wood burning swimming pool heater demo
November 7, 2009 by Swimming Pool Fanatic · Leave a Comment
eco frienldy swimming pool heating system with fast results from h2ofun.co.uk
FRESNEL LENS SUN COLLECTOR Heating a Swimming Pool with the Sun Solar Swimming Pool Heater
September 15, 2009 by Swimming Pool Fanatic · 25 Comments
This video show how a Fresnel Lens can be used to generate heat in water for a pool. It also illustrates the inability to heat water only. and the need for a dark target. The heat sink used in this video falls short of being a true dark object but the green color looked cool.