Solar space heating is tricky. Air is harder to keep warm than water, and while most of us need a shower on a hot day—we tend to want space heating when the sun is not doing enough for us.

MAX-FLOW DESIGN: Enjoy a dip in the pool even on cold days with our solar powered heater! Featuring an efficient design, the 2" OD headers gives you better water circulation to heat up your inground ...

Heating a pool without a heater may seem like an impossible task, but it can be done. It's all about harnessing the warmth of the sun, and there are some creative ways to do so that might just ...

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 ...