Exclude Helpers (H865) and Plumbers (E585).
Install and repair cooling, heating, and refrigeration equipment in industrial and commercial buildings. Put motors, compressors, absorption equipment, evaporators, fuel pipes, air ducts and other components in place following blueprints and design specifications. Check equipment, perform routine maintenance, diagnose malfunctions, and replace or repair defective or worn parts.
Last modified: October 16, 2001