HVACR Learning Network

Developing and Maintaining a Program Advisory Committee

This course is to help educators and administrators, develop, and maintain an effective program advisory committee.

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.

Electric Expansion Valves: Aftermarket Game Changer

This webinar reviews why EEVs are an easy, viable, cost-effective replacement for TXV applications today.

Electrical Theory: Relays & Contactors Webinar Replay

This webinar will provide you with a fundamental understanding of control devices, relays, & contactors. You can reference Electrical Theory and Applications for HVACR published by Esco Institute.

Electrical Theory: Start Relays Webinar Replay

This webinar will provide you with a fundamental understanding of start relays. You can reference Electrical Theory and Applications for HVACR published by Esco Institute.

Environmental Regulations Webinar