As HVAC contractors gear up for another busy cooling season, many have faced challenges securing R-454B, the low-GWP refrigerant replacing R-410A in new residential and light commercial HVAC systems. They are also concerned about how tariffs will...
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Refrigerant management is one of the most effective ways to decarbonize. By transitioning HVAC equipment to low-GWP refrigerants, organizations can help limit the HFCs they release into the atmosphere and reduce a building’s carbon footprint. For...
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As the weather begins to warm up, the HVAC industry is dealing with a refrigerant transition that includes a shortage of R-454B in cylinders. The transition from R-410A to the new A2L refrigerants was expected to have some bumps, but that does...
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What tools do HVAC techs need for working with A2L refrigerants? In this video, reps from three tool manufacturers explain the broad categories of tools that might need an update to comply with new heating and air conditioning systems: leak...
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The U.S. Environmental Protection Agency’s (EPA’s) phasedown of high-GWP refrigerants under the AIM Act is well underway. As part of this phasedown, manufacturers had to stop producing most comfort cooling equipment containing high-GWP...
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As A2Ls increasingly become the refrigerants of choice, are your students and technicians prepared for the changes they will need to make when working with these non-toxic but mildly flammable substances? In this article, we will discuss the...
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HVAC professionals are concerned about the transition to A2L refrigerants, especially whether they need to replace all their tools. It’s prompting changes in the tools required for HVAC systems, but most existing tools are likely still compatible...
Read more✕ The HVAC industry is entering a new era due to the AIM Act, which mandated the phaseout of R-410A system production after December 31, 2024. As of January 1, 2025, manufacturers can only produce comfort cooling systems that use lower-GWP...
Read more✕ In the transition to lower-GWP refrigerants, specifying engineers and contractors play an essential role in helping retailers make next-generation equipment decisions. Among the emerging alternatives, A2L refrigerants will likely have a place...
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Kyle Gargaro is Editorial Director & Associate Publisher of The ACHR NEWS. He can be reached at 248-244-1720 or [email protected]. Gargaro has been with The ACHR NEWS since 2004, first as Legislation Editor, then Managing Editor, and...
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Direct gas-fired make-up air units from Greenheck now use R-454B, an A2L refrigerant mandated by the Environmental Protection Agency with low potential to contribute to global warming. Because R-454B has mild flammability potential, the units...
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