International growth with environmental friendly technology and domestic know-how

The time has come to enter a new age. The field of ventilation is rapidly developing. Energy efficiency is more important than before and the demands of our customers become more and more diversified. We want to ensure our position in the future as the leading company in the field of stratifying ventilation. That is why we take new steps in developing our our activities during our second decade.

What actually happens in your doorway?

For a retailer opening the doors of your business to invite customers into your premises is a commercial advantage as it generates more traffic into the store.

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You can find smoke videos here!



Optimal air curtains on cold storage doors ensure logistics security and increase productivity due to the absence of physical barriers (doors). 


Preliminary research results just published by Aalto University, the Finnish Meteorological Institute, VTT and the University of Helsinki show that aerosol particles carrying the coronavirus can last longer in room air than previously thought. Aerosol particles escape from the airways when coughing, sneezing or even talking. 


An extension of the West Metro is under construction from Matinkylä in Espoo to Kivenlahti. In all, a seven kilometre long line and five new stations are under construction: Finnoo, Kaitaa, Soukka, Espoonlahti and Kivenlahti. 


Stravent Oy
Piispantilankuja 4
02240 Espoo
(09) 4241 3630
Satanolla Oy