What quality assurance programs do you have in place?

The 19XL 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 19XL is built in accordance with the latest version of ASHRAE 15 safety code for mechanical refrigeration units. The 19XL is also built in Carrier's ISO 9001 listed manufacturing facility.