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Building Energy Act

What applies now and how you can meet the requirements for non-residential buildings with innovative technologies.

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Europe aims to become the first climate-neutral continent by 2050. The building sector has a key role to play in achieving this goal. The EU Energy Performance of Buildings Directive (EPBD) and the Building Modernization Act (GModG), which replaces the previous Building Energy Act (GEG), make the achievement of this goal a legal obligation. Find out to what extent your buildings are affected and how you can meet the new requirements with future-proof technologies.

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Building Modernization Act - National implementation of the EU Energy Performance of Buildings Directive

To establish the legal framework for decarbonizing the building sector, the EU Directive on the energy performance of buildings, the Energy Performance of Buildings Directive (EPBD), was adopted in 2003.

In Germany, the requirements of the EPBD have been implemented through the Building Modernization Act (GModG) since July 10, 2026.

The GModG builds on the GEG, advances the requirements for energy efficiency, the use of renewable energy and the digitalization of buildings, and creates an updated framework for climate-friendly building operation. For non-residential buildings, the focus is particularly on building automation, energy data management and the modernization of technical building equipment.

Our solutions for the key GModG requirements

The new GModG requirements affect not only owners and developers, but also engineering firms and contractors specializing in HVAC and building control technology. We highlight relevant changes for non-residential buildings and explain how we can support you in implementing the requirements.

Immediate or step-by-step decarbonization of heat supply

The GModG puts climate-neutral heat supply for buildings at the center. Instead of a fixed 65% renewable energy requirement, as previously stipulated by the GEG, operators are encouraged to decarbonize their heat supply either immediately or in stages. There are many ways to meet the requirements, for example by connecting to a district heating network or electrifying the heat supply. We identify the right solutions for you and support you from consulting and planning through implementation and operation of innovative and sustainable heat supply concepts.

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Installation of building automation in non-residential buildings

Building automation remains a key element of the GModG for improving building energy efficiency and decarbonization. The requirements for digital energy monitoring and building automation and control in non-residential buildings, which were introduced with the GEG, are being continued and tightened in certain areas. New additions include more stringent requirements for monitoring and optimizing indoor climate, as well as demand-based, energy-efficient lighting control. We offer a comprehensive portfolio of modern building automation systems and support you with digital energy monitoring solutions to continuously monitor, analyze and optimize your energy consumption.

Measures for greater operational efficiency

The GModG continues to specify mandatory measures for optimizing operations in order to run heating systems efficiently and minimize building energy consumption, for example regular inspection and optimization of heating systems and hydronic balancing. Our pressure-independent valves and actuators make it easy to optimize hydronic flow. For efficient operation, we offer solution concepts that include both implementation and measures for long-term energy savings.

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