SEMSI Ltd

We were one of the first company that came up with a product to divert the solar surplus to an immersion heater. SolarImmersion is the latest development in this series of products. A highly efficient proportional/modulation based solar PV hot water system at an affordable price. It diverts 100% of your surplus power to heat water & works even on cloudy days. Modulation based solar PV surplus energy manager that monitors in-house usage and PV power production to divert almost all the available surplus power to the immersion heater to heat water. Its intelligent sensing technology prevents the export of surplus power to the grid for negligible returns and uses it for local consumption, meaning you can avail hot water free of cost!