What does an HVAC tech do?

An HVAC tech, or Heating, Ventilation, and Air Conditioning technician, installs, maintains, and repairs heating, cooling, and ventilation systems in residential, commercial, and industrial settings. Their work includes inspecting systems, diagnosing issues, and ensuring equipment runs efficiently and safely. HVAC techs may also handle refrigerants, calibrate thermostats, and provide routine maintenance to prevent system failures. They play a crucial role in maintaining indoor air quality and comfort. Licensing and certification requirements may vary by state or employer.