The politics of air conditioning in Switzerland
As heatwaves become more frequent across Europe, Switzerland is confronting an unfamiliar question: whether rules around air conditioning should become less restrictive.
The country does not prohibit air conditioning outright. But installing a permanent cooling system in Switzerland is often far more difficult than in neighbouring countries, especially in some of its most populated cantons.
Geneva is widely regarded as the strictest canton. Homeowners seeking permission for fixed air-conditioning systems have in some cases been required to demonstrate a legitimate need, even requiring medical justification. Environmental concerns also play a role. The canton has long viewed air conditioning as energy-intensive and incompatible with its climate goals.
Critics say the policy has produced unintended consequences. Restricting efficient fixed systems has encouraged many residents to buy portable air conditioners instead. Such units are generally less efficient, noisier and consume more electricity.
Zurich, Switzerland’s most populous canton, also imposes significant restrictions, though its approach is more technocratic than ideological. Permanent split systems—with inside and outside components—often require building permits because outdoor compressor units alter the facade of buildings. Applicants may need to demonstrate that the installation meets strict energy-efficiency and noise standards. In practice, this can turn a simple home-improvement project into a lengthy administrative process involving acoustic studies, engineering reports and approval from municipal authorities.
Vaud, another populous canton, has historically attached environmental conditions to cooling systems, including links to renewable-energy generation. Yet the canton has gradually eased some rules in recent years, particularly for reversible heat pumps that can provide both heating and moderate cooling efficiently.