The tallest building of the EU now resides in Wroclaw in Poland. As a beautiful landmark to modern architecture, high user comfort and sustainable practice, the 212 meter high Sky Tower forms the pleasant setting for thousands of people living and working in the building.
Sky Tower Wroclaw offers 51 floors of shopping, offices and 240 luxurious apartments. The overriding idea of the building is to delight people with outstanding indoor comfort and low energy consumption fulfilling the latest standards of energy efficiency.
The impressive building structure providing sky-high comfort to users and residents is a perfect match to the new image that the city of Wroclaw has earned within Europe as a dynamic and trendsetting city.
User comfort and sustainability have guided the building design
The ambition of the building owner has been to provide users and residents with superior indoor comfort. To match the ambition the concept of “comfort air conditioning” has been applied in the cooling solution of the Sky Tower. This means that the temperature can be changed by users and residents to create pleasant thermal comfort in every room depending on the use of each room, the outdoor temperature, etc.
The heating and cooling of the Sky Tower is designed as a four pipe solution, where heating and cooling are separate systems. In pace with the seasons the change from cooling to heating or vice versa is performed automatically from a central function.
State-of-the art cooling with pressure independent valves
Danfoss was in charge of designing the complete cooling solution, applying pressure independent balancing and control valves (AB-QM) to secure an even flow, easy to control and with low maintenance costs throughout the service life of the installation.
“The installation contractor M+W has had previous positive experiences with the AB-QM pressure independent balancing and control valves in large, hydronic balancing systems. They chose the AB-QM valves from Danfoss due to the technical features of the valves and benefits like the fast installation, easy commissioning and the high reliability of the valves”, says Sebastian Brzoza, Product Manager for Hydronic Balancing at Danfoss Poland.
The reliable and flexible cooling solution achieved by the use of pressure independent balancing and control valves has also resulted in a very high energy efficiency of the building.
About the Sky Tower
• The tallest building in the EU, 212 meter high, 51 floors
• Office space: 21,987 m2, commercial space: 24,349 m2, 240 apartments
• Construction period: 2007-2012
• Investor: LC Corp
• Installation contractor: M+W Wroclaw
• Architect: Studio Archiektoniczne FOLD s.c.
'Sky Tower provides Class A+ offices with comfort air conditioning controlled by the individual user. The cooling solution has been designed and commissioned by Danfoss using AB-QM pressure independent balancing and control valves for perfect flow control.'
- Sebastian Brzoza, Product Manager Hydronic Balancing
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AB-QM Pressure Independent balancing and Control Valves (PICV) provide both a control functionality and dynamic balancing solution for HVAC heating and cooling systems. PICVs are designed for various types of terminal units, Air Handling Units (AHU), chillers and provide high indoor comfort and energy efficiency in public and commercial buildings.
