HVACR Learning Network

Choosing a Refrigerant Webinar

CO2 101: Terminology and Basics Webinar Replay

Don Gillis, Technical Training Specialist, Emerson Commercial and Residential Solutions presents CO2 101. In this training session, we will be discussing terminology, temperatures, pressures, and what exactly transcritical and subcritical mean.

CO2 201: Architecture and Warm Ambient Strategies Webinar Replay

Don Gillis, Technical Training Specialist, Emerson Commercial and Residential Solutions presents CO2 201. This training session is part 2 of a 2 part series on CO2 and will be more directed towards architecture and warm ambient strategies.

Compressor Capacity Webinar

Compressors Webinar Replay

This webinar will provide you with a fundamental understanding of compressors. You can reference Answerman Principles of Air Conditioning published by Esco Institute.

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.