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Last seen: Oct 17, 2026
Thanks for the detailed reply and I apologise if I can sometimes be pedantic and determined to 'get to the bottom' of product claims. My aim is simply...
Really delighted to hear that. I can't comment on homely but if you don't have it then you will likely want to readjust your weather compensation cur...
Work on 2-3 percent per degree. This is a reasonable estimate of the reduction in COP because you will need to run the heat pump at a higher tempera...
The useful bit is the bit that specifies the heat loss at the design temp ( presumably around -3). It's your choice of course but I genuinely fear t...
@harryrea In a heat pump only system you are never heating space and DHW simultaneously because they require different flow temperatures. For the sam...
Ok so I think you consider it (structural zoning, not hybrids) mainstream. Fair enough. Let's consider a couple of fairly mainstream examples. a) ...
I'm not an expert on SAP TBH but others here are. Could you post the full report (feel free to redact personal info) which will give a better insight...
I'm still struggling with this (on the grounds that it's unnecessarily complex) for the typical 100sq m, roughly cuboid, property that makes up the va...
First question is why do you think you need 18kW? Whats the house construction and where are you? 45W/sq m is high for a modern purpose built house...
They haven't asked me to prove that I have an EV (I do) but the terms do require that you charge an EV from time to time, so I guess they could if the...
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Degrees of Separation
Latest Posts
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RE: Renewables & Heat Pumps in the News
Years ago I worked for a company who won a best in show...
By EtchedPixels , 7 hours ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
Has anyone here had a Cosy 12 installed yet?
By Mars , 9 hours ago
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RE: How quickly would you want/expect heat recovery to take from setback?
But looking at your graphs, why are your LWT and RWT cy...
By Temperature_Gradient , 9 hours 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 , 1 day 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 , 1 day 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 , 1 day 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 , 2 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 ...
By Majordennisbloodnok , 2 days ago
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@bobflux Thank you for your response. I am trying to ...
By RonV. , 2 days ago
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This post is about how I successfully configured a buff...
By Tony.Stolz , 2 days ago
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The installer visited yesterday and suggested the noise...
By JamesChatz , 2 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 , 2 days ago
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RE: Heat Geek Zero Disrupt: Are We Sleepwalking Into Another Race to the Bottom?
Thats true only if you do the wrong experiment. Done c...
By JamesPa , 2 days ago
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RE: battery storage without solar
As of October 1st they need specific qualifications to ...
By EtchedPixels , 2 days ago
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