More quality with less effort for installers.

We are an international company headquartered in Germany and are one of the leading providers of energy consumption recording and billing in buildings. Our goal: to make energy transparent by optimizing and digitizing buildings in more than 20 countries, thus making them future-proof and sustainable.

We make buildings sustainable and retain their value. We do this by managing data and processes that make buildings climate-friendly, safe, and comfortable. Worldwide, more than 43 million devices are already connected to our solutions for the energy-efficient buildings of tomorrow.

With our data-driven products and services, we provide residents with insight into their energy consumption, enabling them to save energy, reduce costs, and lower their CO₂ emissions. In this way, we increase energy efficiency and the value of real estate. As innovators, we are constantly focusing our infrastructure on the Internet of Things.

We rely on the latest and proven technologies — both wireless and wired — to guarantee accurate measurement results. Our solutions are state-of-the-art, reliable, and ensure a secure data transfer.

With over 70 years of experience, we combine tradition with modern expertise for future-oriented solutions in building management.