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Hubert Burda Media, Offenburg

Increasing the efficiency of the chiller system and expanding peak cooling capacity

Ice storage challenge

The challenge

Increasing the energy efficiency of the existing chiller system, space-saving installation

Icon - Ice storage - specific task

Purpose of the system

Air conditioning for an office building

Icon - Ice storage technology in use

Technology in use

Ice storage tank type INSITU

sp.ICE ice storage system dynamics icon

Performance data

  • Storage capacity: 110 kWh
  • Charging time: 14.4h
  • Charging power: 700 kW

Customer

Hubert Burda Media is an international media group. Its products include the magazines Bunte, Focus, and Chip Online, as well as the business platform XING and the retailer Cyberport. Its nearly 10,000 employees generate around 3 billion euros in annual sales. The 67-meter-high Hubert Burda Media Tower at the company headquarters in Offenburg is an office building from the 1960s that was extensively modernized in 2004. Its 7,200 square meters of gross floor space accommodate 200 workstations. Since 2025, the sp.ICE ice storage system in the underground concrete tank has provided efficient air conditioning.

Scope of supply and services

  • Planning, production and on-site assembly

Purpose of the system

Improve the energy efficiency of the existing refrigeration system by integrating an ice storage unit. Expand reserve capacities to cover peak cooling loads

Challenge

Short delivery time, space-saving storage in concrete tanks

Client

Sell GmbH

Commissioning

2025

Other Projects

  • Cooling supply for new technology park building

  • Cooling supply for theater

  • Cooling supply for a green data center and local cooling network with emergency supply

  • Compact ice storage for new building complex

  • Ice storage for production and logistics centre

  • District cooling network

  • 3 ice storage modules for the air conditioning of an office building

  • GRP ice storage for cooling foodstuffs