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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...
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RE: Anyone concerned about GivEnergy?
The GivE forum seemed to have survived the collapse of ...
By downfield , 45 minutes ago
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RE: How quickly would you want/expect heat recovery to take from setback?
@singlespeed I had better explain how my radiators are ...
By Toodles , 1 hour ago
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RE: Cooling/heating with one unit
@mrkfm The Solo has a small capacity and only suitable ...
By dgclimatecontrol , 2 hours ago
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RE: 15kw pump for 225m2 1990's house - over kill?
Firstly you have come to the right place and its good t...
By JamesPa , 2 hours ago
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RE: Renewables & Heat Pumps in the News
The irony is there's already an established internation...
By Temperature_Gradient , 4 hours ago
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First you need to know how much thermal energy you'll n...
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RE: Renewable Heating Hub Homeowners' Q&A Podcast
Come for the low-carbon homes. Stay for George Clarke’s...
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RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
@razz, as we head into the heating season, I just wante...
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RE: How should the Boiler Upgrade Scheme be reformed?
Not quite, regular A2W heat-pumps need a load of extra ...
By Temperature_Gradient , 4 days ago
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RE: Heat Geek installations: share your experiences
one thing i learnt from reading people’s comments and e...
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
We have ‘signed on the dotted line’ today for a Panason...
By Toodles , 4 days ago
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RE: Heat pump branding. Clever, contemporary… or a bit too much?
...or it was there and was lost thanks to laziness and ...
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Bufferless design & control of Chinese air to water monoblock hybrid heat pump in Alberta, Canada
This post is about how I successfully configured a buff...
By Tony.Stolz , 4 days ago
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The installer visited yesterday and suggested the noise...
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