About Solar Air Heating World Industries Association SAHWIA is the industry association representing the companies engaged in the manufacturing, marketing, installation and sales of solar air heating technologies across Europe and in North America. Its mandate is to promote public awareness on the benefits, applications, and necessity of solar air heating, as well as to help develop the government policies and programs required to support and accelerate the widespread use of solar air heating throughout the world. SAHWIA also administers the Solar A Mark, which is a quality assurance certification designed to guarantee high quality systems in the marketplace. It also ensures that solar air collectors are tested to the relevant test standards. To learn more, visit www.sahwia.org.