Using the sun's energy to heat water is a smart and affordable way to go green. A DIY solar water heater can cut your ...

This design is simple yet efficient for solar water heating. For storage tanks in DIY projects, you can repurpose old barrels or even use discarded water heaters. Insulating your storage tank is ...

And that begs a caution for anyone considering a DIY solar water heater: Don't forget to include hoisting it onto the roof, ...

There are a lot of DIY solar water heater designs out there, but you'd be hard-pressed to find one simpler, cheaper, and ...

There are a lot of DIY solar water heater designs out there, but you'd be hard-pressed to find one simpler, cheaper, and easier than this aluminum foil water heater. With a bit of foil and some black ...

Essentially, it allows the water heater to get much hotter during times when solar energy is available, and lets it drop to lower values before running the heater on utility electricity during ...