while searching for ways to build my own solar panels for heating water. I believe I saw that you were using the parabolic system to heat po...

Hello Carlos and thank you for your interest in my book. My answers are below: On 12/14/2011 08:06 PM, carlos e wrote: Hello Mr George,h...

Two types of solar thermal collectors are in common use. The parabolic trough concentrator (example mounted on the right side of the solar ...