Related Occupations for Task 49-9021.00 - Heating, Air Conditioning, and Refrigeration Mechanics and Installers 
Inspect and test systems to verify system compliance with plans and specifications or to detect and locate malfunctions.
- 49-9092.00 Commercial Divers
Bright Outlook
- 49-9031.00 Home Appliance Repairers
- 49-9095.00 Manufactured Building and Mobile Home Installers
- 49-3092.00 Recreational Vehicle Service Technicians
- 49-1011.00 First-Line Supervisors of Mechanics, Installers, and Repairers