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Automated cleaning as part of building design
The use of autonomous cleaning robots at the Dresden City Forum was taken into account right from the construction planning stage. Power connections, charging positions and cleaning routes were specifically tailored to the requirements of Nexaro technology. This enables seamless integration into daily operations – without any subsequent effort during ongoing operations.
“The robots run at night when no one is in the building, and in the morning all employees arrive to find a clean building,” says Julius Butze, Sales Assistant at Dr. Butze GmbH, which supported the project.
The automated solution follows Nexaro's cobotic approach: While the robots handle the basic cleaning at night, the cleaning specialists concentrate on completing the finishing work in the morning. This targeted division of tasks leads to measurable efficiency gains and a significant reduction in workload for employees. Thanks to the early integration of the cobotic approach, a more efficient cleaning process was established at the Dresden City Forum during the construction phase, which specifically lightens the workload for cleaning specialists, enhances their work and, at the same time, ensures a consistently high cleaning quality.
Efficient in everyday life – tailored for use at the City Forum
The Nexaro NR 1500 is designed for continuous operation in professional environments. At the Dresden City Forum, 25 devices clean an area of approximately 5,000 square meters every day. With a battery life of up to 250 minutes, a 1.4-liter dustbin, and a washable HEPA filter, the system ensures thorough cleaning while simultaneously improving the indoor climate – a plus point especially in public-facing administrative buildings.
The entire fleet is controlled via the cloud-based Nexaro HUB. The platform enables centralized management, planning, and monitoring of all deployed robots. This also applies to complex building structures or multiple operational levels.
Data protection compliant technology – sensor-based instead of camera-monitored
The protection of personal data plays a central role, especially in public spaces. The Nexaro NR 1500 cameras used at the Dresden City Forum were selected with precisely these requirements in mind: They operate entirely without cameras and do not collect any personal data. Instead of image-based systems, the technology uses a combination of highly developed sensors and AI-supported mapping to orient itself safely and efficiently within the space for cleaning.
This means the solution complies with the requirements of the General Data Protection Regulation (GDPR) and is particularly suitable for use in public-facing, sensitive areas, such as administrative buildings, educational institutions, or health facilities. The camera-free approach not only ensures legal certainty, but also acceptance and trust in daily operations, among cleaning specialists, employees, and visitors alike.
Certified safety for municipal use
In the public sector, legal certainty is a key factor for the use of technical systems. The Nexaro robots used have been tested by TÜV SÜD and meet the requirements of the Machinery Directive 2006/42/EC and the international standard IEC 63327 for commercial cleaning robots. In addition, they bear the GS mark in accordance with the Product Safety Act (ProdSG). This ensures that its use is not only legally compliant, but also meets the high standards for operation in publicly accessible areas.
Model for digital transformation in municipal cleaning
The Dresden City Forum is a successful example of how modern cleaning technology can be meaningfully integrated into public building management. The combination of forward-looking planning, automated cleaning solution, and demonstrably legally compliant operation shows how efficiency, cost-effectiveness, and lightening the load for cleaning specialists can be achieved even within a municipal context.
As a fully equipped new building with digital infrastructure, the City Forum is already considered a model project for smart building operation and demonstrates the potential of systematically integrating robotics.
About Dr. Butze Dresden
Dr. Butze GmbH, based in Dresden, has been established in Saxony for over 35 years as a specialist wholesaler for professional cleaning and hygiene systems. The owner-managed company is synonymous with high consulting expertise, customized solutions to suit individual customers, and long-standing partnerships in professional building cleaning. As a reliable trading partner, Dr. Butze GmbH serves commercial and municipal customers with a comprehensive range of machines, cleaning chemicals, hygiene papers, and accessories—complemented by comprehensive services, such as user training, a repair service, and digital ordering solutions. With its combination of practical experience, technical know-how, and future-oriented solutions, Dr. Butze GmbH is one of the region's leading providers in the industry.
About Nexaro
Nexaro is an internationally operating start-up from Wuppertal and part of the Vorwerk Group, which has been a guarantee of the highest quality since 1883 – and today is a globally active group generating €3.2 billion in turnover and employing 9,307 staff members in over 60 countries (as per the 2024 Annual Report). As an independent company within the Vorwerk Group, Nexaro benefits from mutual knowledge and technology transfer and has the necessary freedom to develop the business model tand become a driving force in the cleaning industry with the innovative Nexaro cobotic approach. In recent years, Nexaro has entered into numerous long-term partnerships at the international level – the Wuppertal-based technology company is now represented in over 10 European countries. Intensive research and development work, as well as cooperation with leading companies in the industry, have enabled the Nexaro NR 1500 and Nexaro NR 1700 autonomous robot vacuum cleaners and the associated software solution Nexaro HUB to be developed. In addition to its focus on achieving the highest quality, Nexaro places particular emphasis on product and data security, as well as on cybersecurity.