Eddi - solar hot water immersion controller

Eddi diverts surplus power from your solar or wind turbine system – putting it to use to heat your water or rooms rather than exporting it to the grid.

Eddi front imageHot water from solar panels

Eddi is an fully automatic device that diverts surplus electricity to a designated load (normally an immersion heater) saving energy and reducing utility bills.

How Eddi works

Eddi monitors the electricity your PV system generates, and how much you are sending back to the grid. It then directs excess electricity, not used by the house, to the immersion heater in the hot water cylinder, or other designated load. It automatically stops heating the water when you are using more power in the house than you are generating.



Can control power to any resistive load up to 3.68KW / 16A max. heater load (each output)
Graphical back-lit LCD screen for ease of use
Built-in programmable boost timer
Supports two heaters (sequentially)
Wall mounting bracket for ease of installation
Fully EMC and safety compliant (CE)
Manufactured in the UK
3-year warranty

myenergy says:

'Eddi is the 'Tesla model S' of water heaters. With 5 years of development and experience behind it. Unlike cheap water heaters on the market, eddi has been built with the European/Global market in mind. Eddi is the only product to handle heaters up to 3.7Kw, have a by pass switch and expansion board for more installation capability, it uses VariSine™ (PWM) technology which is a safe pure sine wave. Eddi can heat two heaters sequentially, doesn’t have a noisy fan and has a great graphical screen and easy menu settings. Eddi also has an app coming out towards the back end of the year that will display the home owner’s savings and generation since the date of install. You’ll be able to boost eddi remotely and heat your water on your way back from that sunny holiday.'


From £510 including VAT.
(Price assumes the property's electrical system is suitable).

Please contact us to arrange an installation date.


Greenwire Solar Ltd
October Cottage
Woolton Hill
Berkshire   RG20 9TT

Tel:  07791 364408

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