Salary guide, May 2025
Industrial Refrigeration (Ammonia) Technician pay in Chattanooga, TN-GA
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The median annual wage for Heating, Air Conditioning, and Refrigeration Mechanics and Installers in Chattanooga, TN-GA was $50,950 (U.S. Bureau of Labor Statistics, OEWS, May 2025). The middle half of workers earned between $46,590 and $63,800.
The Chattanooga, TN-GA median is $10,060 below 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 chattanooga, TN-GA?
| 10th | 25th | Median | 75th | 90th |
|---|---|---|---|---|
| $37,160 | $46,590 | $50,950 | $63,800 | $77,020 |
| 10th | 25th | Median | 75th | 90th |
|---|---|---|---|---|
| $17.86 | $22.40 | $24.49 | $30.67 | $37.03 |
BLS estimated 850 workers employed in this occupation in Chattanooga, TN-GA. 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 $50,950. The all-occupations median in Chattanooga, TN-GA is $46,700. Ratio: 1.09 (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 | $45,460 | $49,600 | $62,700 |
| May 2025 | $46,590 | $50,950 | $63,800 |
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, Chattanooga, TN-GA. 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 |
|---|---|---|
| Dalton, GA | $65,560 | $47,880 to $65,850 |
| Rome, GA | $52,040 | $43,880 to $76,140 |
All roles in Chattanooga, TN-GA · National page · Industrial Refrigeration (Ammonia) Technician ranked across metros