More ideas from László
This is how I made a really cheap solar pool heater, and it works!  It is a simple coiled hose attached to a wood frame and placed on the hot concrete. The pump is for a pond and moves 900 gallons per hour.  The hose is 3/4" and about 200 foot long.  It will heat the water about 5 degrees above the ambient pool temperature on a partly cloudy day...

This is how I made a really cheap solar pool heater, and it works! It is a simple coiled hose attached to a wood frame and placed on the hot concrete.

Build It Solar, a renewable energy site for do-it-yourselfers, just free ideas, plans and information.

Put solar panels on the back side of the raised pool. Build It Solar, a renewable energy site for do-it-yourselfers, just free ideas, plans and information.

Napkollektor medence fűtő szolár panel 4 m2 Napkollektoros fűtés

Napkollektor medence fűtő szolár panel 4 m2 Napkollektoros fűtés