Viessmann is committed to environmentally friendly manufacturing processes and green heating solutions.  Our solar heating products are the result of more than 30 years of experience.  More than 2 million Viessmann solar collectors have been installed in Germany alone so far.  With Viessmann Solar you are making an investment for the future.  Not only because you are preserving valuable fossil fuels and reducing emissions, but also because Viessmann solar collectors, like all of our products, are highly efficient, long-lasting and of quality construction.