HVACR Learning Network

CPR Valves In Refrigeration Systems Article (with Audio)

One aspect of evaluating the operation of a refrigeration system is understanding how a Crankcase Pressure Regulator functions to maintain proper suction pressure on a hot pull-down. Contains audio so you can listen to the article.

Determining Your Worth To An Employer Free Audio Article!

Ever wonder how your actions, skills, and mindset impact your paycheck and your company's success? This engaging article connects a surprising story about a shoeshine man’s journey to wealth with practical insights into your value as a technician.

Discharge Pressures In Refrigeration Systems Article (with Audio)

When servicing refrigeration systems, performing preventive maintenance, and ensuring that equipment is operating according to design, technicians can employ a straightforward approach to determining what the proper discharge pressure in the system s

EEV Fundamentals Article (with Audio)

The basic concept of the metering device and fluid flow in a mechanical refrigeration system hasn't changed since its development, but employing an EEV ensures that equipment will operate efficiently. Includes audio so you can listen to the article.

Electrical Fundamentals for HVACR Video

This two-hour video training program takes the mystery out of electrical troubleshooting as it covers the step-by-step process of building a schematic diagram for a comfort cooling system.

Electrical Fundamentals for Major Appliance Technicians