Refrigeration service - Page 3

The Definitive Guide to Temperature Glide, Part 1

Technicians must understand how to calculate temperature glide for refrigerant blends

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.

Tech of the Month — November 2022: Chris Hanks of Superior Services

Hanks is recognized as the technician of November 2022

Hannah Belloli

November 16, 2022

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Hanks has known since high school that he wanted to enter the trades and since then, has become the “go-to tech” in his area.

Heatcraft Offers Refrigeration Training Opportunities

Classes ranging from beginner to advanced will be offered this fall

November 1, 2022

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Heatcraft Refrigeration Products has expanded its training capabilities and is offering a variety of classes this fall.

Murphy Company Completes Asset Acquisition Of State Mechanical

November 18, 2021

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Murphy Company has closed on the asset acquisition of State Mechanical.

Five Rules for Charging Refrigeration Systems

The charging process can be tricky without the help of these guidelines

John Tomczyk

June 10, 2019

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When the nameplate charge is not specified, there are guidelines and techniques all technicians should follow when charging a system.

There are many accessories, like the TXV pictured here, that can be added to an operating system. - The ACHR News

Refrigerant Subcoolers Can Often Increase Overall System Efficiency

Understanding when to apply refrigeration accessories is an important skill

Joe Marchese

June 10, 2019

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Understanding how accessories are properly used will allow technicians to better maintain and repair refrigeration systems.

INFICON: Portable Monitor

June 3, 2019

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This product combines field leak detection reliability with cloud hunting mode, which helps the operator to find the area highest in concentration and then switch to pinpoint mode to quickly find the leak.

Some Modifications Can Make HVAC Systems More Serviceable

Make sure it makes sense and doesn't change the design of the system

Joe Marchese

May 6, 2019

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When installing or repairing a refrigeration system, technicians should look for opportunities to slightly modify the system (without changing its design) to make it more serviceable.

CoolSys Acquires ABC Refrigeration & HVAC

ABC Refrigeration & HVAC serves supermarket, retail, and commercial businesses

March 6, 2019

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CoolSys has acquired ABC Refrigeration & HVAC. Headquartered in Syracuse, New York, ABC Refrigeration is a commercial refrigeration and air conditioning services provider in the Northeast that also has in-house metal fabrication capabilities.

Refrigeration Retrofits Offer ‘Cool’ Savings for Supermarkets

Targeted upgrades can dramatically reduce energy use

Joanna R. Turpin

February 4, 2019

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Buying new, higher-efficiency refrigeration equipment can be cost prohibitive, which is why making targeted retrofits or upgrades to existing systems may make the most sense for many food retailers.