Salary guide, May 2025
Industrial Refrigeration (Ammonia) Technician pay in San Francisco-Oakland-Fremont, CA
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The median annual wage for Heating, Air Conditioning, and Refrigeration Mechanics and Installers in San Francisco-Oakland-Fremont, CA was $78,490 (U.S. Bureau of Labor Statistics, OEWS, May 2025). The middle half of workers earned between $61,930 and $101,870.
The San Francisco-Oakland-Fremont, CA median is $17,480 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 san Francisco-Oakland-Fremont, CA?
| 10th | 25th | Median | 75th | 90th |
|---|---|---|---|---|
| $49,180 | $61,930 | $78,490 | $101,870 | $129,380 |
| 10th | 25th | Median | 75th | 90th |
|---|---|---|---|---|
| $23.64 | $29.78 | $37.73 | $48.98 | $62.20 |
BLS estimated 3,980 workers employed in this occupation in San Francisco-Oakland-Fremont, CA. Location quotient: 0.64.
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 $78,490. The all-occupations median in San Francisco-Oakland-Fremont, CA is $74,260. Ratio: 1.06 (role median divided by all-occupations median, same units, BLS May 2025). Location quotient 0.64 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 | $60,560 | $76,760 | $97,930 |
| May 2025 | $61,930 | $78,490 | $101,870 |
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, San Francisco-Oakland-Fremont, CA. 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 |
|---|---|---|
| Vallejo, CA | $67,950 | $54,690 to $80,450 |
| Napa, CA | $84,570 | $64,220 to $102,200 |
All roles in San Francisco-Oakland-Fremont, CA · National page · Industrial Refrigeration (Ammonia) Technician ranked across metros