Comfortmaker Ductless

This class focuses on the operation, maintenance, and troubleshooting of Comfortmaker ductless mini-split systems. Designed for HVAC service technicians, the session dives into system components, inverter technology, and diagnostic procedures to help you confidently service and maintain these high-efficiency units.


Topics covered:

  • Overview of Comfortmaker ductless system design and operation
  • Overview of Comfortmaker ductless system design and operation
  • Understanding inverter-driven compressors and electronic expansion valves
  • Refrigeration and electrical diagnostics
  • Communication protocols and control board functions
  • Common error codes and troubleshooting sequences
  • Routine maintenance to ensure reliable performance and efficiency

Who is the class for?: All skill levels in the HVAC trade

Cost: $50 (Billed to your First Supply Account)

What’s included: Class related materials, snacks, and beverages

Instructor: Thom Hardy, HVAC Trainer and Technical Manager for First Supply.

Location Notice:
Training venues are yet to be finalized. Registered participants will receive an email with the exact location prior to their scheduled training date.

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