Heat Pump Day: Viessmann showcases modern heating and energy systems at around 60 events across Germany
On International Heat Pump Day on 21 October, Viessmann is hosting around 60 events across Germany. Visitors can learn on site about heat pumps, modern energy systems and suitable solutions for their homes.
International Heat Pump Day on October 21 sends an important message about a technology that is gaining popularity among more and more people. Around the action day, Viessmann Climate Solutions is offering about 60 information events and trade fair appearances for interested visitors across Germany. The initiative underscores what applies at Viessmann year-round: every day is heat pump day.
Allendorf (Eder), October 1, 2026 – Is a heat pump right for my home? What should homeowners consider when replacing a heating system? And which solution is best suited to the specific conditions on site? Questions like these will take center stage around International Heat Pump Day on October 21. In personal conversations with Viessmann’s climate experts, visitors can learn about heat pumps and connected energy systems featuring photovoltaics, battery storage, and energy management. Around the action day, Viessmann Climate Solutions is hosting around 60 information events and trade fair appearances across Germany for homeowners seeking direct exchange with experts. Viessmann Climate Solutions is part of Carrier Global Corporation (NYSE: CARR), a global leader in intelligent climate and energy solutions.
The information offerings include heat pump classrooms at numerous Viessmann branches, regional heat pump information events, and trade fair appearances in various regions of Germany. On October 21 alone, Viessmann heat pump classrooms will take place in regions including Munich, Kempten, Mannheim, Frankfurt, Münster, Koblenz, Herford, Düsseldorf, Cologne-Bonn, Dortmund, and the Ederbergland region. The event overview also includes dates ahead of the action day, for example in Kassel, Freiburg, Münster, Mannheim, and Ulm. Additional offerings will follow afterward, including in Stuttgart, Wiesbaden, Karlsruhe, Siegen, Trier, and Leipzig.
Heat pump overtakes gas heating systems
International Heat Pump Day draws attention to a heating technology that now plays an important role in Germany. According to the sales statistics of the Federation of German Heating Industry, a total of 299,000 heat pumps for heating systems were sold in 2025, putting heat pumps ahead of gas heat generators, which reached 276,500 units.
Award-winning solution in focus
A special highlight at the information days will be Viessmann’s heat pump solutions, including the Vitocal 250-A air/water heat pump with a rated heating output of 10 kW (type AWO-E AC 251.A10), which has already been named test winner twice by Stiftung Warentest. At Viessmann branches, visitors can also experience the new Vitocal 200-A ie live. On site, they will learn which solution is suitable for their building and how heat and electricity can work together efficiently in their homes.
An overview of all dates and event locations, as well as registration information, is available at https://www.viessmann.de/de/aktionen/internationaler-tag-der-waermepumpe.html
About Viessmann Climate Solutions
Founded in 1917 as a heating technology manufacturer, today Viessmann Climate Solutions is a leading global provider of sustainable climate (heating, cooling, water and air quality) and renewable energy solutions. The integrated Viessmann Climate Solutions portfolio seamlessly connects products and systems via digital platforms and services, creating an individualized feel-good climate for users. Viessmann Climate Solutions is part of Carrier Global Corporation, global leader in intelligent climate and energy solutions. For more information, visit www.viessmann-climatesolutions.com
