Heating, Air Conditioning, and Refrigeration Mechanics and Installers
O*NET-SOC 49-9021.00 · interest code RCI
Install or repair heating, central air conditioning, HVAC, or refrigeration systems, including oil burners, hot-air furnaces, and heating stoves.
How this work is wired
O*NET rates every occupation 1-7 on six interest dimensions. This one leans Realistic — hands-on, physical, practical work with tools, machines, plants or animals — then Conventional and Investigative.
Preparation typically needed
Job Zone 3 — medium preparation — often vocational training, an associate degree or apprenticeship.