State comparison · 2025
Heating, Air Conditioning, and Refrigeration Mechanics salary: Illinois vs Washington
Heating, Air Conditioning, and Refrigeration Mechanics in Illinois earn a median of $77,410. In Washington, $75,660. After cost-of-living, the gap is 9.5% — not 2.3%.
Nominal pay gap
+2.3%
Illinois vs Washington
COL-adjusted gap
+9.5%
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
Washington
Heating, Air Conditioning, and Refrigeration Mechanics
- Median
- $75,660
- p25
- $60,170
- p75
- $93,970
- p10
- $48,810
- p90
- $120,360
- COL index (BEA RPP)100 = US average
- 107.0
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.