Last seen: Mar 12, 2025
@ianmk13 Yes radiators will need replacing, most if not all. Many of them were installed 30 years ago and the plumber basically guessed the sizes when...
A Heat Geek installer came to assess my house today. What a difference from the other surveys, as in the professionalism displayed. He was here for 3 ...
Dropped into to a newly opened Energy Support Hub run by volunteers this morning to see what they had to offer. There was already someone in there bem...
@gunboatdiplomat A little more complicated. I have one small room that is entirely solid wall, one large room with one wall run that is about 15% soli...
@jamespa I agree it's sensible - now I know what their strategy is and it's not just a huge error. As I posted earlier they will be offering a much la...
A final ‘No’ from Octopus. Apparently they accept that I might have a heat loss of 10w but their software is not able to distinguish the subtleties be...
@gunboatdiplomat That’s good news and a good price as well - I’m only faintly jealous. My indicative quote came out at £6200 (including an unvented ho...
@ivanopinion Octopus have told me they will have a Cosy 16 next year capable of delivering 50c and will cover the alleged 14kw heat loss - if I’d like...
@jamespa I’ve challenged Octopus’s figures using the very helpful comments from this forum. They’ve come back and admitted that the heat loss might no...
@jamespa - great idea. I’ll download the data. @gunboatdiplomat - yes similar house. Mine is detached, 160sqmtr, 300mm plus insulation, double glaz...
@ivanopinion and @jamespa. I do have the half hour readings (but then so do Octopus). However I’m going to have one last go. Today I called a local fi...
@jamespa My actual gas usage is 16500kwh & electricity 3500kwh. My survey assumed a heat demand of 19200kwh. So a heat loss of 14300w? It can’t be...
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RE: The Rise and Fall of Europe’s Most Generous Green Subsidy
What indeed? Not visited forums for some time, been in...
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RE: Hitachi Yutaki SCombi Heat Pump - Thermal Off's
Thank you this is very helpful. There is a lot to take...
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RE: In the middle of an ASHP installation - a few questions (and issues)
@jamespa they didn't provide any contract, or design pr...
By benson , 2 hours ago
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RE: The Great British Heat Pump Quiz
@allyfish thanks for the feedback and glad it was fun! ...
By Mars , 5 hours ago
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RE: help sizing rads based on room by room heat loss
If its 1988W at DT 50, which is how most radiators are ...
By JamesPa , 10 hours ago
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RE: Career change – entering the world of heating and heat pumps
@editor Mars, thank you. That's along the routes I was ...
By Lakey , 10 hours ago
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@editor thanks Mars, it's a rare occasion I'm looking f...
By big_si , 20 hours ago
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RE: Efficiency Concerns on newly installed Mitsubishi Ecodan 8.5kW
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Win one of five "Heat Pumps 101" Courses
Heat pumps are gaining traction in the UK, but between ...
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RE: Agile: average import cost vs other tariffs?
@toodles thanks for the analysis. I'll be really intere...
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RE: ASHP Ecodan L9 error - No Heating but Hot Water
@phoenix15 I'm no plumber so please don't take this as ...
By dnagre , 2 days ago
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RE: Is this normal? Click of the DHW returning to space heating
@grantmethestrength Oh sorry to hear that, there should...
By ASHP-BOBBA , 2 days ago
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@ashp-bobba TBH the ladies are rather disorganised, so ...
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RE: Solar Power Output – Let’s Compare Generation Figures
And for those of us without an automatic irrigation sys...
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Logically, the lower frequency = more gentle, yes, but ...
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RE: Ideal Logic ASHP - change from 55°C to 35°C Heating?
Good point. I’ll keep my eye on the manifold temperatur...
By Tomdad , 2 days ago
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RE: How hard and expensive would it be to change panel and add battery?
@transparent It is a setting that Octopus make via the ...
By Toodles , 2 days ago
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RE: Performance of Heat Pumps in Mild Weather
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