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New study reveals R-744 underperformance

If you’re in the HVACR industry, you’ve no doubt heard a lot about R-744 as the solution for low GWP. But when one looks past the hype, are CO2 systems delivering? While we are still learning about their real-world performance, emerging facts show that CO2 systems are long on hype – but falling short on […]

Stay Cool, Stay Informed: Your Mid-year HVACR Update

At the mid-year point of an eventful 2024, one truth stands out in the HVACR industry: The more things change, the more they stay the same. While the EU F-gas phasedown took effect earlier this year, the transition from policy to practice is ongoing. Industry stakeholders across Europe are still deliberating enforcement methods, and the […]

In this issue: State PFAS bans face criticism, while concerns mount about the safety and training implications of tightening F-gas regulations in the EU.

Stay informed with Forum Five, your source for the latest HVACR industry news and updates. In our Q1 2024 issue, we share 5 industry stories you may have missed, covering the ongoing concerns surrounding PFAS and F-gas regulations.

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Venting on Venting: The Concern with EPA’s SNAP Rule 26

Despite the hazardous nature of propane (R-290), a recent EPA notice of proposed rulemaking seeks to expand its uses in refrigeration and air conditioning systems while also exempting these systems from Clean Air Act venting restrictions. If finalized, this rule would allow for propane venting during system installation, maintenance, repair, and disposal, which raises significant […]

UNEP Report Insights: TFA and the Environment

A recent report by the United Nations Environment Programme’s Environmental Effects Assessment Panel (UNEP EEAP) sheds new light on trifluoroacetic acid (TFA) in the global environment. The report, Environmental Effects of Stratospheric Ozone Depletion, UV Radiation, and Interactions with Climate Change, adds to a growing body of evidence that shows: Concerns about manmade TFA arising […]

Pressure Points: Downsides of CO2-based Refrigerants

Supermarkets face intense pressure to increase sales, reduce costs and importantly, adhere to changing regulations. That’s why choosing the right refrigeration system is critical. CO2-based refrigeration systems fall short. They’re not reliable, energy-efficient, cost-effective, or easy to maintain. The good news? There are other low-GWP refrigerant options for retailers and supermarkets, like low-GWP HFCs, HFOs, […]