Air conditioning has emerged as a focal point in European climate debates following record-breaking heatwaves that killed thousands earlier this summer. While international commentators have criticized Europe’s relatively low AC adoption rates compared to the US, experts attribute this primarily to historical climate patterns rather than ideological resistance.
Northern European nations such as Germany and the UK experienced AC adoption rates of approximately 6% and 4% respectively, substantially lower than the US figure exceeding 90%. However, this disparity largely reflects the fact that much European housing and infrastructure was constructed during periods when extreme heat was rare, making AC an unnecessary expense. Data compiled by Carbon Brief shows that major European cities such as London and Paris rarely experienced days exceeding 30 Celsius until around 2000, with significant increases observed only in recent decades. By contrast, southern European regions with warmer climates, including Italy, Greece, and Spain, demonstrate substantially higher AC penetration rates, reflecting their different climate conditions.
Recent trends indicate shifting attitudes across Europe. Sales of AC units surged dramatically during June heatwaves in Germany, France, and the UK, with governments acknowledging the shift. French energy consumption for space cooling more than doubled between 2015 and 2024, while German AC production rose by at least 75% in recent years. Political support has broadened as well, with the French Green Party acknowledging that AC has become necessary in certain contexts, despite historical environmental concerns.
Experts emphasize that AC represents one component within broader heat adaptation strategies. Research indicates that AC accounted for only 16.7% of reduced heat-related mortality in the US and 14.3% in Spain between 1972 and 2009, with other factors including urban planning, heat action plans, and behavioral changes proving equally significant. The emissions impact of AC depends heavily on electricity generation sources; nations with low-carbon power mixes such as France face limited climate consequences from expanded AC adoption, whereas countries reliant on coal power would experience greater emissions increases. Complementary measures including urban greening, building retrofits, and passive cooling design can reduce both energy demands and heat-related deaths.
Claims that net-zero policies ban AC installation have been disputed by government and regulatory bodies. UK building regulations prioritize passive cooling measures rather than prohibit active cooling, and recent regulatory changes have actually simplified air-to-air heat pump installation. Experts broadly agree that expanded AC will be necessary in Europe, particularly in vulnerable settings such as nursing homes and hospitals, while advocating for comprehensive approaches combining cooling technology with urban design improvements, behavioral adaptations, and heat protection policies.
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