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CO₂ Refrigeration Systems: Obstacles and Opportunities

Experts weighed in on this natural refrigerant at Danfoss online event

July 14, 2022

Danfoss Climate Solutions recently held an online event, where experts discussed CO₂ refrigeration systems, including the challenges and opportunities this natural refrigerant offers both food retailers and contractors.

Kroger Pressured To Eliminate HFCs In Stores

Environmental groups, customers petition company to adopt low-GWP refrigerants

Joanna R. Turpin

July 6, 2022

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Kroger, the largest grocery chain in the United States, is facing pressure from a coalition of stakeholders to eliminate HFCs from their refrigeration systems.

ASHRAE’s Revised Refrigeration Handbook Now Available

The new guide covers refrigeration systems for applications other than human comfort

July 5, 2022

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From cryogenics to strawberries, from fishing vessels to mortuaries, the 2022 ASHRAE Handbook—Refrigeration covers the refrigeration equipment and systems essential for applications other than human comfort.

Refrigeration Pilot Projects Show 50% Energy Savings

New self-contained system is designed for indoor walk-in coolers and freezers

July 5, 2022

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Refrigerated Solutions Group and Budderfly announced the results of energy efficiency pilot projects across two Subway restaurant locations using RSG’s Capsule Pak ECO™.

Washington State Hears Concerns About HFC Phasedown

Grocers worry about high cost of switching to low-GWP refrigerants in refrigeration equipment

Joanna R. Turpin

June 30, 2022

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Washington state is currently figuring out how to implement legislation that establishes maximum GWP thresholds for HFC refrigerants used in new stationary refrigeration and air conditioning equipment.

Determining the Cause of a Restricted Liquid Line

Restrictions can starve refrigeration components of refrigerant, resulting in system problems

John Tomczyk

June 28, 2022

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Liquid line restrictions cause the evaporator, compressor, and condenser to be starved of refrigerant, causing performance problems in refrigeration systems.

Refrigerant Leaks in Self-Contained Systems

It is difficult, but necessary, to locate the source of the leak and then repair it

Joe Marchese

June 26, 2022

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Locating the source of a refrigerant leak in a self-contained reach-in cooler or freezer and repairing it may be difficult, but technicians should always attempt to find the source.

June 13, 2022 NEWSRoom: Growing Crime, Leaving Russia, Manufacturing Pressures, HFC Availability

Maria Taylor

June 13, 2022

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Contractors face growing crime rates; Siemens and Rehau cease operations in Russia; upcoming 2023 DOE efficiency standards, pandemic, and supply chain issues add pressure to some manufacturers; rising HFC prices predicted to hit food retailers hard.

CO2 Refrigeration Fundamentals: Servicing Tips

Andre Patenaude

June 10, 2022

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In the first installment of a technical series from Emerson, the company reviews some key tips that technicians need to be aware of when servicing CO₂ transcritical booster systems.

Evaporator Determines Refrigeration System Efficiency

A cold evaporator can still result in warm refrigerated space temperatures

John Tomczyk

June 8, 2022

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An evaporator can be cold but inactive, causing warm refrigerated space temperatures.

2022 Top 40 Under 40 HVACR Professionals

R-22 Refrigerant Smuggler Nabbed In Florida

HVAC Tax Incentives Enhanced in Sweeping Bill

Ducted Mini-Split Air Handlers Offer Flexibility

More States to Allow A2L in A/C Systems

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Events

November 11, 2021

The Future of HVAC Refrigerants: Are You Ready?

This webinar will focus on one of the leading HFC alternatives, R-454B (Opteon™ XL41), which is replacing R-410A in HVAC applications.

July 27, 2022

Installation Techniques for Air Treatment Solutions

Learn installation techniques for quick and easy installs in any HVAC system, and methods for minimizing return air static pressure. You’ll learn the ins and outs of PRO-Cell technology, an ozone free air treatment solution that takes air Photocatalytic Oxidation (PCO) to the next level.

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