Belgian heating specialist Wanit has developed a solar water heater that purportedly ... 65 liters and 80 liters. The smallest water heater measures 1,066 mm x ... recommend at least 400 W ...

Nexol Photovolthermic AG has developed a new hybrid solar water heater for residential use, offering 1.5 kW of heating output and sizes ranging from 80 to 300 liters. March 17, 2025 Sandra Enkhardt ...