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Last seen: Mar 1, 2026
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@benson indeed!!! But at least my estimate is based on real world. However you cut it the worst case would be a COP of 2.5 and I am sure its not ove...
@benson i totally accept its an estimate but surely it should be closer to reality? Otherwise most people could probably do better based simply on p...
I'd be interested in other experiences - if you have the data. Clearly heat loss calcs and EPCs depend on quality of assessors in the first instance...
My gut feeling is that the heat pump is right sized. it does not seem to cycle It heats the house comfortably costs/usage seems reasonable - esp...
@mike-patrick yes, even though the current system is rubbish i got my EPCs updated in part with expectation of England adopting the new UK Home Energy...
Changes due to be announced later in 2026 with effect 2028 Replacing the EPC from 2028 The Government recently consulted on completely replacing th...
Reminder: Changes to EPC methodology in 2025 On 15 June 2025 the methodology for calculating EPC ratings was updated. This update (known as RDSAP...
@mike-patrick interesting update - thanks.I've been through an extended process on my EPC update.Mine was done in 2020 pre ashp & solar/batteriesU...
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 , 5 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 , 5 hours ago
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RE: Anyone concerned about GivEnergy?
@sunnyskies I agree with Downfield trying to ask the GE...
By Judith , 6 hours ago
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RE: Setback savings - fact or fiction?
@jamespa — this version may be marginally better: &nb...
By cathodeRay , 8 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 , 8 hours ago
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Current metrics - DHW target set to 47c
By TaffontheTaff , 13 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 , 15 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 , 17 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 , 20 hours ago
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RE: DIY or Don’t Touch? Solarman Smart Meter Install
That was my understanding also.
By JamesPa , 20 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 , 21 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
