Recent Blog Posts

Refrigeration Cycle: Refrigeration Compressors

June 9th, 2026

The ‘compressor’ is the heartbeat of the vapor-compression refrigeration system. Without it, there is no pressure differential to drive the movement of refrigerant throughout the system, and therefore, no cooling can take place. The vapor exiting the evaporator is piped to the compressor which stands ready to receive the vapor and compress it. The compression […]

Oil Analysis

September 23rd, 2025

Question: What is oil analysis, and am I required to do it? Answer: Oil analysis refers to when an oil sample is taken out of an ammonia compressor and sent to a lab for analysis. The results of the analysis indicate whether the compressor oil has degraded to a point where it needs to be […]

Video: Compressor Inspection Checklist – IIAR 6 Appendix B

August 22nd, 2023

Check out Resource Compliance’s free video on how to perform an IIAR 6 Appendix B Compressor Inspection Checklist. In this video presented by Resource Compliance, Peter Thomas, P.E. walks you through the steps necessary for completing the compressor checklist found in IIAR 6 Appendix B.  

Video: Overview of Ammonia Refrigeration Condensers

March 7th, 2023

Check out Resource Compliance’s free video on ammonia refrigeration condensers.

Video: Overview of Ammonia Refrigeration Compressors

February 21st, 2023

Check out Resource Compliance’s free video on ammonia refrigeration compressors.