CAPP/USA is a leading supplier and distributor of Process Instrumentation, HVAC (Heating, Ventilating, and Air Conditioning), Boiler, Burner, Flame Safeguard, and Electrical Controls. Since 1950, our mission has been to serve the full needs of our customers. As a leading manufacturer and repairer of HVAC and Process Instrumentation products, our manufacturing activities complement distribution by backing-up product sales with in-depth value-added troubleshooting and engineering expertise.