Solar
Vaillant solar energy systems use the energy of the sun in an optimum way for heating and hot water preparation - environmental-friendly and energy saving thanks to the most modern solar system technology.
Solar thermal heating
Solar energy for free - you save up to 60% of the energy costs with our solar collectors.
Discover the energy for free
Photovoltaic
Photovoltaic: The future of electricity supply! Renewable energy will pay off for several decades.
Discover the electricity for free