We are among the leading manufacturers of rotary heat exchangers. Our heat exchangers stand out for their top technology, premium quality and, above all, their unique heat and moisture transfer efficiency.


Within the scope of complete assemblies, our company is mainly focused on complex deliveries of air-handling and air-conditioning systems, including the related professions such as cooling of machinery, central heating, measurement and regulation.



We provide service for all types of rotary heat exchangers with the aim of achieving their maximum service life. We also carry out all service work in the field of air handling, air conditioning and cooling.


Our design department not only provides professional technical background for the orders carried out by the company, but also acts as a partner in the processing of complete project documentation directly for the investor.




Energy for new solutions
KASTT, spol. s r.o. is originally a Czech specialist company that has been operating both on the domestic and European markets since 1991. Since the very beginning, the company has gradually become a renowned manufacturer of heat recovery exchangers and a reliable supplier of air-handling and air-conditioning equipment. Since 2004, the company has been part of the worldwide Vinci Energies group.
What's new in KASTT

We have produced a heat exchanger with production number 30000
We would like to thank our employees and all our business partners!We are saving energy in more than 30,000 places around the world! In March

New H-eco
The completely new design of KASTT rotary heat exchangers represents a new trend in air handling unit design. Low pressure loss, optimal heat and moisture

Come visit us
We embrace new challenges and you can join us. Come and see our new product for 2023, which we want to present to the professional