Versatile wood windows

The wooden window is our much-loved evergreen. Never out of fashion, always up to date. Wood as a material has all its advantages: It is incredibly resilient. Stable and almost infinitely malleable. Durable, sustainable and natural. No question: Wooden windows are our not-so-secret favorites.

Alpine NJ project
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Hardly any building material is as flexible as wood - and at the same time so stable. In technical jargon, we say: Wood has the best physical properties for the construction of windows. That's why we can build round windows out of wood. Or very large panorama windows. Windows with very narrow muntins. Sliding windows and swing windows. Or even round arch windows.



climate friendly

Wood only needs sun and water to grow. And in the process, it stores CO₂. Even when processed into windows, the CO₂ remains bound in the wood.

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With proper care, wooden windows last 40 years longer than PVC windows. Quirks and color deviations can be easily repaired.



Wooden windows can absorb moisture and release it back into the room. Thus, they provide a healthy living climate.



Wood feels good. It smells good and naturally brings everything to become ultra-stable and durable windows and doors.

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heat insulting

Wood inherently provides the best thermal insulation values. With modern glazing, it becomes a window that nothing leaves cold so quickly.

We love wood. Since 1880.

Sorpetaler-Fensterbau Eduard-Appelhans Fensterproduktion

Warm, fragrant, living wood. I grew up with it. Even my great-grandfather was influenced by the love of this unique material. And more than 60 years ago, my father focused all his skills on one of the most sophisticated products that can be built with wood: windows!

Eduard Appelhans

Managing Director

How to get our products

Step 1


You provide us with initial information about your building project. You are welcome to send us a quick and easy e-mail to

step 2


We forward your inquiry to one of our qualified partners in your area.

step 3


Our partner will provide you with expert advice on products and features at your location and can prepare a proposal. We encourage all partners to also provide installation services directly or indirectly, or assist in sourcing local trained and qualified installers.

step 4


As soon as we receive the order, we manufacture your windows and doors to size. After delivery, our partner installs them.

Frequently asked questions about the wooden window