Video-based lessons
The course page describes videos alongside textbook study.
For experienced HVAC technicians
Move into commercial refrigeration.
This existing course was created for residential HVAC technicians who want to understand commercial refrigeration systems.
Course overview
Build on what you already know.
The original course compares residential HVAC with commercial refrigeration. Its described topics include the refrigeration cycle, metering devices, walk-in and reach-in equipment, defrost methods, and troubleshooting.
Refrigeration equipment
Connect system principles to coolers, freezers, controls, and field problems.
Confirm current details
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