Skip to main content

CommunicationPublished on 20 August 2025

The heat-free house: How Swisscom cools a building for 2 000 people using 20 times less energy

A huge business park, directly between concrete buildings, railway and motorway, exposed to the sun. And yet never over 25 degrees. This is made possible by a visionary indoor climate concept – which requires 20 times less energy than conventional air conditioning systems.