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  

Ammonia Week in Review | October 10, 2025

October 10th, 2025

Exclusive Resources in this week’s edition of the Ammonia Week in Review… Refrigeration Purging Video Series – You’ll get familiar with manual, refrigerated, and automatic purging techniques. This is a must-watch for anyone new to the industry, studying for the RETA CARO exam, or an experienced technician looking for a refresher on purging best practices. […watch here] Installation Identification […]

Ammonia Week in Review | September 26, 2025

September 26th, 2025

History Unfolds in this week’s edition of the Ammonia Week in Review… Chemical Leak Discovered at Historic Bojangles Coliseum in Charlotte – Officials confirmed that an ammonia leak was discovered at the decades-old arena around 5 a.m. on Sept. 19. […keep reading] NTSB Report Reveals New Details on Deadly Teutopolis Ammonia Spill – A teenager driving a minivan […]