State comparison · 2025
Heating, Air Conditioning, and Refrigeration Mechanics salary: Connecticut vs Illinois
Heating, Air Conditioning, and Refrigeration Mechanics in Illinois earn a median of $77,410. In Connecticut, $76,610. After cost-of-living, the gap is 4.5% — not 1%.
Nominal pay gap
-1%
Connecticut vs Illinois
COL-adjusted gap
-4.5%
After BEA Regional Price Parities
Connecticut
Heating, Air Conditioning, and Refrigeration Mechanics
- Median
- $76,610
- p25
- $60,360
- p75
- $86,650
- p10
- $45,280
- p90
- $100,160
- COL index (BEA RPP)100 = US average
- 103.6
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
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.