Last seen: Jan 30, 2026
This is interesting. Attached is the page from my EPC which shows the Poor rating of the Main Heating and Hot Water. You've prompted me to look at t...
Our circumstances were slightly different in that the current EPC was issued after a ground up restoration of a semi-derelict building. We'd had a ful...
With the change to RdSAP in June I have just followed up with an EPC assessor to ask if it would make a difference to get our house re-rated. We have ...
In the FT today, a report that heat pump take up in Europe has failed, so far, to meet expectations. Mike
I've commented earlier in this thread, finding the same problems with our EPC. Yes, its a known problem with the methodology and the government is tak...
Great track. Love it. Mike
Yes, it was much colder this January than in 2024. My own daily measurements show it here in West Oxofordshire. Dotted lines on the chart are last...
No-one has suggeted that although I've checked myself that the exhaust air is clearing the ASHP. It's not so much a hollow as a gentle slope of the ga...
@toodles I've not been able to catch a defrost so recorded a time lapse video (view with link, file is mp4 about 44MB).This was taken at 1 second inte...
Not a good January for me: All electric house so these are total kWh figures, not just ASHP 150 sqm 3 bed, detached fully insulated property wit...
I've just re-discovered this report from The Telegraph, in February 2022. The wheels of government certainly run slowly. Mike
@lucia While accepting the point about not wanting to disadvantage low income consumers it seems crazy to address the problem through playing around w...
Latest Posts
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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 , 5 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 , 7 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 , 7 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 , 9 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 , 9 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 , 9 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 , 9 hours ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@agentgeorge Probably, but temperature change at -10 ha...
By AndrewJ , 10 hours ago
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RE: External wall insulation - your experience
To be clear, my experience was very positive. The journ...
By Batpred , 12 hours ago
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@foxesfan Re: ‘Servicing’ as @editor has covered in his...
By Toodles , 12 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 , 13 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 , 14 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 , 14 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 , 2 days 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
