An immersion heater is an energy efficient home heating solution that can also be referred to as a megaflow boiler or unvented hot water system.
Immersion heaters use electricity to heat water, and are also able to operate through the use of solar panel power. Their purchase and installation can be subsidised with government assistance, as touched upon in our blog, UK Heat Pump Grants: Your Key Questions Answered.
And for a more detailed insight, take a look at our dedicated blog, The Ins And Outs Of Immersion Heaters.