Renewable energy sources are the future, which is why we supply photovoltaic modules, heat pumps, inverters and car chargers to installation companies and contractors. GRETO is an authorized partner of photovoltaic panel manufacturer JA Solar and an authorized distributor of Hyundai Energy Solutions and AE Solar, Gree heat pumps, Wallbox and Teison car chargers, TSun fire switches and SolaX inverters.

We have already been trusted by hundreds of companies throughout Poland. We sell our photovoltaic modules in containers and pallet quantities directly from the manufacturers.