French hospitals are racing to retrofit buildings and stockpile equipment after a record-breaking heat wave left staff improvising with ice blocks and electric fans to keep patients alive. Paris-Saclay Hospital, a modern facility outside Paris, ran out of ice for emergency cold-water baths during the crisis and has now ordered its own ice machine — a sign of how unprepared even newer hospitals were for the surge in heat-related emergencies.
The Reality Check
Cédric Lussiez, director of the Paris-Saclay Hospital group, said the facility operated around the clock to find makeshift solutions. "We thought we were ready. We were not actually," he said. "The hospital was working on a 24-hours-a-day basis because we had to find new solutions in a very short delay." The crisis hit hardest at three older hospitals under Lussiez's management, where staff used fans and ice blocks to prevent medicines from spoiling. Temperatures reached 33°C (91°F) on the top floor of a psychiatric unit. Student nurses were recruited to keep patients hydrated.
Lussiez said he's now urgently equipping the psychiatric unit with a cool room on each floor and moving a department for elderly patients to the newer hospital. The improvisation revealed a broader problem: Europe's aging hospital infrastructure wasn't built for sustained extreme heat.
The Patient Surge
Dr. Nicolas Gonzales, head of the emergency department, said heat-exposure patients started arriving in a surge on June 20. "It was like a big mountain," he said. "It was like that for seven days. So it was very intense." The first case he treated was a 50-year-old man found in a coma at home with a temperature around 40°C (104°F). His family said he seemed fine one minute, unconscious the next. Cases flooded in across all age groups: heart attacks, dehydration, kidney malfunctions. "Heat is a physical assault. It is a physical assault on the body," Gonzales said. "And when the body can no longer adapt — or, unfortunately, is no longer able to fight off that assault — you don't feel it coming, and the heart can stop beating."
Gonzales said hospitals now face a predictable summer crisis alongside winter flu and COVID. "In winter, we know we'll have influenza epidemics and probably COVID as well. And now, in the summer, we're going to have the climate crisis," he said.
The Government Response
French Prime Minister Sébastien Lecornu announced a €100 million ($114 million) spend on cooling systems for hospitals and upgrades to keep wards functioning. On Monday, he said the government is buying 30,000 air-conditioning units for health facilities, with first deliveries expected "at the end of the week, beginning of next week." He said, "It's an absolute priority for us that, if the heat wave returns, the hospital situation be a lot less strained."
The World Health Organization on Tuesday described the heat wave as "a dress rehearsal" for summers that "will be harder." It said, "Europe is warming at more than twice the global average. Heat waves are no longer one-off freak events," and, "Every summer we fail to prepare for them is a summer we pay for in lives." The heat wave battered France, the United Kingdom and other countries before shifting eastward.
Why This Matters:
The hospital crisis exposes a fiscal reality European governments have avoided: adapting public infrastructure to climate change requires immediate, large-scale capital investment. France's €100 million emergency spend is a down payment on a much larger bill. Older hospitals across the continent face similar vulnerabilities, and retrofitting them will compete with other budget priorities at a time when many member states are already running deficits. The surge in heat-related emergencies also strains healthcare systems that are already understaffed and overburdened. If extreme heat becomes an annual summer event, as the WHO warns, European governments will need to budget for it as they do for winter flu — or accept that hospitals will operate in crisis mode every June and July. The question isn't whether Europe will adapt, but whether it will do so proactively or through repeated emergency responses that cost more in both money and lives.