Engineering and Technology

Energy and environmental impacts of air-to-air heat pumps in a mid-latitude city

D. Meyer, R. Schoetter, et al.

Discover how switching to air-to-air heat pumps in Toulouse can drastically cut heating energy consumption by up to 76%, enhancing sustainability while virtually eliminating local heating emissions. This groundbreaking research by David Meyer, Robert Schoetter, and Maarten van Reeuwijk highlights the importance of aligning heating transitions with clean energy sources.

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Abstract

This study evaluates the potential switch to air-to-air heat pumps (AAHPs) in Toulouse, France, finding that AAHPs reduce heating energy consumption by 57% to 76%, resulting in virtually no local heating-related CO₂ emissions. A slight reduction in near-surface air temperature is observed, but this is unlikely to compromise AAHP efficiency. However, increased electric energy consumption may occur in cities where gas or other fossil fuels prevail. The study highlights the need to match heating system transitions with sustainable electricity generation.

Publisher

nature communications

Published On

Jun 28, 2024

Authors

David Meyer, Robert Schoetter, Maarten van Reeuwijk

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