What quality assurance programs do you have in place?

The 19XR/XRT is Underwriters Laboratories (UL) listed (CUL for Canada). Also the refrigerant side of the chiller is designed and built in accordance with ASME requirements, assuring pressure vessel integrity. The chiller is built in conformance with the latest version of ASHRAE 15 safety code for mechanical refrigeration units. The 19XR/XRT is also built in Carrier's ISO 9001 listed manufacturing facility.