As part of Right-Suite® Universal, the Right-SolarDHW software module calculates the performance and operating cost savings of solar domestic hot water heating systems. By integrating the solar option with additional water heating equipment as a backup fuel source, the contractor can instantly produce operating cost comparisons including any statewide or federal tax benefits and incentives. According to the company, the module uses F-Chart calculations, widely accepted as the benchmark design method for solar systems and developed by the Solar Energy Laboratory at the University of Wisconsin. The computations also factor the orientation of the collector types, such as the slope and azimuth, so the contractor can consider what-if scenarios in the placement of the collectors. In combination with a built-in library of solar and weather data, Right-SolarDHW can produce accurate results for any project in any location.

Wrightsoft Corp., 131 Hartwell Ave., Lexington, MA 02421; 800-225-8697;;

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