Refrigeration - Articles - Page 37

Determining the Correct Refrigerant Charge

Several methods can be used to ensure the right amount is used in a refrigeration system

May 24, 2022

When adding refrigerant to a refrigeration system, there are several different methods a technician can use to determine the correct amount needed.

A production line at Worthington Industries Inc.

HVACR Industry Fights Refrigerant Cylinder Changeover

Court brief says EPA overstepped authority in banning disposable cylinders

Matt Jachman

May 16, 2022

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The first brief was filed in the federal case against the EPA rule that would ban the use of non-refillable refrigerant cylinders and require refillable cylinders to be tracked.

States Update Codes to Allow A2L Refrigerants

Equipment containing the new refrigerant is now available in four states, with more to come

Joanna R. Turpin

May 8, 2022

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Some alternatives to R-410A are mildly flammable (A2L) and thus require updated building codes and standards to ensure their safe use.

The Importance of a Clean Condenser

A dirty coil will result in less heat transfer and poor efficiency

John Tomczyk

May 4, 2022

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The condenser is the most underrated component in an air conditioning or refrigeration system.

New Initiative Seeks To Advance Women In Cooling

The international coalition aims to promote career opportunities for women in HVACR

May 3, 2022

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Numerous international organizations have launched an initiative to advance career opportunities for women in the cooling sector.

National Restaurant Show Returns To Chicago

The in-person event will feature new refrigeration and ice machine equipment

May 3, 2022

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The National Restaurant Association Restaurant, Hotel-Motel Show will take place from May 21-24, 2022, at McCormick Place in Chicago.

Proper Brazing Can Lower Refrigeration Costs

Reducing and eliminating refrigerant leaks can help customers save money

Christen Foltz

May 1, 2022

One Comment

HVACR contractors can offer customers a solution to keep refrigerant costs down: reducing and eliminating leaks. That’s where better brazing comes in.

EPA Revisits HFC Allocation Rule for 2024

Stakeholders weigh in on how to allocate allowances in future years

Joanna R. Turpin

April 30, 2022

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The EPA held a public workshop to explain how it will build off its final 2021 HFC baseline and phasedown rule to establish the allowance allocation methodology for 2024 and beyond.

Installing Thermostatic Expansion Valves

Don’t assume the TXV is properly adjusted from the manufacturer

Joe Marchese

April 26, 2022

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As the old saying goes, an ounce of prevention is worth a pound of cure. This is especially true when a replacing a thermostatic expansion valve (TXV).

Oil Traps Protect the Compressor

All vapor-carrying lines in a system should have an oil trap to ensure proper oil return

John Tomczyk

April 8, 2022

One Comment

Even though the circulated refrigerant is the working fluid required for cooling, lubricant or oil is needed for lubrication of the compressor’s moving mechanical parts.