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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
Tags
air-to-air heat pumps
energy consumption
heating
CO₂ emissions
Toulouse
sustainable electricity
climate impact

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