Welcome to America's largest online reseller of Europe's best solar water heating components. From Germany's Tinox absorbers to Sweden's SWEP stainless steel heat exchangers to ball valves from Italy we offer the world's foremost solar components at incredible prices. This simple animation shows the workings of the system and includes component information via mouse-overs and clicks With five simple variables one can easily customize a system for their home and determine its tax free returns. A heat exchanger affects the system's durability and efficiency. Our heat exchangers have a lifetime warranty and are 92% efficient.