The median annual wage for Heating, Air Conditioning, and Refrigeration Mechanics and Installers in St. Louis, MO-IL is $61,880 (May 2024 BLS OES). The mean (average) is $68,560.
Pay spans roughly $41,250 at the 10th percentile to $101,090 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $29.75 per hour. An estimated 3,640 people work as heating, air conditioning, and refrigeration mechanics and installers in St. Louis, MO-IL.
| Median (annual) | $61,880 |
| Mean (annual) | $68,560 |
| Median (hourly) | $29.75 |
| 10th percentile | $41,250 |
| 90th percentile | $101,090 |
| Employment | 3,640 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.