Salary guide, May 2025
Industrial Refrigeration (Ammonia) Technician pay in Baltimore-Columbia-Towson, MD
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The median annual wage for Heating, Air Conditioning, and Refrigeration Mechanics and Installers in Baltimore-Columbia-Towson, MD was $63,180 (U.S. Bureau of Labor Statistics, OEWS, May 2025). The middle half of workers earned between $53,130 and $84,950.
The Baltimore-Columbia-Towson, MD median is $2,170 above the national median of $61,010, both from BLS May 2025.
Broader occupation · SOC 49-9021 Heating, Air Conditioning, and Refrigeration Mechanics and Installers
The Industrial Refrigeration (Ammonia) Technician title maps to the published occupation. BLS does not separate this process, credential, shift or plant-specific title from other work in the occupation.
What should you know about baltimore-Columbia-Towson, MD?
| 10th | 25th | Median | 75th | 90th |
|---|---|---|---|---|
| $45,040 | $53,130 | $63,180 | $84,950 | $103,320 |
| 10th | 25th | Median | 75th | 90th |
|---|---|---|---|---|
| $21.65 | $25.54 | $30.38 | $40.84 | $49.67 |
BLS estimated 3,960 workers employed in this occupation in Baltimore-Columbia-Towson, MD. Location quotient: 1.11.
What should you know about united States?
| 10th | 25th | Median | 75th | 90th |
|---|---|---|---|---|
| $40,050 | $48,360 | $61,010 | $77,060 | $95,210 |
| 10th | 25th | Median | 75th | 90th |
|---|---|---|---|---|
| $19.25 | $23.25 | $29.33 | $37.05 | $45.78 |
What should you know about role pay against all occupations here?
The published Industrial Refrigeration (Ammonia) Technician median is $63,180. The all-occupations median in Baltimore-Columbia-Towson, MD is $59,070. Ratio: 1.07 (role median divided by all-occupations median, same units, BLS May 2025). Location quotient 1.11 measures how concentrated this occupation's employment is here against the nation. It is not a wage index.
What should you know about two BLS releases?
| Release period | 25th | Median | 75th |
|---|---|---|---|
| May 2024 | $50,270 | $62,000 | $78,060 |
| May 2025 | $53,130 | $63,180 | $84,950 |
These are two separate BLS estimates from different survey panels. The workers and employers behind them differ, so the gap is not like-for-like pay for the same workers and is not a growth rate. We show no percentage change.
Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025. SOC 49-9021 Heating, Air Conditioning, and Refrigeration Mechanics and Installers, Baltimore-Columbia-Towson, MD. Official occupation data · Official area tables. Released 2026-05-15.
Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025. SOC 49-9021 Heating, Air Conditioning, and Refrigeration Mechanics and Installers, U.S.. Official occupation data · Official area tables. Released 2026-05-15.
What should you know about nearby areas?
| Area | Median | 25th to 75th |
|---|---|---|
| York-Hanover, PA | $61,970 | $49,220 to $74,640 |
| Gettysburg, PA | $60,530 | $52,180 to $70,970 |
All roles in Baltimore-Columbia-Towson, MD · National page · Industrial Refrigeration (Ammonia) Technician ranked across metros