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Last seen: Oct 17, 2026
@derek-m, I always take on board what you write. The issues that arise, in our case anyway, is that we've asked Global Energy Systems several times to...
@heacol, that's a good point about COP and leakiness. Our issue was heat emitters - when we added Stelrad K3s it made a world of difference in the c...
Fabric first to achieve low flow temperatures I guess. Our insulation is good to very good, but we still leak some heat. Getting better though.
@heacol, does you customer have very good/excellent insulation?
It's been a while since you post Ken – any updates on your ground source?
@heacol, I had no idea the flow temperature should be so low (20C) in November. We're currently running at 35C (manually set) at it feels about right ...
@caroline2000, as Brendon has stated, it's not all doom and gloom, and you can get these systems to work more efficiently. We use a lot of electricity...
@batalto, as far as RHI is concerned there's no distinction between consumed or purchased from the grid.
@bobbt9866, thanks for pulling some strings. I've sent the results to the engineer in question and hopefully we'll hear back from him soon.
@helensq, welcome to the forums. The reliability of the system comes down to how well it’s designed and installed. Heat pumps do work. But they must...
@caroline2000 we’re all facing an expensive winter this year with tariffs that are sky high. The only way to reduce costs is to drop the flow rate tem...
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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 , 5 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 , 7 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 , 7 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 , 1 day 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 , 1 day ago
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@bobflux Thank you for your response. I am trying to ...
By RonV. , 1 day 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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