Telia Company, Denmark


Telia Company is Scandinavia’s leading telecommunications provider and is present in other Baltic countries.


We were commissioned to design a new high-efficiency cooling solution for one of Telia’s data centers and further increase its ecological profile, without compromising operational reliability.


In collaboration with our Danish partner UniCool A/S, we have developed a solution that consists of two Turbomiser chillers controlled by a single gateway, with oil-free centrifugal compressors for a total power of 400 kW (113.7 RT).

Thanks to this type of compressors, it is possible to use flooded evaporators that improve the efficiency of the units (EER 4.49 W/W*).

In addition, the chillers have been designed to use HFO-1234ze, the greenest refrigerant in the world, with GWP<1 (according to a 2015 IPCC study) and classified as A2L according to ASHRAE 34.

*Cooling kW/RT = 0.78 – Cooling EER BTU/Wh = 15.32