Thesslagreen

Kokotów, Poland

Polish manufacturer of residential and commercial heat recovery ventilation units (recuperators such as AirPack4), central air purifiers, duct coolers and heaters, and the AirTube ventilation ductwork system. Its main market is Poland.

Thesslagreen at trade fairs

Warsaw HVAC Expo 2026

26 February 2026 · Warsaw 3 photos

Thesslagreen partner counter with white recuperators and EPP ducting at Warsaw HVAC Expo 2026

Three Thesslagreen recuperators, one with a transparent casing at Warsaw HVAC Expo 2026

Forum Wentylacja 2019

6 March 2019 · Warsaw 5 photos

Open Thesslagreen AirPack4 unit showing its hexagonal heat exchanger at Forum Wentylacja 2019

Thesslagreen Particle+ central air purifier on a white duct system at Forum Wentylacja 2019

Thesslagreen lounge with white sofa below the green company name at Forum Wentylacja 2019

Visitors at the Thesslagreen wall presenting the AirPack4 ventilation unit at Forum Wentylacja 2019

Forum Wentylacja 2016

1 March 2016 · Warsaw 1 photo

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<iframe src="https://www.cloudair.tech/expo-photos/embed/companies/thesslagreen?layout=slider&amp;limit=12" width="100%" height="480" style="border:0;max-width:100%" loading="lazy" title="Thesslagreen at trade fairs"></iframe>
<p><a href="https://www.cloudair.tech/expo-photos/companies/thesslagreen">Thesslagreen at trade fairs</a> — photos by CloudAir.tech</p>