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Last seen: Aug 15, 2026
What exactly doesn't work in what circumstances and in what way? My guess, and it is only a guess but it's based on how my Valiant works (albeit, it...
@ashp-bobba Sounds very interesting. It seems to me that this is an exciting time to be in the renewable heating market as there is going to be lo...
Houses with reasonably low loss aren't going to require heating once it gets above say 15C because you have a constant 400-600W going into them from w...
If it's running on WC then at night it's quite likely to heat up. The outdoors gets quite cold at night! Likewise circulator pump is likely to con...
@morganr I have been thinking some more about those WC curves. Fundamentally they are, so far as I can see, just wrong. If your aim is to run on pur...
It's a good question. With a house that has sufficient heat capacity (eg one with ufh in a slab) batch heating at cheap rate is probably a good app...
It sounds like you have thought about this a lot and everything you are saying looks sensible. A windowless, doorless gable with no properties nearby...
I think you first sentence is spot on, stored DHW is just different to on tap DHW from (presumably) a combi. Not worse, not better, just different. ...
I should perhaps clarify my thoughts in view of the comments from @old_scientist (with whom I agree). @quakerquaker asked 'Q1 - is maintaining the w...
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Latest Posts
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
I'm asking the same question. For me I want something ...
By JamesPa , 26 minutes ago
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RE: Who's your electricity provider and what's your tariff?
@papahuhu Of course, in the way of such things, there a...
By Toodles , 5 hours ago
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@DavidB, I think @Majordennisbloodnok has already naile...
By Mars , 1 day 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



