SteamyTea Posted September 4, 2017 Share Posted September 4, 2017 30 minutes ago, s2sap said: My eyes glazed over Why I suggested some online calculators on the site Link to comment Share on other sites More sharing options...
Trw144 Posted September 6, 2017 Share Posted September 6, 2017 On 31/08/2017 at 23:56, Nickfromwales said: @Trw144 has a ST system installed so maybe can provide some facts / feedback . I would love to provide feedback, but I have nt analysed my heating and hot water consumption yet! Yes, my gas bills have been minimal in the summer so my solar thermal is doing a very large proportion of the hot water (2 adults 2 children), and three solar panels facing exactly due south. For me it was no brainier - I could get free equipment and so only had to pay for fitting, and it gave me enough sap points to have mains gas as my heating option instead of needing ashp. The install is mcs registered so I get paid £600 a year for it (for 7 years). When I get some more time I will start data logging cylinder temperatures, panel temperatures, stagnation etc etc. I will probably add solar pv and battery storage at some point (when the costs come down some more) - I ve been quoted £10k for a powerwall and pv install but I don't see the return to justify this at present. Link to comment Share on other sites More sharing options...
Nickfromwales Posted September 6, 2017 Share Posted September 6, 2017 24 minutes ago, Trw144 said: I would love to provide feedback, but I have nt analysed my heating and hot water consumption yet! No probs. I'll remind you every Friday Link to comment Share on other sites More sharing options...
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