Recent Blog Posts

What is Refrigeration?

October 28th, 2025

According to RETA Book 1, “Refrigeration is the process of achieving or maintaining the temperature of a space or object below that of the surrounding area by removing heat”. A refrigeration system accomplishes this by utilizing a thermodynamic cycle that moves heat from an object or area where it is unwanted to a place where […]

New Member of the RETA National Board of Directors – Nate Torres

October 27th, 2025

2025 Southwest RETA Training Expo

October 22nd, 2025

We hope to see you at the upcoming Southwest RETA Training Expo (click here for additional information and registration). Southwest RETA Training Expo December 11, 2025 Yuma County Fair Grounds – 2520 E. 32nd Street, Yuma, AZ 85365  

Emergency Pressure Control Systems

October 21st, 2025

This is an update to a blog that was originally posted on 9/10/14. You can read the original blog here. Question: What is an emergency pressure control system? Answer: An emergency pressure control system (EPCS) is a pressure-limiting safety system that is required by many current Fire Codes (International Fire Code and NFPA 1). The […]

Ammonia Week in Review | October 17, 2025

October 17th, 2025

Ammonia Spooks in this week’s edition of the Ammonia Week in Review… Several Hospitalized After Ammonia Leak at Coffeyville Refinery – An ammonia leak at the CVR Nitrogen Plant in Coffeyville hospitalized several people on Saturday, officials say. […keep reading] Burlington Shelter-in-Place Order Lifted After Reported Ammonia Leak – Residents in Burlington were told to shelter in place early […]