Quick answer
Heating, Air Conditioning, and Refrigeration Mechanics and Installers in Illinois earned a median of $77,410 a year ($37.21 an hour) in May 2025, 27% above the national median of $61,010; 9,740 were employed there, ranking #3 of 54 states and territories by median pay, per BLS OEWS.
Data as of May 2025. Source: U.S. Bureau of Labor Statistics, OEWS May 2025
| Measure | Illinois | United States |
|---|---|---|
| Median annual wage | $77,410 | $61,010 |
| Mean annual wage | $77,570 | $64,780 |
| Median hourly wage | $37.21 | $29.33 |
| 10th percentile | $46,690 | $40,050 |
| 25th percentile | $60,200 | $48,360 |
| 75th percentile | $96,030 | $77,060 |
| 90th percentile | $117,550 | $95,210 |
| Employment | 9,740 | 409,670 |
| Jobs per 1,000 | 1.597 | — |
| Location quotient | 0.61 | 1.00 |
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Last updated 2026-10-16. Data only, not financial or tax advice.