State comparison · 2025
Heating, Air Conditioning, and Refrigeration Mechanics salary: Illinois vs Maryland
Heating, Air Conditioning, and Refrigeration Mechanics in Illinois earn a median of $77,410. In Maryland, $70,020. After cost-of-living, the gap is 16.1% — not 10.6%.
Nominal pay gap
+10.6%
Illinois vs Maryland
COL-adjusted gap
+16.1%
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
Maryland
Heating, Air Conditioning, and Refrigeration Mechanics
- Median
- $70,020
- p25
- $56,280
- p75
- $95,790
- p10
- $46,180
- p90
- $106,740
- COL index (BEA RPP)100 = US average
- 105.0
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.