Heating, Air Conditioning, and Refrigeration Mechanics and Installers

Heating, air conditioning, and refrigeration mechanics and installers work with the complex systems that control temperature and air quality in homes, businesses, and industrial facilities. They spend their days diagnosing problems with furnaces, air conditioners, heat pumps, and refrigeration units, using specialized tools and testing equipment to identify malfunctions. When installing new systems, they connect electrical wiring, install ductwork, and ensure all components work together efficiently. Repair work involves replacing faulty parts like compressors, motors, or thermostats, recharging refrigerant lines, and calibrating controls for optimal performance.