Contact us


We are delighted that you are interested in the Themo system that allows you to save electricity and conserve the environment!

If you have questions regarding the implementation or functionality of Themo Smart Thermostats, our user support will help you. 

As a representative of a property company, you can book a survey for the Themo Energy Saving Service. You can also leave a contact request or provide feedback using the form here.

Themo Contact Information and Personnel

You can email us at

Our mailing address is
Themo Nordic Oy
Äyritie 8a
01510 Vantaa


Madis Uuemaa

Madis Uuemaa

Chief Executive Officer
Taaniel Uleksin

Taaniel Uleksin

Chief Technical Officer
Joonas Rantala

Joonas Rantala

Chief Sales Officer
Markus Perkkiö

Markus Perkkiö

Chief Financial Officer

Salla Perkkiö

Administrative Assistant



Priit Aarma

Lead Cloud Developer
Thomas Tasuja_600px

Thomas Tasuja

Hardware Specialist

Kristen Niilop

Junior Developer

Ott Bergström

QA Engineer



Karl Jaik

Production Manager

Jaana Urubkova

Production Assistant

Aleksandra Kapralova

Production worker

B2B Sales Finland

Sauli Luhtaniemi

Sauli Luhtaniemi

Sales Team Lead +35850 564 0449

Riku Kuossari

Sales Manager +358 50 452 3362

B2B Sales Baltics

Gints 600_600

Gints Dzelme

Sales Representative Latvia +371 2942 5870

Kristofer Kõss

Sales Representative Estonia +372 5134 673

Customer Service

Iiro Karttunen

Iiro Karttunen

Customer Service Manager

Lari Haapanen

Installation Manager

Get Acquainted with Themo

We are involved in resolving an issue that is truly significant. There are approximately 500 million electric heaters in use throughout the world. They consume 15% of the world’s electricity and produce a significant amount of CO2 emissions while doing so. 

Themo’s core innovation is an effective algorithm that optimizes the consumption of electricity. Themo Smart Thermostat is our product for the consumer market, and it is used to control underfloor or ceiling heating systems. For property companies, we offer the Themo Energy Saving Service that enables centralized control of underfloor heating without initial investment.

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