Refrigerants - Articles - Page 42

Refrigerant Leaks in Self-Contained Systems

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

June 26, 2022

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

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

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.

A2L Terms You Should Know

New terminology is used with mildly flammable refrigerant

Joanna R. Turpin

June 4, 2022

The HVACR industry is in the process of transitioning away from HFCs such as R-410A to alternative refrigerants that are mildly flammable (A2L). Because of their flammable nature, these refrigerants are referred to in terms that may not be familiar to contractors and technicians.

New Standard Allows Higher A3 Charge In A/C

Flammable refrigerants such R-290 could be used in larger air conditioners and heat pumps

May 27, 2022

A new standard allows higher charge limits for hydrocarbons such as propane (R-290) and other flammable refrigerants in household technology.

Determining the Correct Refrigerant Charge

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

Joe Marchese

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

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

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

Proper Brazing Can Lower Refrigeration Costs

Reducing and eliminating refrigerant leaks can help customers save money

Christen Foltz

May 1, 2022

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

FAQs About A2Ls

HVACR professionals have questions about the new mildly flammable refrigerants

Joanna R. Turpin

May 1, 2022

As the HVACR industry transitions away from HFCs such as R-410A to alternative refrigerants that are mildly flammable (A2L), it is not surprising that those who will be handling – or teaching about -- these new products have a lot of questions.