ACHR News - Air Conditioning, Heating & Refrigeration News
WEBAir Conditioning, Heating & Refrigeration News is the weekly newsmagazine of the HVACR contractor covering residential and commercial contracting.
An HVAC Technician’s Guide To R-32 | 2020-11-12 - ACHR News
WEBNov 12, 2020 · Change is coming once again to the HVACR industry, as there is a growing movement to transition from R-410A to lower-GWP refrigerants.California, for example, is proposing a GWP limit of 750 for all new stationary air conditioning systems (residential and commercial) in California starting Jan. 1, 2023, and other states are planning to follow suit.
A Simple Guide to the Refrigeration Cycle and How Air …
WEBSep 15, 2020 · The modern air conditioning system cools an indoor space by using the refrigeration cycle. This refrigeration cycle works by controlling the level of energy in the system’s refrigerant: Some parts of the system have energy-packed refrigerant that is ready to release heat, whereas other parts have energy-depleted refrigerant that …
The Do’s and Don’ts of Hydronic System Glycol - ACHR News
WEBSep 24, 2020 · Antifreeze is one word that hydronic system owners should understand. For the hydronic HVAC contractor, this antifreeze is more accurately described as the heat transfer fluid necessary for the proper functioning of hydronic systems in different regions of the country. Primarily referred to as glycol, the product comes in different formats.
An HVAC Technician’s Guide to R-454B | 2021-03-16 - ACHR News
WEBMar 16, 2021 · Refrigerant regulations are changing quickly at the state and federal levels, in order to facilitate a smooth transition away from R-410A to lower-GWP refrigerants. Finding a replacement for R-410A has been challenging, but several alternatives have emerged as top contenders. One of those is the mildly flammable (A2L) refrigerant, R-454B, which is manufactured by Chemours.
A Closer Look at Several Alternatives to R-22 - ACHR News
WEBJun 29, 2020 · Joanna Turpin is a Senior Editor at The ACHR NEWS.She can be contacted at 248-786-1707 or [email protected] has been with BNP Media since 1991, first heading up the company’s technical book division before moving over to The ACHR NEWS, where she frequently writes about refrigerants and commercial refrigeration.She obtained her bachelor’s degree in English from the University ...
How to Properly Evacuate Refrigerant | 2019-02-25 | ACHR News
WEBFeb 25, 2019 · Evacuation is often called “vacuum” or “pulling a vacuum,” and it’s one of the most important parts of the HVACR installation and repair process where the refrigerant circuit is involved. Our goal should be to keep the closed refrigeration circuit clean, dry, and tight — just like I was taught since the very first week of HVAC school.
R-454B Emerges As A Replacement For R-410A | 2020-08-02
WEBAug 2, 2020 · The big debate in the HVACR industry right now is which refrigerant(s) will be chosen to replace R-410A in many types of comfort cooling equipment. Countries around the globe are already phasing down HFCs, and various states in the U.S. are passing legislation that would also minimize the use of these high-GWP refrigerants. California has been the leader of this movement, proposing a GWP limit ...
Navigating the A2L Transition: Insights from the International …
WEBFeb 24, 2024 · Need to Know. A2L refrigerants are the latest refrigerants recognized by the EPA’s Significant New Alternatives Policy (SNAP) as substitutes for the high-GWP HFC refrigerants currently used in residential and light commercial air conditioning and heat pump systems. In 2024, these widely available and more environmentally friendly refrigerants will soon become more commonly used in the HVAC ...
Three Myths About HVAC Surge Protectors - ACHR News
WEBNov 16, 2022 · To make an educated decision when selecting a surge protector for an HVAC system, it is important to dispel some common myths. With so many brands, types, and choices on the market, it can be difficult to cut through the noise and figure out what product is right for your application.