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Elon Solar PV Water Heating Range - any feedback?


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I've been researching alternative ways for heating the geyser..... 

I was checking on the Kwikot website for integrations with heat pumps, and found this:

https://www.kwikot.com/product-category/solar-pv-water-heating/ 
The Kwikot web page is promoting the Elon Solar PV Water heating system. It appears to be a DC heating element fed directly from the PV Panels. I am not sure if there are batteries inside the box, but it does appear to be a system that can work if the geyser heating element is DC. 

It must surely be more efficient than running a geyser on 220v from an inverter that converts DC to AC.... 
Does anyone have one of these installed, and what is your experience? 

 

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  • 8 months later...

It does not require a DC element, it uses the existing element in the geyser.

We are a 2 person household and I haven't used ANY Eskom to heat the water in over 4 months. There will be the odd spell when solar PV is poor so I just trigger the control unit to boost the water for one hour.

 

Edited by Draigman
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On 2023/05/24 at 7:23 AM, PicHopper said:

I've been researching alternative ways for heating the geyser..... 

I was checking on the Kwikot website for integrations with heat pumps, and found this:

https://www.kwikot.com/product-category/solar-pv-water-heating/ 
The Kwikot web page is promoting the Elon Solar PV Water heating system. It appears to be a DC heating element fed directly from the PV Panels. I am not sure if there are batteries inside the box, but it does appear to be a system that can work if the geyser heating element is DC. 

It must surely be more efficient than running a geyser on 220v from an inverter that converts DC to AC.... 
Does anyone have one of these installed, and what is your experience? 

 

Most modern MPPTs to convert panel DC to AC is at a 98%+ efficiency so no need to be worried. Yes if AC is via the inverter the loss will be greater. 

With the low power used by a heat pump what kind of integration are you looking for? 

Edited by Scorp007
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