About Sarne

Sarne -  clean and healthy indoor air

Allergia- ja Sisäilma-apu Oy is a Finnish company founded in 2005, specializing in indoor air quality and respiratory well-being. The company's mission is to create healthy and comfortable indoor environments, both at home and in the workplace.

We sell and install products that help make ventilation and indoor air as clean, quiet, and draft-free as possible. Our core focus is improving ventilation using the highest-quality air supply vents on the market.

The founder of Allergia- ja Sisäilma-apu Oy, Kari Sarne, has dedicated over thirty years to promoting cleaner and healthier indoor air. His expertise and enthusiasm have made him a visionary in the field. He has introduced several innovations that enhance the function and purity of natural ventilation systems—most notably the Aa-slot vents and duct filters.