The Vaillant Group is an internal family-owned company with a tradition of more than 135 years. In its core business of heating technology the company is the second-largest European manufacturer in this branch. In addition, the Vaillant Group is active in the branches of ventilation and air-conditioning technology. The company develops and manufactures its products and services at sites in Germany, France, the United Kingdom, Spain, Italy, Slovakia, Turkey and China. The Vaillant Group is present in over 20 countries with own national sales companies, and exports to more than 60 states.

An important focus of the Vaillant Group is on products and systems that use renewable energies. There is a growing demand for these products across Europe. This applies above all to heat pumps, which utilise the heat from the earth or the ambient air, and solar thermal systems. Another important pillar is hybrid systems. They combine renewable energies with various heating appliances to provide especially efficient and intelligent systems.

For the Vaillant Group as one of the world´s leading manufacturers of environment-friendly heating and air-conditioning technology, sustainability plays an integral role. Home and world climate are inseparable. Modern heating technology already today can make an important contribution to achieving the climate protection targets. In Germany alone, replacing old heating systems with highly efficient technologies can save more than 30 per cent of energy a year and reduce CO₂ emissions by a corresponding 30 per cent.