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.

We design and install IVT, Nibe, Hotjet and Alpha Innotec brand heat pumps. We are a proven IVT centre. We also deal with installation of Multibeton underfloor heating, heat recovery and complete solutions for passive houses. Solution design, implementation, subsidy assistance and service is a matter of course.

We are an expert heating and cooling installation company for single family homes and commercial buildings. We also service all heating sources.

InstalSun s.r.o. specializes in the sale, installation and service of heat pumps, heating and air conditioning systems, including floor heating. We offer modern and energy-efficient solutions with an individual approach to our customers.

We offer Mitsubishi, Stiebel Eltron and IVT brand heat pumps, Regulus solar systems and Geosun AKU tanks where we measure efficiency and performance. We provide a comprehensive solution for buildings, which is controlled by the Kobra smart house.

We operate an authorized service of the JUNKERS brand. We carry out boiler and boiler replacements. We provide warranty and post-warranty service. We carry out inspections.

Wholesale and retail sales of heating equipment, plumbing equipment and utilities. We offer boilers, fireplaces, stoves, heaters, radiators, storage tanks, underfloor heating and bathroom equipment. Technical advice on heating systems, ventilation (heat recovery), heat pumps and solar panels.