Heliodyne is a leading U.S. manufacturer of solar water heating equipment.Our offices and manufacturing plant are located in the beautiful San Francisco Bay Area. We manufacture and assemble a variety of solar water heating products. They encompass not only flat plate collectors, but heat transfer appliances as well. All of our collectors and heat transfer appliances are SRCC certified, ensuring that our products are built to the highest standards.The equipment we manufacture is suitable for all applications including residential, commercial, and industrial purposes.Dedicated to making solar hot water the most widely-used form of energy for heating water.Heliodyne™ has been a pioneer in solar hot water since 1976. Through innovative design, superb product lines, and dedicated service & support, we've become an industry leader that you can trust.Heliodyne is committed to focus purely on solar hot water, allowing us to be a true specialist in the industry. We strive for Excellence by Design™, where excellence is a standard applied to everything we do. And design is not only in our products, but all other aspects of our business such as production, distribution, customer support, and sales.

Manufacturer of solar energy equipment. Solar energy equipment includes solar flat plate collectors, water storage tanks, thermal controllers & solar water heaters. Solar water heaters are available in closed loop glycol & open loop drain back type. Solar energy equipment are available for residential, commercial, industrial, indoor & outdoor swimming pool applications. Services include performance simulation with F chart software, system design reviewing, & mechanical engineering support.