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Last seen: May 12, 2026
I meant 70 kWh p.a. per sq.m, not £70
@allyfish Thanks for this. I'll give it a try. With Derek's help last year I did learn to explore the menu system when I was adjusting the weather co...
Lacking the technical skills to set up my own monitoring of heat pump efficiency I've contented myself with daily recording of kWh used (overall for t...
@derek-m I like that idea as it's one number that everyone can understand. Hides a lot behind it but a useful heuristic. Last year for mine (total e...
As a postscript I'd add that after completing renovations my EPC rating was initially E with the first assessor. He would not recognise the internal w...
Finally this week, got the replacement expansion tank installed. Unfortunately it didn't fit the space left by the old one so some extra pipework was ...
@tried2fail Interested to see that your EPC rates the Main heating as Good. I also have an ASHP with underfloor heating (same wording on the EPC) yet ...
Article from this weekend's FT suggests that all-in annualised cost of ASHP will remain higher than that for gas for some years to come. Mike
@ronin92 Attachment? Mike
@andris To rub salt into the wound my neighbour's house is C rated compared to my D but his is not so well insulated and he doesn't have double glazin...
@majordennisbloodnok My EPC says that if I were to install solar PV as well I would scrape a C rating. Mike
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RE: Anyone concerned about GivEnergy?
@editor Thank you for your reply. We do have an active ...
By SUNNYSKIES , 6 minutes ago
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RE: Estimating true heat loss from twelve months of consumption data
@ian33a — a measured heat loss always trumps a calculat...
By cathodeRay , 48 minutes ago
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RE: Setback savings - fact or fiction?
@cathoderay Thanks for your detailed response.Just two ...
By PeterWurmsdobler , 56 minutes ago
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RE: Grant Aeona 3 R32 cycling with weather compensation.
The hot water heating looks normal. The heat transfer ...
By GrahamF , 3 hours ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
Good questions @temperature_gradient. My understanding ...
By springswood , 5 hours ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
All going according to plan, mid July we get that 7kW a...
By Batpred , 16 hours ago
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Current metrics - DHW target set to 47c
By TaffontheTaff , 21 hours ago
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RE: My Grant R290 9kW Heat Pump Installation
@petch I'm very sorry that I have not picked up your po...
By GrahamF , 23 hours ago
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RE: Samsung gen 7 HP 12kw - auto control issue and water law
Suggest you have a trial with Havenwise app. I have th...
By Broadsman , 1 day ago
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RE: New Solar, Batteries, Air Source and Under Floor Heating advice please
You’re right: UFH works best with high-conductivity fin...
By bafab , 1 day ago
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RE: DIY or Don’t Touch? Solarman Smart Meter Install
That was my understanding also.
By JamesPa , 1 day ago
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RE: Vaillant Sensocomfort Time
Oh I remember this from when I set mine up 2 years ago,...
By JamesPa , 2 days ago
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Heat geek have already stated that the pro is in fact c...
By JamesPa , 2 days ago
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RE: The Myth of the MCS Performance Guarantee
@editor I know. As if MCS wasn't bad enough, it's now e...
By Deltona , 2 days ago



