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Last seen: Aug 15, 2026
Welcome. Do feel free to tell us about your project and ask any questions you have.
Just another thought - it might be worth thinking about the control strategy in relation to the backup heater. I think that the typical control strat...
When i was looking I encountered one installer who does this as standard. It's cheaper to buy a direct cylinder (no coil, just an immersion), a pump ...
It sounds like you are well organised. You want to aim for open loop operation on weather compensation only, no buffer, LLH or PHE between emitters...
Ok so that's 35MWh and 32MWh respectively, assuming 10kWh/l, indicative of 11-17kW assuming the boiler is 100% efficient (which it likely isn't) and t...
@guydeb It is going to be high loss. I have heard that the commonly assumed U values for stone walls is way to high, and the air changes is also o...
This has come up before; a close neighbour of mine did something similar and claimed the BUS grant, but of course that doesn't mean it is OK. I woul...
Agree, but you may have a hard time convincing them, as an overestimated survey is their ultimate protection. If you can get their calculations (and ...
This smooths things out a lot, basically its useless. Thats nowhere near an average 10kW It looks like you switch heating off at night...
I have a he 7kW Vaillant which is good. My comment would be there is, sofaik (based admitedly on what others say and the specs) nothing particularly ...
This particular example is one of the worst I have seen here. Uninsulated buried primaries!, uninsulated pipework around the cylinder, system separat...
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Degrees of Separation
Latest Posts
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RE: Who's your electricity provider and what's your tariff?
@papahuhu Yup, and our daughter was sitting in her back...
By Toodles , 16 hours ago
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@DavidB, I think @Majordennisbloodnok has already naile...
By Mars , 18 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
Thanks, however that's an answer to a subtly different ...
By JamesPa , 2 days ago
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RE: Flushing system, cleaning and inhibitor
Yes, my 50L volumiser uses the two lower ports, so ther...
By Old_Scientist , 2 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@toodles Such elegant symmetry. look at my lumpy bag of...
By Papahuhu , 3 days ago
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RE: PV and battery long payback - sense check query
Quite probably not, but you can get a 32A relay and a S...
By JamesPa , 3 days ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s Look forward to making contact soon! Regards, To...
By Toodles , 3 days ago
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I don't notice mine defrosting, and most of the time Im...
By JamesPa , 4 days ago
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RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
Kind of you, @calumm, but it was @f1p who did the heavy...
By Majordennisbloodnok , 4 days ago
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RE: Electricity price predictions
2. As EV ownershp increases it'll certainly increase de...
By EtchedPixels , 5 days ago
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I meant to say I cannot register my kit at Energyplus… ...
By Batpred , 5 days ago
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RE: HomeTherma Is Live: A New Home-Energy Platform Built Around the Homeowner
Signed up!
By bobflux , 6 days ago
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