renewable heating dilemmas

3 years ago

In our old house we bought solar PV and I really liked it. We definitely saved money on bills and I liked knowing we were using some renewable tech. I always felt that there was a wasted opportunity though. Surely we could have a system where the electrical energy powered some kind of immersion heater to generate hot water? Obviously you’d still need a boiler for less sunny days but even less sunny days still generate some power and if that heated the water a bit it would reduce gas costs.

I know you can get systems that just heat water in a solar panel but obviously you don’t get electricity from that. I also know that the boom in solar PV is over but I still think it could be worth it for us, especially when we all transition to electric cars. By that stage I could have 4 drivers in the family.

Since we moved to our 1970s house in early 2019 I have wanted to renovate the heating system (and the bathrooms and maybe do a bit of building work). I want the heating/hot water system to be able to supply 2 bathrooms at once and provide much more even heating across the home. Can I combine all these ‘wants’? Has anyone got experience of having a system like this? For what it’s worth I have an almost due south rear facing roof.

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renewable heating dilemmas

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