The DualSun solar panel is an advanced hybrid solar (PV-T) technology that produces simultaneously electricity (photovoltaic) and hot water (solar thermal).

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Heating, cooling, air conditioning and renewables - Vaillant offers a full range of products and perfect system to meet almost any requirements. Long-lasting quality "Made in Germany", efficiency, innovative strength and sustainability: Vaillant products feature many ideals of German engineering.

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The Viessmann Group offers a comprehensive range of products and services covering heating, industrial and refrigeration systems, with individual solutions and services ranging from 1.5 to 120,000 kW for all fuel sources and all areas of application.

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