State comparison · 2025
Heating, Air Conditioning, and Refrigeration Mechanics salary: Illinois vs Mississippi
Heating, Air Conditioning, and Refrigeration Mechanics in Illinois earn a median of $77,410. In Mississippi, $48,680. After cost-of-living, the gap is 38.3% — not 59%.
Nominal pay gap
+59%
Illinois vs Mississippi
COL-adjusted gap
+38.3%
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
Mississippi
Heating, Air Conditioning, and Refrigeration Mechanics
- Median
- $48,680
- p25
- $39,630
- p75
- $61,390
- p10
- $36,160
- p90
- $76,240
- COL index (BEA RPP)100 = US average
- 87.0
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.