BRUSSELS, Belgium – Belgian startup Wanit has developed a solar water heater that purportedly reduces the cost of domestic hot water by 85 percent. The PV water heater solution includes a main dual tank and a solar connector that links the tank with a rooftop PV system and residential battery.
The solar connector relies on maximal power point tracking, which ensures that the maximum output from the solar array is always captured, claimed Wanit.
“According to the power demand, the connector converts the electricity to the right voltage with no loss and conveys it to the main boiler, the satellite boiler or the batteries,” Christian Bayet, the company’s founder, told pv magazine.
The solution can be installed vertically or horizontally and is available in four versions: a 65-liter water heater for off-grid applications, an 80-liter device for off-grid applications, and two on-grid heaters with capacities of 65 liters and 80 liters. The smallest water heater measures 1,066 mm x 275 mm x 506 mm and weighs in at 28.4 kg. The largest solution measures 1,251 mm x 275 mm x 506 mm and weighs 32.3 kg.
Bayet said the DC model is suitable for those who wants to add the system to their heating system, as would people who opt for thermosolar systems.
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