State comparison · 2025
Heating, Air Conditioning, and Refrigeration Mechanics salary: Illinois vs South Carolina
Heating, Air Conditioning, and Refrigeration Mechanics in Illinois earn a median of $77,410. In South Carolina, $56,610. After cost-of-living, the gap is 28.1% — not 36.7%.
Nominal pay gap
+36.7%
Illinois vs South Carolina
COL-adjusted gap
+28.1%
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
South Carolina
Heating, Air Conditioning, and Refrigeration Mechanics
- Median
- $56,610
- p25
- $46,560
- p75
- $62,990
- p10
- $39,170
- p90
- $75,530
- COL index (BEA RPP)100 = US average
- 93.7
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.