State comparison · 2025
Heating, Air Conditioning, and Refrigeration Mechanics salary: Illinois vs Massachusetts
Heating, Air Conditioning, and Refrigeration Mechanics in Illinois earn a median of $77,410. In Massachusetts, $77,300. After cost-of-living, the gap is 6% — not 0.1%.
Nominal pay gap
+0.1%
Illinois vs Massachusetts
COL-adjusted gap
+6%
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
Massachusetts
Heating, Air Conditioning, and Refrigeration Mechanics
- Median
- $77,300
- p25
- $61,070
- p75
- $95,070
- p10
- $50,820
- p90
- $102,410
- COL index (BEA RPP)100 = US average
- 105.8
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.