Sunerg - Model Frog - Ecological and Photovoltaic Water Heater

Frog is the first ecological and solar water heater patented by Sunerg. It produces hot water directly from the sun. The water heater has been equipped with double electric resistance that let to heat  water both by Sunerg’s photovoltaic module and electric heater 1500W. Sunerg’s PV module powers the water heater which organises the controller FROG spreadeing to the water the solar energy. FROG is an easy and ecological system in order to save money thanks to solar energy. What are you waiting for? FROG is the ecological MADE IN ITALY revolution!.