Viessmann acquires stake in Slovenian software specialist Nomnio

Nomnio is a software solution provider specialized in the design and development of connected products, services and solutions (IoT) for the European market | Strategic partnership to deliver dynamic growth in expanding market | Startup and family business ideally complement each other

Nomnio team in the entrance hall of their office building in Maribor, Slovenia

Allendorf (Eder), Dec 1, 2022  – The Viessmann Group ("Viessmann") has acquired a minority stake in Nomnio d.o.o. ("Nomnio"). Nomnio is a fast-growing software development company for connected products, services and solutions focused on the European HVAC market (heating, cooling, ventilation) and based in Maribor, Slovenia. The Nomnio team consists of around 20 engineers and will continue to be led by founders Matej Hertiš, Gregor Srdić and Martin Potočnik.

Matej Hertiš, founder and CEO:  "The goal of our strategic partnership is to become one of the leading providers of IoT development services in the European HVAC market together with Viessmann."

Timo Tauber, Managing Director Viessmann Investment:  "With Nomnio we have found a dynamic software developer that can deliver many of the IoT requirements of our portfolio companies. Our investment is a strategic investment in a business area that is becoming increasingly important for all companies, and it contributes to our purpose of creating living spaces for generations to come."

Nomnio specializes in IoT (Internet of Things) and has all the necessary capabilities to bring connected solutions to market. The company has established itself as a trusted partner and service provider in the European market during its nine years of existence.

Both parties have agreed not to disclose the purchase price.

About Nomnio

With 15+ years of experience in the integration of information systems and 10+ years in IoT, Nomnio empowers its partner companies to become connected enterprises and enables them to realize the full potential of their products. Nomnio covers a broad range of use cases, from climate (heating, cooling and air quality) to energy management and smart metering with a focus on the European market. Based in Maribor, Slovenia, Nomnio operates with a clear purpose: “We live for progress – we employ technology to make people's lives better.”

About Viessmann

Viessmann is the leading provider of climate solutions for all living spaces. The ‘Integrated Viessmann Solutions Offering’ enables users to connect products and systems seamlessly via digital platforms and services for climate (heating, cooling, air quality) and refrigeration solutions. All solutions are based on renewable energy and maximum efficiency. All activities of the family company, founded in 1917, are based on its purpose. “We create living spaces for generations to come” – that is the responsibility of the global Viessmann family with 13000 members.  


Press contact:

Byung-Hun Park
Vice President Corporate Communications
Phone: +49 151 64911317  


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Nomnio team in the entrance hall of their office building in Maribor, Slovenia