother. Mirrors are arranged to reflect and concentrate the ...

Solar heating is a very efficient method of using solar energy, with the ability to absorb 900-1000w/m2 of heat from sunlight, compared to only 200-300w/m2 of electricity that could be generated from ...

Dear Jim: We have teenage daughters who take long showers. Our water heating costs are sky high. We are on a tight budget, but want to use some solar water heating. Is there a do-it-yourself system we ...

The author uses a pump with a garden hose outlet to supply water to a mounted showerhead. Construct a simple, inexpensive rainwater shower system heated with an off-grid solar water heater. If you ...

The crows started it. I noticed that they often played in the puddle that formed in a rock garden next door when it rained. I like the crows; they’ve rewarded my frequent conversation attempts with ...

A British-Indian research group has developed an active cooling technique that is claimed to improve a PV system’s yield by around 0.5%. The system could be used in residential solar arrays and the ...

To boil water using the Sun, we typically burn fossil fuels carrying several-hundred-million-year-old solar energy that was extracted from underground at great expense. It’s kind of Rube-Goldbergian.