Vaillant quality: built to last.

An investment in your future.
At Vaillant, we take sustainability a step further. After all, durable products and high quality are just as eco-friendly as high efficiency. That is why we make sure that our whole product range meets the highest expectations. By testing beyond the norm and keep on raising the bar – to set new standards for what quality and performance mean.
- More than 150 Years experience.
Johann Vaillant revolutionised comfort back in 1874. Today, we are still a family business that stands out with over 150 years of experience.
- Produced in Europe.
Our products combine German engineering with high production standards in Europe to achieve the highest quality.
- Leading the way with innovations.
Thanks to ongoing research and development, Vaillant is one of the technological leaders in the heating technology sector.
- Tested for durability.
All our products undergo 300 different functional and accelerated life tests in our own test center. This is how we ensure durability.
What Vaillant stands for
Reliability is our business.
Long-lasting innovation is our tradition.
Vaillant products are designed for durability. Our commitment to innovation ensures that our appliances are efficient, sustainable, and a smart investment for the future. That’s why we offer a long-term guarantee of five to seven years on our products. Should any issues arise, we provide spare parts for up to 15 years after production ends. This dedication not only benefits the environment but also earns the trust of our customers, with over 30 million choosing Vaillant.


Trust in over 150 years of experience.
Vaillant has always been at the forefront of efficient and sustainable heating technology – and with our founding in 1874, we have over 150 years of experience to back it up. With us, you're choosing a partner whose strictly focused on providing nothing but the best – not just in terms of technology, but also in terms of customer experience: Today over 340,000 installer partners support us industry-wide and around 4,500 Vaillant service employees care about your service needs everyday.
The Vaillant standard
Quality and innovation thrive in our global production.
For over 150 years, we've upheld high-quality standards across all our products and production facilities. We continuously invest in modern production lines and expand steadily: Our latest addition is a factory for the production of 5 million electronic components yearly. It supplies all Vaillant sites with components required for the regulation and control of modern heat pump systems and gas heating appliances. With our new Johann Vaillant Technology Center – the modern brain of our research and development – we continue to develop quality products that set new benchmarks in heating comfort and efficiency.


Our heat pumps: extremely tested for extreme durability.
A heat pump thrives on teamwork. Across Europe, 350 dedicated professionals at the Vaillant Group collaborate to perfect their design: From intensive research and thoughtful development to in-house manufacturing and extensive testing: Highest quality standards are at the core of everything we do.
But how do we ensure that our heat pumps are ready for any challenge? The answer lies in our philosophy of never compromising. And, of course, in over 300 rigorous tests. This is what makes Vaillant products market-leading solutions in heating technology.


Our gas boilers: pushed to maximum efficiency.
Nobody knows gas boilers better than we do. As the leading manufacturer we produce highly efficient appliances throughout Europe: 98 % of the combustion energy is used to generate heat. And we continue to work on improving the technology and finding solutions for the energy transition.
One element could play a central role in the heating transition: Hydrogen. And we at Vaillant are leading the way. From 2026, you can convert our and models to run on 100% hydrogen with our specially developed conversion kit. This commitment ensures our gas appliances are a future-proof investment for your home.
What we have to say
The people behind the Vaillant quality
Get to know the experts behind our heating solutions and learn more about their daily mission to shape the future of efficient home comfort.
"Sustainability has always been our factory setting."Jochen WriskeSenior R&D Manager at Vaillant








