Geothermal Technicians
Geothermal Technicians install, operate, and repair systems that turn underground heat into clean energy for buildings and power plants. They read blueprints, calculate how much heating and cooling a property needs, choose the right equipment, and design underground pipe “loop” systems that match the site’s soil, water, and climate. On the job, they run tests on pipes and pumps, weld high-density polyethylene (HDPE) piping, dig and backfill trenches with excavators and trenchers, and use gauges, sensors, and computer controls to monitor power plant performance and fix electrical or mechanical problems before they cause downtime.

Did you know?
Most positions require completion of HVAC programs or geothermal-specific certifications, with many employers preferring candidates who have completed apprenticeships or technical school programs.
At a glance
Typical average pay
$51,300 Avg/yr
Growth
Stable
Top skill
Operations Monitoring
Things to consider
Growing Market Demand
The increasing focus on renewable energy and federal tax incentives for geothermal systems are driving job growth in this field across the United States.
Physical Work Environment
The job involves significant physical demands including working outdoors in various weather conditions, lifting heavy equipment, and performing installations in confined spaces.
Key responsibilities
Prepare and maintain logs, reports, or other documentation of work performed.
Identify equipment options, such as compressors, and make appropriate selections.
Install and maintain geothermal system instrumentation or controls.
Collect and record data associated with operating geothermal power plants or well fields.
Identify and correct malfunctions of geothermal plant equipment, electrical systems, instrumentation, or controls.