Salary guide, May 2025
Industrial Refrigeration (Ammonia) Technician pay in Portland-South Portland, ME
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The median annual wage for Heating, Air Conditioning, and Refrigeration Mechanics and Installers in Portland-South Portland, ME was $64,090 (U.S. Bureau of Labor Statistics, OEWS, May 2025). The middle half of workers earned between $59,770 and $78,640.
The Portland-South Portland, ME median is $3,080 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 portland-South Portland, ME?
| 10th | 25th | Median | 75th | 90th |
|---|---|---|---|---|
| $51,970 | $59,770 | $64,090 | $78,640 | $80,960 |
| 10th | 25th | Median | 75th | 90th |
|---|---|---|---|---|
| $24.99 | $28.74 | $30.81 | $37.81 | $38.92 |
BLS estimated 920 workers employed in this occupation in Portland-South Portland, ME. Location quotient: 1.21.
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 $64,090. The all-occupations median in Portland-South Portland, ME is $56,960. Ratio: 1.13 (role median divided by all-occupations median, same units, BLS May 2025). Location quotient 1.21 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 | $53,030 | $62,560 | $75,600 |
| May 2025 | $59,770 | $64,090 | $78,640 |
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, Portland-South Portland, ME. 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 |
|---|---|---|
| Lewiston-Auburn, ME | $67,180 | $58,640 to $80,400 |
| Manchester-Nashua, NH | $73,090 | $56,780 to $78,750 |
All roles in Portland-South Portland, ME · National page · Industrial Refrigeration (Ammonia) Technician ranked across metros