The easy-to-use UV Select™ sizing App uses project specific measurements to generate UV-C fixturing recommendations that best comply with ASHRAE guidelines for Ultraviolet Surface Treatment. Just simply input the height and width of an air handler’s coil and plenum, and the UV Resources UV Select™ App calculates the appropriate requirements and cost. In its 2011 ASHRAE Handbook, Applications, Chapter 60.8, ASHRAE Technical Committee, TC2.9, established minimum irradiation levels and, this App generates a product selection that ensures the project complies properly with ASHRAEs guidelines.