# Why Do Airports and Train Stations Have Such High Ceilings? Architectural design choices historically prioritized natural ventilation over modern climate control systems. - **Source:** [Ouest-France](https://www.ouest-france.fr) - **Published:** 2026-11-08 - **Topic:** [Business](https://brifing.si/c/business) - **Original article:** - **On Brifing:** https://brifing.si/s/d9e0d719-26d2-4e30-9d5b-9c165fb5aeeb ## Historical Cooling Necessity Before modern air conditioning became standard in French commercial buildings, high ceilings served a critical technical function. They were designed to facilitate natural ventilation, allowing hot air to rise and escape through openings located in the upper sections of structures. This passive cooling method was essential for maintaining comfort in large spaces. ## The Shift in Technology Data from a 2021 ADEME study indicates that only 40 percent of businesses in the French tertiary sector were equipped with air conditioning systems by 2020. This relatively low adoption rate highlights why architects previously relied on structural design rather than mechanical cooling to regulate temperatures in public transport hubs. ## Public Space Design Large halls in airports, train stations, and public buildings often feature expansive vertical space to manage crowd density and air quality. Beyond thermal regulation, these high ceilings provide a sense of grandeur and openness, which is a common architectural strategy for managing the psychological comfort of large numbers of transient travelers. ## Energy Efficiency Challenges Modern building management now faces the challenge of heating and cooling these massive volumes efficiently. While high ceilings were once a solution for natural cooling, they currently represent a significant energy burden. Owners must balance the original architectural intent with contemporary requirements for energy conservation and reduced operational utility costs. ## Ventilation and Airflow The mechanism of high ceilings relies on the stack effect, where warm air naturally rises toward the ceiling. By placing vents at the highest points, buildings can exhaust heat without relying on electricity. This design remains relevant in some modern sustainable architecture, even as mechanical climate control systems become more prevalent. ## Regulatory and Cost Factors There is no universal maximum height limit for ceilings in public buildings, despite the obvious impact on heating and cooling expenses. Decisions regarding ceiling height are typically governed by local building codes, fire safety regulations, and the specific functional requirements of the space, rather than strictly by energy consumption constraints alone. ## Psychological Spatial Impact Beyond physics, high ceilings influence human behavior in public environments. High-volume spaces are designed to accommodate high foot traffic, preventing the feeling of confinement during peak hours. This spatial design choice helps maintain order and flow in busy transit hubs, which is a priority for airport and station operators globally. ## Future Design Considerations As energy prices rise and climate standards tighten, architects are re-evaluating the necessity of extreme vertical space. Future infrastructure projects may prioritize lower, more thermally efficient designs. However, the legacy of high-ceilinged transit halls continues to define the aesthetic and functional landscape of modern transportation hubs across the French territory. ## Sources covering this story - https://www.ouest-france.fr/culture/arts/architecture/architecture-pourquoi-les-gares-et-aeroports-ont-ils-des-plafonds-aussi-hauts-ouest-france-vous-repond-821a17c6-d83c-11f1-b736-5b9907ef0b5a?utm_source=fluxpublicactu&utm_medium=fluxrss&utm_campaign=banquedecontenu — --- _Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._