About us

ThermWet s.r.o. has been long-term specialized in improving the quality of the indoor environment of your homes and therefore we absolutely prefer a personal approach to each order, because each house is specific and requires a tailor-made solution.

The client and his comfort are always in the first place for us and therefore throughout the order you have assigned your assistant, who will solve everything with you- from the price offer, creation of project documentation to supervision of installation on site and will be available for all your questions.

We are a Czech company with a long tradition not only on the Czech market with authorization for the New Green Savings grant program. ThermWet s.r.o.  is also a specialist in solving radon problematics.

Ing. Jan Kropáček

Project director

Ing. Jan Grendel

CEO and company director

Ing. Lukáš Mareda

CEO, production and development manager

Certificates and certification

ThermWet s.r.o. during its existence has collected a number of certificates, registrations, certifications and awards. Here you will find a small list of those that will surely interest you the most.


Declaration of conformity, in accordance with the provisions of Act no. No. 22/1997 Coll. in full, on the conformity of the product characteristics of the Ventbox 300 and Ventbox 400 units.

© 2015–2022 ThermWet s.r.o., Vlárská 1454/1, 104 00 Prague Uhříněves, Czech Republic. All rights reserved.