Spirec has been an industry-leader in the development of compact cylindrical-plate heat exchangers for the commercial and industrial market with more than 25,000 units in use in the USA and Canada and over 150,000 units in use worldwide. Spirec's patented cylindrical-plate heat exchanger utilizes a dimpled plate technology that increases the heat transfer rate and reinforces the interior wall - creating a strong, more compact, and efficient unit.