1' x 8' Enersol Solar Pool Heater w/Hardware Enersol's easy-to-install solar pool heating panels ensure warmer pool temperatures of up to 15, with no heating bills. So versatile they can be put anywhere the sun shines. The Solarprene rubber is completely resistant to pool chemicals, harsh UV rays and extreme hot and cold temperatures Pool water is pumped using your existing pool pump to the panels raising your water temperature. Temperature increases have averaged 10-15 when properly sized.