WWZ Zug Commercial Building

This new office building is being designed to meet high standards for energy efficiency for WSP’s client WWZ Zug, a Swiss supplier of energy, telecommunications and water.


  • Zug, Switzerland


  • WWZ Energie AG, Zug

Project Value

  • CHF 7 Million

Project Status

  • Due to be completed end of February 2021


  • Boltshauser Architekten AG

General Planner

  • S+B Baumanagement AG

The new WWZ Zug building is an office building with an integrated computer centre. The building consists of 3 upper floors for office use and 3 basement floors with car parking garage, computer centre, mains backup and transformer system. The roof and the facades are equipped with photovoltaic panels.

The computer centre complies with the Uptime Institute "Tier II Standard". The installed cooling capacity is 2 x 566 kW.

Systems planned by us:

- Heat generation 
The heat is generated by 2 heat pumps consisting of 2 modules with 70kW each. The waste heat from the computer centre is refined and fed into the heating network.

- Cooling generation

2 cooling generator groups, each consisting of an ammonia cooler with piston compressor of 560 kW

- Heat / cold distribution
Air-conditioning of the office floors on the ground floor to the 2nd floor by means of hybrid ceiling modules to fulfil the multifunctionality of heating, cooling, ventilation and acoustics.


Image with the kind permission of: Architecture and Visualization Boltshauser Architekten AG