Air Conditioning & Refrigeration
Applied Science & Technology
HVAC & R means:
- Heating

- Ventilating
- Air Conditioning & Refrigeration
HVAC Technicians work on:
- Residential heating & cooling
- Rooftop mounted systems
- Supermarket Refrigeration systems
- Large multi-story systems
- Ultra low temperature systems as low as -300 degrees F
What does an HVAC technician do?
Uses welding skills to connect copper pipes.
Uses special tools to add & remove fluid refrigerants.
Uses knowledge of physics to find system problems.
Uses electrical knowledge & skills to troubleshoot complex control circuits.
Works with special electronic circuits which connect HVAC systems to computers.
Makes repairs to mechanical compressors, pumps, blowers & valves.
Makes repairs to electrical devices such as motors, relays, & wiring.
Uses conventional & special instruments to measure & detect problems.
HVAC Technicians combine the skills of many other trades into one trade