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Last seen: Aug 20, 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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Degrees of Separation
Latest Posts
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
Volumisers are normally plumbed so that they are in the...
By JamesPa , 25 minutes ago
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@toodles possibly. The £9k labour charge for 4-5 days w...
By AndrewJ , 5 hours ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 9 hours ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 22 hours ago
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RE: Who's your electricity provider and what's your tariff?
@chandykris Swings and Roundabouts, you win some…. ...
By Toodles , 23 hours ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 1 day ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 1 day ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
There is scope for product development here. I for one...
By JamesPa , 1 day ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 2 days ago
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RE: The good, the bad and the not that great – my heat pump installation
@burtis, I’ve followed this thread pretty much from the...
By Mars , 5 days ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
First time poster here but I can share my experience as...
By SCH , 5 days ago
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RE: Is it the house or the equipment?
...which, I've found out, is pretty much impossible to ...
By Majordennisbloodnok , 5 days ago
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