Geothermal Technicians
Overview
Geothermal Technicians has a national median salary of $49,230 per year, with +2.6% projected job growth from 2025–2035. The Bureau of Labor Statistics lists a high school diploma or equivalent as the typical education needed to enter this occupation.
Description
Perform technical activities at power plants or individual installations necessary for the generation of power from geothermal energy sources. Monitor and control operating activities at geothermal power generation facilities and perform maintenance and repairs as necessary. Install, test, and maintain residential and commercial geothermal heat pumps.
Work Values
- Support
- Achievement
- Working Conditions
Work Styles
Responsibilities
Tasks
- Adjust power production systems to meet load and distribution demands.
- Monitor and adjust operations of geothermal power plant equipment or systems.
- Prepare and maintain logs, reports, or other documentation of work performed.
- Identify and correct malfunctions of geothermal plant equipment, electrical systems, instrumentation, or controls.
- Collect and record data associated with operating geothermal power plants or well fields.
Work Activities
- Getting Information
- Making Decisions and Solving Problems
- Communicating with Supervisors, Peers, or Subordinates
- Controlling Machines and Processes
- Operating Vehicles, Mechanized Devices, or Equipment
- Handling and Moving Objects
- Identifying Objects, Actions, and Events
- Organizing, Planning, and Prioritizing Work
- Updating and Using Relevant Knowledge
- Performing General Physical Activities
Detailed Work Activities
- Observing, receiving, and otherwise obtaining information from all relevant sources.
- Analyzing information and evaluating results to choose the best solution and solve problems.
- Providing information to supervisors, co-workers, and subordinates by telephone, in written form, e-mail, or in person.
- Using either control mechanisms or direct physical activity to operate machines or processes (not including computers or vehicles).
- Running, maneuvering, navigating, or driving vehicles or mechanized equipment, such as forklifts, passenger vehicles, aircraft, or watercraft.
- Using hands and arms in handling, installing, positioning, and moving materials, and manipulating things.
- Identifying information by categorizing, estimating, recognizing differences or similarities, and detecting changes in circumstances or events.
- Developing specific goals and plans to prioritize, organize, and accomplish your work.
- Keeping up-to-date technically and applying new knowledge to your job.
- Performing general physical activities includes doing activities that require considerable use of your arms and legs and moving your whole body, such as climbing, lifting, balancing, walking, stooping, and handling materials.
T-A-S-K
Technology, Abilities, Skills & Knowledge
Technology Skills
- Electronic mail software
- Analytical or scientific software
- Spreadsheet software
- Geographic information system
- Enterprise resource planning ERP software
Abilities
- Near Vision
- Deductive Reasoning
- Problem Sensitivity
- Perceptual Speed
- Arm-Hand Steadiness
Skills
- Operations Monitoring
- Monitoring
- Troubleshooting
- Operation and Control
- Critical Thinking
Knowledge
- Mechanical
- English Language
- Physics
- Education and Training
- Public Safety and Security
Education
Education Levels of Current Workers
The Bureau of Labor Statistics lists a high school diploma or equivalent as the typical education needed to enter this occupation. The chart below shows the highest level of education held by people already working in this field, ages 25 and older. It includes workers who earned more education than the job requires and workers who entered the field under earlier requirements, so the largest bar is not the entry requirement. For example, if someone finished an associate's degree and then started working in this field, they are counted under “Associate's degree” here, but the job itself typically asks for a high school diploma or equivalent.
Certificates
Certifications applicable to Geothermal Technicians:
| Certificate name | Certifying Organization | Type |
|---|---|---|
| Accredited Installer | International Ground Source Heat Pump Association | D |
| Certified Vertical Closed Loop Driller (CVCLD) | National Ground Water Association | D |
| Certified GeoExchange Designer (CGD) | Association of Energy Engineers | I |
| Certified GeoExchange Designer (CGD) | International Ground Source Heat Pump Association | I |
| Certified Residential Geothermal Designer | International Ground Source Heat Pump Association | I |
Income & Employability
Income Percentile
The median (50th percentile) is the middle wage; 10% earn less than the low figure and 10% earn more than the high figure.
| Low (10%) | $36,080 |
| Median (50%) | $49,230 |
| High (90%) | $77,040 |
Income by Experience
How pay typically grows from entry level (0–2 yrs) to expert (8+ yrs).
Experience data not available.
Employability
There are currently 205,200 jobs in this career path (2025). That number is projected to grow to 210,600 by 2035, a +2.6% change.
+2.6% growthVideo Resources
Training Programs
207 programs at 46 schools on Career School App prepare students for a career as Geothermal Technicians, including HVAC/R (207). Showing 24.
- Commercial HVAC and Commercial RefrigerationACVOLT Tech School · Colton, CAOther · 8 months — weekends, 8 hours per week
- Air Conditioning and Heating TechnologyAdvanced Technology Institute · Virginia Beach, VADiploma · 15 months
- HVAC/CR TechnologiesAdvanced Training Institute · Las Vegas, NVDiploma · 42 weeks
- Heating, Ventilation, Air Conditioning and RefrigerationAll-State Career School · West Mifflin, PADiploma · 48 weeks (960 clock hours)
- Boilers and PipingAmerican Trade School · Saint Ann, MOCertificate · 8 weeks
- Residential & Commercial Heating, Ventilation & Air Conditioning & Commercial RefrigerationAustin Career Institute · Austin, TXDiploma · 30 weeks
- Heating, Ventilation, and Air ConditioningAviation Institute of Maintenance · Chicago, ILCertificate · 12 months
- Heating/AC/RefrigerationAyers Career College · Shreveport, LADiploma · 60 weeks
- HVAC/R TechnologyBrownson Technical School · Anaheim, CADiploma
- Air Conditioning and Refrigeration TechnicianCBT Technology Institute · Hialeah, FLDiploma · 8 months; 24 semester credits
- Heating, Ventilation, Air-Conditioning/Refrigeration (HVAC/R) 1Charlotte Technical College · Port Charlotte, FLCertificate · 750 clock hours — about 23 weeks
- Refrigeration and A/C with PLC and Renewable Energy TechnicianD'Mart Institute · Barranquitas, PRDiploma · 800 clock hours
- HVAC Systems TechnicianDorsey College · Woodhaven, MIDiploma · 36 weeks (~9 months)
- Heating, Ventilation, Air Conditioning, and RefrigerationDouglas Education Center · Monessen, PAAssociate In Specialized Technology Degree · 16 months
- Heating, Ventilation, Air Conditioning, and Refrigeration TechnologyEastwick College · Nutley, NJAssociate Degree · 18 months
- HVAC TechnicianElite School of Cosmetology · Panama City, FLDiploma · About 20 weeks full time (600 clock hours)
- Heating, Ventilation, Air-Conditioning/Refrigeration (HVAC/R) 1Emerald Coast Technical College · DeFuniak Springs, FLCertificate · 750 clock hours (approximately 26 weeks)
- HVAC Maintenance TechnicianForgeNow · Lewisville, TXCertificate · 6 weeks
- Heating, Ventilation, Air Conditioning and RefrigerationFortis College · Dothan, ALDiploma
- Heating and Air TechnologyHeavy Equipment Colleges of America · Oklahoma City, OKCertificate · 7 weeks
- B-1 License Exam ReviewIndustrial Management & Training Institute · Waterbury, CTContinuing Education · 2 days (Saturday & Sunday)
- Commercial RefrigerationInteractive College of Technology · Chamblee, GAAssociate Degree · 72 semester credits (~75-90 weeks; 1,370 contact hours)
- Advanced Diagnostics and Troubleshooting for Hydronic HVAC SystemsITEC Training & Education Center · Rochester, NYCertification · 30 hours over 3.5 or 4 days
- Commercial Refrigeration, Heating and Air ConditioningLamson Institute · San Antonio, TXDiploma · 42 weeks
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Certification, licence and career video information is sourced from CareerOneStop, sponsored by the U.S. Department of Labor, Employment and Training Administration (DOLETA) and the Minnesota Department of Employment and Economic Development (DEED).
Wage, employment and outlook figures are from the U.S. Bureau of Labor Statistics — Occupational Employment and Wage Statistics (OEWS) and the Employment Projections program. Figures describe the occupation, not any particular program or graduate.
Career cluster definitions are from Advance CTE.
Pay-by-experience bands are from Lightcast (as recent as July 2025).