Copper 

a material with high security and optimal thermal conductivity

The heating contractor is aware of the resilience and longevity from copper through personal experience.

Copper is nearly unlimited durable, which prove 2000 years old pipes from the Roman period.

Copper is not subject of oxygen diffusion, because it comes from a hot liquid melt.

Chilled ceilings with copper technology take advantage of the material properties and use them optimally with a low use of material.

Zehnder carboline