Several members of the Refrigeration Service Engineers Society (RSES) have earned Certificate Members (CM) status by passing a rigorous examination which tests the knowledge required to install and service refrigeration and air conditioning equipment. CM-level members are recognized industry-wide as having achieved a superior level of HVACR knowledge.

The following RSES members passed the CM exam in January 2003 and were awarded CM status: James D. Coil; Daniel A. Dirr; Joseph C. Knotts; and Patrick D. Scott. All individuals are members of the RSES Greater Cincinnati Chapter in Cincinnati.