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CEN has released the enquiry version of prEN 378:2025 for national standardisation committee review. The revision introduces a risk-based design approach that eurammon welcomes, though charge limit restrictions and prescriptive safety caps remain barriers to wider natural refrigerant adoption.
A 2026 review by NIST researcher Mark McLinden in the International Journal of Refrigeration examines the thermodynamic rationale behind the adoption of fluorinated gases and the engineering challenges that will accompany their phase-out. The paper argues that upcoming F-gas restrictions will reverse the traditional design approach: systems must be built around the properties of the chosen working fluid rather than the other way around.
Merak has become the only rail HVAC supplier offering serial production units on both natural refrigerants — CO2 (R744) and propane (R290). According to the company, thousands of Greenair heat pumps have been installed worldwide, reducing energy consumption by at least 30% compared to resistive heating.
Sanhua has released a 356-page Standard Product Catalogue covering expansion valves, controllers, sensors, and other components for commercial refrigeration, air conditioning, and heat pump systems. The publication provides technical specifications, selection data, and application diagrams for HVAC&R professionals.
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