We are an online store with inverters, batteries, panels, charge controllers and much more.

Energy self-sufficiency within reach. Renewable and alternative energy for houses, condominiums, BD and businesses: installation of photovoltaic power plants, heat pumps, boilers, cogeneration and heat recovery units, etc. for comfort and savings.

Inverter service for photovoltaic power plants. We repair everything that can be repaired. We mainly repair inverters Fronius, SMA, Kostal, AEG, and others. We focus on after-warranty and out-of-warranty repairs.

Dealing with the indoor environment of buildings in terms of design, implementation, teaching, research, development and legislation. We publish a professional magazine Heating, Ventilation, Installation. We organize professional conferences, seminars, courses and company days. We cooperate with foreign companies in the field.

Providing advice on energy legislation, pricing and cost analysis in the provision of energy media. We provide alternative energy supply and design, project, installation, service of heat pumps, photovoltaic and solar thermal systems, cogeneration units.