Passive House Systems Competitors

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For more than 80 years, the VELUX Group has created better living environments for people around the world; making the most of daylight and fresh air through the roof. Our product programme includes roof windows and modular skylights, decorative blinds, sun screening products and roller shutters, as well as installation and smart home solutions. These products help to ensure a healthy and sustainable indoor climate, for work and learning, for play and pleasure. We work globally – with sales and manufacturing operations in 35 countries and around 11,000 employees worldwide. The VELUX Group is owned by VKR Holding A/S, a limited company owned by the Villum Foundation and members of the Kann Rasmussen family. The VELUX Group’s financial results are incorporated into VKR Holding’s consolidated accounts. In 2024, the VELUX Group had a total revenue of EUR 2.96 billion, VKR Holding had a total revenue of EUR 3.87 billion, and the Villum Foundation and the VELUX FOUNDATION donated EUR 169 million in charitable grants.

The Zehnder Group is an internationally operating company and is one of the foremost suppliers of radiators (RAD), comfortable indoor ventilations systems (CSY) and radiant heating and cooling ceiling systems (RHC). Employing around 3,200 members of staff, it has many production locations and various branch offices around the world.