State comparison · 2025
Heating, Air Conditioning, and Refrigeration Mechanics salary: California vs Illinois
Heating, Air Conditioning, and Refrigeration Mechanics in Illinois earn a median of $77,410. In California, $72,560. After cost-of-living, the gap is 15.3% — not 6.3%.
Nominal pay gap
-6.3%
California vs Illinois
COL-adjusted gap
-15.3%
After BEA Regional Price Parities
California
Heating, Air Conditioning, and Refrigeration Mechanics
- Median
- $72,560
- p25
- $58,280
- p75
- $90,780
- p10
- $46,950
- p90
- $109,060
- COL index (BEA RPP)100 = US average
- 110.7
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.