Heat a Swimming
Pool with a
POOL HEATING with a FRESNEL LENS
I receive viewer mail weekly asking, "With all that heat produced by a Fresnel Lens, can I point a lens at my swimming pool a few hours a day and heat it?" The simple answer is no. Water is clear and any light collected from the Fresnel lens will simply pass the focal point and continue into a wide pattern exiting as reflective light..............Click to read full article.