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Last seen: Oct 20, 2026
I should add that I still think you can get it working well as it is, so if you don't think it's worth trying to press the installer then let's focus ...
@sandman1600 Whilst I agree with hat you may end up batch heating at a higher ft, at this stage I would continue to get to the ft that just heats th...
That's important. Hold onto it, gather any evidence. If somehow that can be combined with operational evidence then you may have a chance. Does m...
If you are going to have the discussion with the installers then I have some thoughts: it may be worth waiting until you have more data and have t...
@sandman1600 PS. I just checked your EPC, Its F rated with the potential for D. Its interesting to note that much of the fabric is 'assumed' ie t...
The total at the bottom of the 'heat loss calculations' column is why they specced 14kW. I note that the design FT is 45, which begs the question - w...
Im sorry to hear about the stress, just bear in mind that this is an expensive time of year, you wont be paying for heating at all in Summer, and ther...
@sandman1600 Id be interested to hear how are things going in terms of flow temperature and stability of house temperature? You may find that, as yo...
2024 200sqm 7kW 200l UVC 2 new rads, one new fancoil, one existing rad relocated (total 4 rads changed) 16A feed for heat pump already in pl...
A pair of similar tanks one white and one red are expansion tanks. You can tell because they have a filling nipple at the top and only one pipe leadi...
You are almost right and have appreciated the key point ie that energy lost must be replaced (simple minded, and incorrect, thinking says that if you ...
Based on the numbers I think its likely its oversized. Not a disaster but it means it will probably cycle on and off a lot. If does prove to be over...
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Latest Posts
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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 , 13 minutes ago
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RE: Renewables & Heat Pumps in the News
The irony is there's already an established internation...
By Temperature_Gradient , 2 hours ago
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First you need to know how much thermal energy you'll n...
By bobflux , 12 hours ago
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RE: How quickly would you want/expect heat recovery to take from setback?
@toodles Ah, that makes sense. Your using the TRV bo...
By Singlespeed , 12 hours ago
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RE: Renewable Heating Hub Homeowners' Q&A Podcast
Come for the low-carbon homes. Stay for George Clarke’s...
By Mars , 2 days ago
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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...
By Mars , 2 days ago
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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 , 3 days ago
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RE: Heat Geek installations: share your experiences
one thing i learnt from reading people’s comments and e...
By Batpred , 4 days ago
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RE: Cooling/heating with one unit
"The way we use A2A on a cheap overnight EV tariff is t...
By mrkfm , 4 days ago
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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...
By JamesChatz , 4 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Your house sounds a lot like mine. 2 surveyors each sp...
By JamesPa , 4 days ago


