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

However, since the water tank in this setup is not insulated, natural limits are imposed. Nevertheless, this impressive DIY project illustrates how solar energy can be harnessed in an ...

Installing solar power ... Effectively the water heater becomes another type of battery in [Rogan]’s home, capable of storing energy at least for the day in the form of hot water.

[Darrell]’s idea was simple enough. He hooked up solar panels to just the bottom heating element of his hot water heater. This cut his power bill in half. His calculator is now up at pvh20.com ...