Source 1™ is the exclusive supplier of proprietary service parts and residential accessories for all Johnson Controls Unitary Products residential and light commercial HVAC equipment, including York, Luxaire, Coleman, Fraser-Johnston, and Guardian brands. With 24,000 different part numbers available, Source 1™ also provides a full line of universal replacement parts and supplies for application throughout the HVAC Industry. Source 1™ is a registered trademark of Johnson Controls Unitary Products, headquartered in Norman, Oklahoma. Source 1™ sells to the JCI-UP channel partners, as well as other select customers.