Last seen: Jan 30, 2026
@editor I've just read this book (sorry not ordered via Amazon but I don't have an account). It is very interesting and full of useful pointers for...
@editor How do I recover a draft post that I was writing and saved? I was reviewing the book. Thanks, Mike
@tim441 I share your frustration with the EPC ratings. Attached is an extract from my new EPC which was done this week. You'll see that the Main Heati...
Finally, good news on my EPC assessment. Having got (as was predicted) nowhere with Elmhurst Energy (accreditation scheme for my previous EPC) I hav...
The current cold spell from the start of the year has prompted me, yet again, to review the daily kWh usage of our (Grant Aerona) ASHP. Overall hous...
@judith This is very interesting. I've located and printed out Michael De Podesta's latest "A" rated EPC to compare it with my own "D" rated one. Bo...
Just returning to this issue after a few days working in Riyadh. Lots of heat pumps there but for aircon rather than heating! Petrol is about 40 pence...
@editor Just had my first defrost of this season. Outside temperature dropped to 6C overnight, so well off freezing. But it was a damp foggy mo...
Two steps forward and one back. A further "conversation" with ChatGPT contradicted some information in the first one and I am now back to reviewing th...
Tim, Yes ChatGPT thought I could get another 10 points just for that change. That would get me over the line to a C. Mike
Thanks for this. ChatGPT has proved very helpful. It helped me identify that the problem with the EPC is probably down to just one word. It rates th...
Here's the EPC printout to illustrate the point I made in a post last week. Sorry to keep banging on about this - but it is bonkers. On the left the...
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RE: If a heat pump can only heat DHW to 50C then what? Issue with 18KW Heliotherm heat pump
Hi, Nothing yet. I've asked customer to measure flow...
By errmm , 4 hours ago
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RE: High Temp Heat Pumps for fast warm-up of house
I don't know exactly how long it takes to heat up (and ...
By JamesPa , 5 hours ago
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RE: Need help maximising COP of 3.5kW Valiant Aerotherm heat pump
OK. What Im seeing looks fairly normal TBH: 1 start ...
By JamesPa , 6 hours ago
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RE: Vaillant Tech Support Flagged Low DT: UFH Return Cold, Suspected Zero Flow
@editor thanks for the tips which I will try before cal...
By DavidB , 7 hours ago
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RE: Daikin 6kw setup with Dixell controller
@jamespa Many thanks for your reply, a very detailed an...
By CraigH , 8 hours ago
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RE: Exploring the role of alternative clean heating solutions - Government Consultation
Despite reservations, I found some time to respond to t...
By Rusty , 8 hours ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
@crankplus, nope, still not, and I've followed up with ...
By Mars , 8 hours ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@agentgeorge Probably, but temperature change at -10 ha...
By AndrewJ , 9 hours ago
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RE: External wall insulation - your experience
To be clear, my experience was very positive. The journ...
By Batpred , 11 hours ago
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@foxesfan Re: ‘Servicing’ as @editor has covered in his...
By Toodles , 11 hours ago
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RE: A Smarter Smart Controller from Homely?
@benson No idea why mine doesn’t work, all I see on ...
By Papahuhu , 11 hours ago
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RE: Battery sizing - How low can you go!
It seems I am seeing something similar to what you do, ...
By Batpred , 13 hours ago
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RE: Gaslighting in the heat pump industry – has anyone else experienced this?
Don’t know if this is relevant to this thread, but my A...
By Gruff2001 , 13 hours ago
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RE: Bosch CS5800i 5kW - Experience So Far
@majordennisbloodnok While getting Home Assistant runni...
By Steelbadger , 1 day ago
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RE: MCS - BS EN 12831-1:2017 – Heat Loss Survey
Since May 2025 it no longer a requirement in England to...
By JamesPa , 1 day ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handel @jancold Manufacturer: Daikin Model: E...
By Jancold , 1 day ago
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RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
@harriworld it was roughly 3am for an hour as that’s ...
By L2jad , 1 day ago
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RE: Hoped for improvements not being realised on my Mitsubishi heat pump
I have been wondering that myself. The fact is that, ...
By JamesPa , 1 day ago
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RE: Filtering Tap Water – Share Your Setup for Cleaner, Better-Tasting Water
I remember when I was in my early 20s I was introduced ...
By Majordennisbloodnok , 1 day ago
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RE: Setback savings - fact or fiction?
But if it is recorded an an integer, which it seems it ...
By cathodeRay , 2 days ago

