All renewable energy products and components for photovoltaic installations in one place? Youll find it all in the Greto app, a B2B purchasing platform for photovoltaic and HVAC installers and wholesalers throughout Europe.Thanks to this easy-to-use app, you will have a constant overview of the current stock and prices of photovoltaic modules, inverters, EV chargers, heat pumps, and storage tanks. It will also allow you to quickly and conveniently place an order and track its status at every stage of completion.Greto Polska from Gdynia is an authorised distributor that supplies installation companies and contractors in Poland and Europe with components for photovoltaic and heating installations. Greto products have already been trusted by hundreds of customers in more than 21 countries.