We are a Czech building technology company specializing in photovoltaic systems and the production of modular houses Blokki. Customer demand has led us to develop and produce energy technology modules that allow customers to live fully where it was not possible before.

We are specialists in solar energy. We offer a smart photovoltaic solution with our ZET Smart that simplifies life and contributes to savings. With this device, you will be completely independent from the grid for 10 months of the year. In practice, you will only pay mandatory payments for the size of the circuit breakers.

We sell heat pumps and air conditioners. We are also a supplier of components for solar systems such as solar panels, voltage converters, batteries, solar controllers and more. We provide technical support to both customers and installers.