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Next Generation Low-Global Warming Potential Refrigerants R&D Roadmap

The Department of Energy has a critical stake in supporting the development, evaluation, and widespread implementation of low-global warming potential (GWP) refrigerants. DOE commissioned this roadmap to establish a set of high-priority research and development (R&D) activities that will accelerate the transition to low-GWP refrigerants across the entire heating, ventilation, air-conditioning and refrigeration (HVAC&R) industry. The schedule of R&D activities occurs within an accelerated five-year timeframe, and covers several prominent equipment types. The roadmap is organized around four primary objectives to: assess and mitigate safety risks, characterize refrigerant properties, understand efficiency and environmental tradeoffs, and support new refrigerant and equipment development.