Europe is warming faster than any other continent on Earth. It also has the world’s oldest population. And it has among the lowest rates of residential air conditioning adoption of any major world region. This week, as France recorded over 1,000 excess deaths in just three days of record heat, those three facts have converged into a public health and policy crisis that governments across the continent can no longer defer. The question of why Europe resists air conditioning is no longer an interesting cultural observation — it is a matter of life and death.
The Numbers That Frame the Crisis
France saw around 1,000 additional deaths last week at the height of its record-breaking heatwave, the country’s public health agency confirmed Sunday. The agency said 85% of the deaths involved people aged 65 and above.
The demographic pattern is consistent with what researchers have documented across previous European heatwaves. Older adults living alone, without air conditioning, in urban areas where overnight temperatures remain high are by far the most vulnerable group. The 2003 European heatwave killed an estimated 70,000 people across the continent, the majority elderly, and the majority in countries with low AC penetration rates. The 2022 heatwave killed approximately 61,000 people, again concentrated among the elderly and again in the same countries. Each time, governments pledged to learn the lessons. Each time, the structural conditions remained largely unchanged.
Why Does Europe Have So Little Air Conditioning?
In Europe, energy prices are much higher than in the US. European governments have instead funded other ways to cool historic and densely populated cities, such as public cooling stations.
A recent survey in France found that only one in six French homes had air conditioning as of early 2026. In Spain, despite being the hottest of Europe’s large economies, residential AC penetration remains below 50%. In Germany, the figure is lower still.
The reasons are layered and interconnected. Energy costs across Europe are significantly higher than in North America — a gap that widened sharply following the 2022 Ukraine war and the loss of cheap Russian gas. Installing and running air conditioning in countries where electricity costs two to three times the American average is an economic barrier that many households, particularly pensioners on fixed incomes, cannot overcome.
Europe’s housing stock compounds the problem. Residential buildings across France, Germany and the UK were largely constructed in the 19th and 20th centuries, designed for a temperate climate. They were built for warmth retention — thick walls, small windows, minimal ventilation — which makes them excellent at staying warm in winter and catastrophic at releasing heat in summer. Retrofitting these buildings with modern cooling systems is technically complex and expensive.
Italy as the Outlier — and What It Shows
The striking exception is Italy. About 56% of all homes in Italy had air conditioning as of 2024, according to the National Institute of Statistics. Italy accounts for one third of all electricity use on air conditioning in the European Union, according to EU data.
What Italy shows is that cultural resistance is not fixed. Italy’s adoption of residential air conditioning reflects decades of exposure to extreme summer heat in the Po Valley and the south, combined with economic capacity among Italian households to install it. The country’s higher AC penetration has not eliminated heat-related deaths — Italy still recorded significant excess mortality this week — but it has moderated the death toll relative to population compared to France or Germany.
In Rome, wearable technology is now distributed to monitor the elderly, who are by far the most at risk. The city has attempted to combine technological solutions with urban design approaches — shade structures, misting stations, expanded green space — to reduce peak temperature exposure in public areas.
The Circular Problem: AC Accelerates the Warming That Makes AC Necessary
The core tension in Europe’s air conditioning debate is thermodynamic as well as economic. Air conditioning units extract heat from buildings and expel it into the surrounding environment — in dense urban areas, this contributes directly to the heat island effect, raising street-level temperatures and compounding the very conditions that make cooling necessary.
At a grid level, a sudden surge in air conditioning adoption across Europe would require significant additional electricity generation capacity — raising emissions unless that capacity comes from renewable sources, which are expanding but not yet able to absorb a rapid demand spike. This creates a feedback loop that climate-conscious European governments find deeply uncomfortable: adapting to warming through air conditioning risks accelerating the warming that makes adaptation necessary.
Scientists and public health researchers have attempted to cut through this dilemma by arguing that the question is not whether air conditioning should be adopted, but how. Targeted deployment in hospitals, care homes and the homes of elderly people living alone would address the highest-risk population without requiring blanket residential adoption. Improved building insulation — which reduces both heating and cooling demand — can reduce the energy cost of whatever cooling is installed. And the continued rapid expansion of solar power in southern Europe is improving the carbon economics of daytime cooling during peak heat hours.
What Europe’s Governments Are Doing — and What Is Missing
In Rome, wearable technology is distributed to monitor elderly residents. In France, the government has expanded its system of public cooling centres — air-conditioned public spaces, typically libraries and community centres, where people without home cooling can seek refuge during peak heat. In Spain, the national weather service has for years issued tiered heat alerts aimed at giving vulnerable people time to prepare.
But these measures, while valuable, address the symptom rather than the cause. Europe has consistently under-invested in the structural adaptation of its housing stock to a warmer climate. Retrofitting incentives exist in several countries but have not been deployed at scale. Social care systems for elderly people living alone remain under-resourced in most European countries, meaning the people most likely to die in a heatwave are also the least likely to be monitored or reached by cooling services.
What This Week Has Made Clear
This week’s death toll has made the cost of inaction undeniable. The 1,000 excess deaths in France in three days — preliminary and likely to rise — are not a freak event. They are the predictable consequence of placing the world’s oldest population in the world’s fastest-warming continent and then failing to systematically equip their homes and care systems to handle the resulting heat.
Approximately 191 million people across Europe were forecast to experience temperatures of at least 35 degrees Celsius during this week’s heatwave. At that scale, the public health challenge is not amenable to individual behavioural advice about staying hydrated and finding shade. It requires infrastructure — cooler buildings, reliable electricity grids, functioning social care systems, and an honest reckoning with the fact that the climate Europe was built for no longer exists.
