Refrigeration service - Articles - Page 3

Solving the Technician Shortage Problem

Finding skilled refrigeration techs is difficult, so NASRC is tackling the issue

March 30, 2023

There are advantages and disadvantages to being a refrigeration technician. The industry needs to work together to reduce the disadvantages and expand the opportunities, so that people want to make a career in refrigeration service and installation.

Checklists Can Help Determine What Is Causing the Problem in a Refrigeration System

Confusing High-Side Temperatures

John Tomczyk

March 22, 2023

There are several reasons why the compressor discharge temperature of a refrigeration system can be high when the condensing temperature is not, and a checklist can help a technician figure out the root problem.

NASRC Offers Free Natural Refrigerant Training Summit

The 3-day event for refrigeration technicians will cover CO₂ and propane installation/service

February 27, 2023

NASRC is hosting its first-ever Natural Refrigerant Training Summit in Irwindale, California from April 4-6, 2023.

The Definitive Guide to Temperature Glide, Part 2

Always consult the P/T chart when calculating superheat and subcooling for refrigerant blends

John Tomczyk

January 20, 2023

Service technicians need to be careful when reading the pressure/temperature chart because if they choose the wrong values, they will make mistakes diagnosing the system.

The Definitive Guide to Temperature Glide, Part 1

Technicians must understand how to calculate temperature glide for refrigerant blends

John Tomczyk

November 30, 2022

The HVACR industry will soon be using low-GWP refrigerant blends, some of which have a temperature glide when evaporating and condensing. As these refrigerant blends change phase, there’s a change in their composition, which technicians must be able to calculate while in the field.