Last seen: May 14, 2025
James, thanks again for your thoughtful and persistent questioning — this kind of interrogation helps clarify the strengths and limits of any approach...
Hi James,Thanks again for your detailed thoughts. I appreciate how precisely you're interrogating the claims and looking for practical value — so here...
@johnmo That’s a clever use of defrost behaviour to guide handover — and it sounds like you’ve fine-tuned it well for your setup. Just for reference, ...
@johnmo, I can see what you mean by the heat pump switching over and back between cooling and DHW, but I was referring to the heating season when you ...
@jamespa, following on from your examples — here's how I’d approach each:---a) 100 m² New Build (3kW @ -2°C, typical spec):In this case, structural zo...
That’s a great question, James, and it goes right to the heart of what sets structural zoning apart from conventional approaches like LLHs or buffer t...
@jamespa I want to clarify that my hybrid example was posted specifically in response to Johnmo’s system description. I would not recommend it univer...
@johnmo Thanks for sharing the full schematic, Johnmo. That’s a helpful layout, and it shows just how much manual logic and layout planning are neede...
@johnmo Thanks, I appreciate your detailed walkthrough. It’s always helpful to see how experienced users approach hybrid setup challenges. I agree ...
@johnmo Thanks, Johnmo — fair points as always. I agree that unnecessary complexity has plagued many modern heating setups, mainly where buffers ...
@heatgeek Thanks for your post and for articulating a very real scenario that reflects the kind of system we’ll be seeing a lot more of: low flow rate...
Thanks, James — that’s a really encouraging and fair response, and I appreciate the open-minded way you've approached it.Yes, you’ve summarised it wel...
Latest Posts
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RE: Can you help with our research: solar panels, EV chargers, home batteries, heat pumps?
I have signed up as well. @belsnugg could you outline ...
By JamesPa , 18 minutes ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
Ooh, heat pumps in neon blue wrap 🤣 🤣 &...
By Old_Scientist , 41 minutes ago
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@profzarkov Good to know in case it ever happens to me...
By bontwoody , 18 hours ago
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RE: Are Octopuses Slowing Consumer Adoption of Heat Pumps?
I mean, is this surprising? The local installers in my ...
By Alex , 18 hours ago
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@old_scientist sorry, I should have made it clear that ...
By GrahamF , 19 hours ago
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@thundermink can you provide photos to illustrate your ...
By Morgan , 19 hours ago
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RE: Boiling Mad: Exposing Radiatorgate
Hi @Rob, I’d be more than happy to contribute. I have ...
By DREI , 22 hours ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@andris a great year - very happy with our system
By Profzarkov , 24 hours ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
After our rather lengthy meander off piste, I thought I...
By GrahamF , 1 day ago
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RE: Midea ASHP – how to set weather compensation
@pash44pump - to collect the IAT/OAT data, can I sugges...
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RE: Ecodan software update. Real or scam?
@vinz86 Contact Mitsubishi and an engineer attends and ...
By ASHP-BOBBA , 2 days ago
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@drei When I was in local government we were of cours...
By JamesPa , 2 days ago
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
Sufficient system volume is also essential for ensuring...
By Old_Scientist , 2 days ago
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RE: Flexi-Orb Heat Pump Scheme: A Game-Changer for the UK's Heat Pump Industry
As someone who has suffered from a Heat Pump installati...
By DREI , 3 days ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
I’ve also got a dual fuel Rangemaster. We originally ha...
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RE: Octopus tariffs - a quick comparison
@tim441 I’d agree wholeheartedly with that, with 2 x Po...
By Toodles , 3 days ago
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RE: Electricity price predictions
@bontwoody Maybe one for @editor to consider whether a ...
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RE: is a home battery without an EV worth it?
You would think, but when I had my Powerwall 3 installe...
By Old_Scientist , 3 days ago
