viboo has raised €3.3M in funding to fuel its expansion into the German market

Swiss building automation software company viboo has secured €3.3 million in seed funding led by Realyze Ventures, joined by Zürcher Kantonalbank along with other new and existing investors. The cloud-based building management system can be retrofitted easily and wirelessly connects with common IoT devices in commercial buildings, using AI to learn heating patterns and control them proactively to deliver energy savings without sacrificing comfort.

The funding addresses urgent market needs as buildings generate over 40% of global CO₂ emissions while regulatory pressure increases toward the EU’s target of net-zero emissions for existing building stock by 2050. By 2030, 5.38 million commercial buildings must reach at least energy class “E” or risk becoming stranded assets, with low-efficiency buildings already losing approximately 4% of value annually as automation systems become mandatory for many building types.

viboo’s solution is already deployed in more than 100 buildings, producing average energy savings of 27% through its scalable model that integrates with leading building tech vendors using open software interfaces rather than proprietary hardware. The platform enables fast, straightforward deployment by qualified installers through a dedicated app, while the company works with both direct clients including municipalities and real estate firms, and installation and facility management partners.

“Our solution convinces because it is easy to implement, delivers fast results, and generates immediate savings,” said Felix Bünning, Co-founder of viboo. “Now we are taking the next big step with our entry into our first EU market, where a combination of energy prices and regulation creates a strong pull.” The investment from PropTech VC Realyze Ventures reflects confidence in viboo’s approach to improving building energy efficiency with minimal interventions while delivering measurable savings.

The new funding will support expansion into the German market, where demand is rising due to the Building Energy Act (GEG), while driving the platform’s evolution from dedicated energy management to comprehensive building management system with additional features including individual heating cost billing. The strategic expansion positions viboo to capitalize on growing regulatory requirements and market demand for cost-effective building decarbonization solutions across European markets.

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