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State-of-the-art air-to-air heat pump


Technology Description

Transfer heat energy from a colder space to a warmer one, providing either heating or cooling (using either outdoor air or indoor air as a source of heat) thanks to vapour compression refrigeration and a refrigerant system. Typically more efficient than electrical resistance heaters, although efficiencies begin dropping significantly with low outside air temperature (below 5°C).

Relevance for Net Zero

Large potential for deployment, driven by rising cooling demand. Possibility to exploit synergies with various thermal needs (heating, cooling), and benefit from technology spillovers.

Key Countries

Europe, China, Japan, United States

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