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Last seen: Oct 17, 2026
Are you operating the heat pump 24*7 with all, or almost all, trvs fully open, room thermostat if any set at least 2C above target and weather compens...
@adisharma I'm really sorry to hear about your experience which unfortunately, whilst relatively rare, is not unknown in the renewables industry, or...
@sheriff-fatman Thanks for the very well thought through summary, which has elements common to others who report problems. Fortunately there d...
Havenwise is (or at least was when I spoke with them about 6 months ago) an online only service, no hardware required (other than an internet connecti...
I apologise that I must correct the above. Clause 5 of the regulations still requires a valid EPC. Clause 6 which previously specified that the epc ...
I have seen it argued that 'fabric first' is favoured by the fossil industries as a great way to delay material action. The carbon dioxide savings ...
I wouldn't be so sure about that. Heat pump designers will optimise for max scop at rated output by playing games with the operating point on the cur...
This screenshot from the John Cantnor video on cycling shows why it's highly likely that an someone significantly oversized heat pump is less efficien...
Fair enough. With R290 heat pumps, which seems to be the direction if travel for reasons of gwp, this is possible natively at a cop of >1. We j...
EPC no longer necessary Here is the link to the part of the regulation that previously specified such a requirement and in addition some insulation...
The regulations also include this paragraph: 4) For the purposes of [the paragraph requiring 100% coverage ] “hot water” means hot water which i...
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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 , 55 minutes ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
Has anyone here had a Cosy 12 installed yet?
By Mars , 3 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 , 3 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 , 1 day ago
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The installer visited yesterday and suggested the noise...
By JamesChatz , 1 day 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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