A severe heatwave is testing La Défense’s air‑conditioning capacity, warning that keeping offices cool will become increasingly difficult
Executive summary: During a ongoing heatwave, La Défense’s management warned its 200,000 employees that sustaining strong air‑conditioning will become progressively more difficult. The alert signals rising operational costs, potential productivity losses, and stress on the local energy grid as cooling demand climbs. La Défense district managers,approximately 200,000 office workers,energy and HVAC service providers If temperatures remain high, officials may implement heat‑action plans, consider temporary load‑shedding, and accelerate investments in more resilient cooling infrastructure.
Le Figaro reports that the 200,000 workers in Paris’s La Défense business district have been told that maintaining high levels of air conditioning will grow harder as temperatures rise. The warning reflects mounting strain on the district’s centralized cooling plant, which is struggling to replenish ice stores overnight. While no outright failure has occurred yet, the situation underscores the vulnerability of dense urban office clusters to extreme heat and the potential need for urgent adaptive measures.
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- 2003 European heatwave strained power supplies and raised mortality
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