Contractors can price confidently in the field with SmartPrice's digital flat rate price book on their phone or tablet, and customized with their rates and markups. This easy to use price book features pictures, descriptions, quarterly parts updates, and OEM search. Profit Rhino® and Callahan Roach® joined forces, bringing you the best in HVAC, plumbing, and electrical flat rate pricing and technology. Now you can get the best in managed content, in an easy to use app along with support and coa