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Last edited: 30 May 2025
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The Kiin solar dryer is available for purchase through Solar Brother. Photo credit: Bernhard Müller
The Kiin solar dryer (self-constructed) Photo credit: Bernhard Müller
The Kiin solar dryer bing used in Uganda with AfriShiners, Photo credit: Bernhard Müller
The Kiin is a compact and tested solar dryer designed by Bernhard Müller, and will be available in August 2022 for purchase through Solar Brother, his partner company in France.
The commercial dryer will come in three different versions: 1. with natural draft, 2. with photovoltaic cell powered fan and 3. with thermo-element to control the fan.
Bernhard also has construction instructions available for a simpler version. He created a manual for the Kiin solar dryer to explain its functions and assembly. The dryer can be made with inexpensive materials and should be easy to build.
Kiin schematic showing air flow
News[]
Christian Fenner displays the fruits, freshly sliced and dried bananas, of his solar drying in the Kiin, Photo credit: Christian Fenner
- May 2025: Christian Fenner, a solar cooking and solar drying advocate with the LAZOLA-Initiative, built a KIIN according to Bernhard's instructions - the simplest version, without a fan, or thermo-element to control the fan. With the very sunny spring and early summer in Germany this year (2025), the solar dryer has worked very well. He displays freshly sliced and dried bananas, which would have been wasted without this solar drying option. A very tasty snack! Contact the LAZOLA-Initiative at info@lazola.de if you have questions.
Kiin solar dryer version by Juan Antonio Marín Pacheco, Chilean version, Photo credit: Juan Antonio Marín Pacheco
Experience:
- November 2022: Bernhard Müller has passed along a photo of a Kiin "Chilean version" variation by Juan Antonio Marín Pacheco, with multiple drying drawers at the top level.