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 ...

Your electric water heater uses a lot of electricity overnight. Shifting it to soak up solar could be a win-win.

“It was still working when we sold the house 10 years later.” But today, hardly anyone is using these solar water heaters ...

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 YouTuber @sergiyyurko2110's aluminum foil water heater. With a bit ...