IEA Annex 54 Annual Report 2021

The Annual Report 2021 for Annex 54 – Heat Pump Systems with Low-GWP Refrigerants, is now available.

This report provides a comprehensive, most up-to-date review of current research and the development of systems and their optimizations using low-GWP refrigerants for heat pump applications. It also includes a state-of-the-art review of life cycle evaluations of such systems using low-GWP refrigerants. It summarizes the collective efforts by researchers, engineers, and regulation committees across the industry.

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