A heat pump reduces the strain on the environment and to your household, reducing energy consumption and significantly lowering the cost of your energy bill. These systems are 60-70% more efficient than a standard electric or gas hot water system. This is because they do not generate heat directly, but instead uses electricity to move heat from one place to another. If you are also looking to make the most of your solar electricity, heat pump hot water systems help you utilise your solar electricity using it on site rather than exporting it to the grid. 

A range of brands are on offer and you can read about them here.