PREenergo, a. s. (PRE Group) offers electricity and gas supply, complete energy services from solution design to warranty and post-warranty service. In our shop you will find everything for heating, cooling, water heating and photovoltaic power generation. We can advise you on the ideal equipment for your needs.

Specialist in the DEFRO range of thermal technology. We provide delivery, installation, service. We will design a suitable heating system for your house, cottage, building or other. JP heating team.