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Last seen: May 12, 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
Latest Posts
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RE: Estimating true heat loss from twelve months of consumption data
Hi @ian33a you could do your own heat loss calculation ...
By Judith , 7 hours ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
@djh ah, I have never seen this before, interesting ide...
By ASHP-BOBBA , 7 hours ago
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RE: Anyone concerned about GivEnergy?
@sunnyskies I agree with Downfield trying to ask the GE...
By Judith , 7 hours ago
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RE: Setback savings - fact or fiction?
@jamespa — this version may be marginally better: &nb...
By cathodeRay , 9 hours ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
All going according to plan, mid July we get that 7kW a...
By Batpred , 10 hours ago
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Current metrics - DHW target set to 47c
By TaffontheTaff , 15 hours ago
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RE: My Grant R290 9kW Heat Pump Installation
@petch I'm very sorry that I have not picked up your po...
By GrahamF , 17 hours ago
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RE: Samsung gen 7 HP 12kw - auto control issue and water law
Suggest you have a trial with Havenwise app. I have th...
By Broadsman , 19 hours ago
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RE: New Solar, Batteries, Air Source and Under Floor Heating advice please
You’re right: UFH works best with high-conductivity fin...
By bafab , 22 hours ago
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RE: DIY or Don’t Touch? Solarman Smart Meter Install
That was my understanding also.
By JamesPa , 22 hours ago
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RE: Grant Aeona 3 R32 cycling with weather compensation.
That would be abnormal but I cant see from your charts ...
By JamesPa , 22 hours ago
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RE: Vaillant Sensocomfort Time
Oh I remember this from when I set mine up 2 years ago,...
By JamesPa , 1 day ago
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Heat geek have already stated that the pro is in fact c...
By JamesPa , 1 day ago
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RE: The Myth of the MCS Performance Guarantee
@editor I know. As if MCS wasn't bad enough, it's now e...
By Deltona , 1 day ago
