Heating technicians specialize in the installation, maintenance, and repair of furnaces and related heating units.
HVAC installers concentrate on the installation of heating and cooling units, which also includes installing fuel and water lines, ducts, vents, and pumps as necessary.
Maintenance & Repair
Those who specialize in maintenance and repair adjust burners and blowers, replace filters, ducts, and other parts, and maintain thermostats, burners, nozzles, and other controls.
Refrigeration mechanics focus their work on the installation, maintenance, and repair of air conditioning and other refrigeration units.