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Vaillant Group
Energy transition
The energy transition starts at home
Buildings are among the largest consumers of energy and account for a significant share of CO2 emissions. In Europe, around 40% of final energy consumption is attributable to the building sector, particularly for space heating and hot water. The transition to modern heating technologies therefore represents an important element in reducing emissions. At the same time, greater use of domestically generated renewable energy reduces Europe’s reliance on energy imports. With energy-efficient products and services, the Vaillant Group supports the energy transition in buildings.
Vaillant Group
The building sector: a key lever for the energy transition
(as of 2024)
Why modern heating systems are crucial
Decarbonising the building sector is possible by transforming heat supply – moving away from fossil fuels and towards technologies such as heat pumps that use renewable energy.
The technology is already available:
Heat pumps make use ambient heat, for example, from the air, the ground, or groundwater.
Photovoltaic systems generate electricity directly on site.
Energy storage systems ensure that energy from renewable sources can be used later.
Digital energy management systems connect all components and optimise the operation of the heat pump – delivering even greater efficiency and lower emissions. When needed, the heat pump parameters are adjusted automatically, reducing energy consumption and costs by up to 15%.
The interaction of these systems makes households less dependent on fossil fuels and can contribute to optimizing operating costs. In this way, property owners may benefit from reduced energy expenses while maintaining a high level of comfort. At the same time, it represents an investment in maintaining and increasing the value of the property.
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Technologies for the future
Bringing comfort and sustainability together: products from the Vaillant Group can support the transformation of heating and cooling systems in the building sector – both in new builds and in the energy-efficient refurbishment of existing buildings.
A key focus is on the use heat pumps. They operate using around 75% renewable energy, requiring only about 25% electricity to run. If this electricity comes from renewable sources, direct operational emissions can be reduced. This makes heat pumps a key technology to raise energy efficiency in of the building sector.
Gas-fired condensing boilers can also be integrated into hybrid systems alongside renewable technologies. In addition, the latest generation of Vaillant condensing boilers can already run on up to 20% hydrogen. For units up to 30 kW, a conversion kit is available to enable operation with 100% hydrogen.
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Our technologies at a glance
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Modern heating technology as a key to decarbonisation
The framework for decarbonisation is defined by global climate agreements and the EU’s target of achieving climate neutrality by 2050. As an interim milestone, CO2 emissions in the European Union are to be reduced by 55% by 2030.
Significant renovation needs in existing building stock
With its “Renovation Wave”, the EU aims to support the achievement of these goals and accelerate the modernisation of existing building stock. The objective is to at least double the renovation rate to 2% of buildings per year by 2030.
A key focus is the replacement of outdated, inefficient heating systems. Modern, high-efficiency technologies such as heat pumps play a pivotal role in sustainably reducing both energy demand and CO2 emissions.
For current and official information on our sustainability activities, targets and measures, please refer to the Climate Transition Plan of the Vaillant Group.
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