State comparison · 2025
Heating, Air Conditioning, and Refrigeration Mechanics salary: Illinois vs Missouri
Heating, Air Conditioning, and Refrigeration Mechanics in Illinois earn a median of $77,410. In Missouri, $59,950. After cost-of-living, the gap is 17.2% — not 29.1%.
Nominal pay gap
+29.1%
Illinois vs Missouri
COL-adjusted gap
+17.2%
After BEA Regional Price Parities
Illinois
Heating, Air Conditioning, and Refrigeration Mechanics
- Median
- $77,410
- p25
- $60,200
- p75
- $96,030
- p10
- $46,690
- p90
- $117,550
- COL index (BEA RPP)100 = US average
- 100.0
Missouri
Heating, Air Conditioning, and Refrigeration Mechanics
- Median
- $59,950
- p25
- $47,040
- p75
- $74,610
- p10
- $39,180
- p90
- $88,760
- COL index (BEA RPP)100 = US average
- 90.8
BLS Occupational Employment and Wage Statistics, May 2025. Cost-of-living adjustment from BEA Regional Price Parities (overall index). Hiring velocity from DOL OFLC public disclosure data, recent 180 days vs prior. See methodology.