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Last seen: Aug 29, 2026
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...
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
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Degrees of Separation
Latest Posts
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Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
Hi All, a friend had a Nibe F2040-12 12Kw heatpump in...
By StuChi , 26 minutes ago
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RE: Siting of the external sensor on a heatpump
My heat pump receives sunlight, so when the fan is not ...
By bobflux , 2 hours ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
You should (almost) always reject having a buffer, by w...
By JamesPa , 17 hours ago
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RE: Navigating the World of Refrigerants In Heat Pumps: A Guide for Homeowners
Indeed we are invvestigating AC at present and are havi...
By Toodles , 21 hours ago
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RE: Is it the house or the equipment?
@majordennisbloodnok I do sympathise. On the original...
By springswood , 23 hours ago
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No, but the heat pump must be capable of delivering a S...
By JamesPa , 1 day ago
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Sorry to hear about the problems, its going to be somet...
By JamesPa , 1 day ago
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RE: Daikin ESPAltherma and Home Assistant installation
It's laziness lol The PV system is very chatty, meter...
By bobflux , 2 days ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
R (The R Project for Statistical Computing, I use it wi...
By cathodeRay , 2 days ago
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RE: Vaillant Arotherm Plus 7KW need a service on it
booked it with Vaillant. will use them until i can find...
By AdamK , 2 days ago
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RE: Adventures in heat loss calculations
I have seen it stated that the declared calorific value...
By JamesPa , 2 days ago
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RE: Two heating zones to one zone
@transparent Many thanks. The garage is fairly well ...
By Profzarkov , 3 days ago
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RE: Vaillant Aurotherm - Heater Wire Position
Ah, good point. I need to check if this was installed i...
By Batpred , 3 days ago
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@batpred thanks for getting a copy. Appreciate the supp...
By Mars , 4 days ago
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