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Termotohtori

Heating network design and Airsepex air-removal and flushing services for property owners in Helsinki region and Finland

Espoo, FinlandFounded 2007termotohtori.fiWebsite technologies

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Highlights

  • New on EvolcAdded 2026-10-28

About Termotohtori

Termotohtori Oy provides design and Airsepex services for heating and cooling networks, including filling and flushing of heating and cooling networks (including glycol). It also offers basic design, consulting, LVI technical consulting, measurement and adjustment work, and renewal of heat exchanger stations for district heating. The company developed the Jaconi dimensioning software and the Airsepex water treatment method.

Customers are property owners, including shopping centres, the head offices of two Nordic banks, office buildings, residential housing companies and older commercial properties. The company carries out projects for these clients.

Founded in 2007, Termotohtori is headquartered in Espoo and serves the Helsinki metropolitan area and wider Finland. Its founder, TkT Aatos Kärkkäinen, began developing methods for heating network systems more than 30 years ago and holds a doctoral degree in this field.

Product: Heating and cooling network design, consulting, and Airsepex filling and flushing services

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