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Reliable heat generation for a sophisticated building design

Bucharest, Romania
Bucharest, Romania

Efficient and reliable heating for the Equilibrium office complex in Bucharest: Hoval UltraGas 2 gas condensing boilers.

  • Office building
  • New Building
  • UltraGas

Nowadays, modern office buildings must meet high standards in terms of economy, user comfort and climate protection. To provide the heat supply for the Equilibrium office complex in Bucharest, the planners opted for Hoval UltraGas 2 gas condensing boilers – a high-performance heating solution that guarantees reliable and resource-efficient building operation.

As one of Bucharest’s most distinctive office districts, Equilibrium offers modern workspaces covering around 40,700 m², designed to promote flexibility, comfort and a healthy work-life balance. The name ‘Equilibrium’ symbolises the project’s guiding principle: the combination of work, well-being and functionality. 

Building services also play an important role in this regard. It combines a high level of user comfort with energy efficiency and economy, thereby making a significant contribution to the area's commitment to sustainability.

Reliable condensing boiler technology for maximum economy

During the first phase of construction, two Hoval UltraGas 2 condensing boilers, each with an output of 850 kW, were installed to provide heating for the Equilibrium. And for the second phase of the expansion, those in charge once again relied on Hoval’s tried-and-tested heating technology: Two UltraGas 2 condensing boilers, each with an output of 700 kW, were used in Equilibrium 2. The new generation of boilers combines high performance with further improvements in energy efficiency, ensuring that the energy concept of the office block was consistently implemented and adapted to the requirements of the expanded building complex.  

UltraGas 2 condensing boilers utilise the heat of condensation contained in the waste heat, thereby achieving a particularly high level of energy efficiency. This calorific value effect enables standard efficiency levels of up to 109 per cent to be achieved, significantly reducing primary energy consumption, operating costs and CO₂ emissions in the process. 

Another advantage lies in the modulating operation of the components. Gas condensing boilers flexibly adjust their output to match actual heat demand, thereby ensuring operation tailored to requirements even when the load fluctuates. Particularly in modern office buildings with varying usage patterns, this lays the foundation for a reliable, cost-effective and, not least, comfortable heating supply.

The project at a glance

  • Project: Equilibrium & Equilibrium 2, Bucharest, Romania
  • Completion: End of 2022
  • Project developer: Skanska Romania 
  • Building type: Office building 
  • Area: Approx. 40,700 m2 (including 3,500 m2 of green spaces and recreational areas) 
  • Hoval solution phase 1: 2 × UltraGas 2 (850) 
  • Hoval solution phase 2: 2 × UltraGas 2 (700) 
  • Application: Heat supply and heat generation for modern office buildings 
  • Key features: Energy-efficient heating solution, supports LEED Platinum certification
  • View System Diagram

Hoval UltraGas and UltraGas 2 gas condensing boilers in the Equilibrium office complex in Bucharest

Benefits of the Hoval heating solution used

The UltraGas 2 condensing boilers installed as part of the Equilibrium project offer numerous benefits for modern office and commercial buildings:

  • Efficiency levels of up to 109 per cent (based on the net calorific value)
  • High performance across the entire power range 
  • Low CO₂ emissions and reduced primary energy consumption 
  • Flexible cascade solution for maximum security of supply
  • Cost-effective operation thanks to low fuel consumption
  • Highly adaptable to different building designs
  • Support for sustainable building and certification strategies 

The Equilibrium office complex in Bucharest

Product advantages

Hoval UltraGas 2 gas condensing boiler

  • Cost-effective operation. 
  • A secure investment. 
  • Compact transport and installation dimensions. 
  • Suitable for hydrogen and biomethane. 
  • Straightforward integration into heating systems.

Heating technology as a key component of LEED Platinum certification

Sustainability was a key guiding principle in the development of the Equilibrium complex. This commitment is also reflected in the choice of building services. Thanks to their high energy efficiency and low CO₂ emissions, the installed UltraGas 2 condensing boilers make a significant contribution to achieving LEED Platinum certification. At the same time, they lay the foundations for the environmentally friendly and cost-effective operation of buildings.