State comparison · 2025
Heating, Air Conditioning, and Refrigeration Mechanics salary: Delaware vs Illinois
Heating, Air Conditioning, and Refrigeration Mechanics in Illinois earn a median of $77,410. In Delaware, $62,320. After cost-of-living, the gap is 19.3% — not 19.5%.
Nominal pay gap
-19.5%
Delaware vs Illinois
COL-adjusted gap
-19.3%
After BEA Regional Price Parities
Delaware
Heating, Air Conditioning, and Refrigeration Mechanics
- Median
- $62,320
- p25
- $53,060
- p75
- $76,740
- p10
- $45,000
- p90
- $97,600
- COL index (BEA RPP)100 = US average
- 99.8
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.