State comparison · 2025
Heating, Air Conditioning, and Refrigeration Mechanics salary: Illinois vs Pennsylvania
Heating, Air Conditioning, and Refrigeration Mechanics in Illinois earn a median of $77,410. In Pennsylvania, $62,400. After cost-of-living, the gap is 21.1% — not 24.1%.
Nominal pay gap
+24.1%
Illinois vs Pennsylvania
COL-adjusted gap
+21.1%
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
Pennsylvania
Heating, Air Conditioning, and Refrigeration Mechanics
- Median
- $62,400
- p25
- $50,840
- p75
- $74,620
- p10
- $45,970
- p90
- $89,440
- COL index (BEA RPP)100 = US average
- 97.6
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.