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Last seen: May 15, 2026
@newby OK here are my considered thoughts based on info so far: Very sensible! General comments: I think its unlikely, bu...
Loss assessments can be a very serious case of GIGO. I had two, both coming out at 16kW following, in each case, a 3 hour survey. I did the calculat...
You will struggle to persuade an installer to do this and nor would I necessarily advise it without careful thought (although I wouldn't rule it out e...
Hi I will give it some thought but in the mean time I found these capacity tables, basically its 7kW in practice. I have no recollection w...
Firstly very well done indeed for actually doing something leftfield. If nothing else it proves that heat pumps arent so mysterious, tehy are just a ...
Yes. I used data from Home Assistant and a Shelley to capture data last year and this year Im back with Octopus (not because of the data download,...
I think you said its an 11.2kW model and your house is a bit over 8kW. Thats certainly a bit oversized but not unusual by any means. In reality heat...
@chimpy Welcome to the forums. Firstly can I say that many people do have excellent experiences with Mitsubishi heat pumps and I am sure you cou...
Unless you have unscrewed them from the valves then it depends on the room temperature, TRVs close or open according to room temp. I think 3 may be a...
These will be ones that are at a state of almost closed. The water whistles through. I have occasionally experienced the same with LSVs but a tiny t...
Latest Posts
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RE: Setback savings - fact or fiction?
Nonetheless, useful commentary in that it tells us 'sma...
By cathodeRay , 31 minutes ago
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RE: Sizing an ASHP; Heat loss and kW
You can't measure heat loss with an app. But you can g...
By JamesPa , 12 hours ago
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I was directed to this app for my growatt system and no...
By David999 , 12 hours ago
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RE: Estimating true heat loss from twelve months of consumption data
@ian33a — I have a sort of residual interest in this pr...
By cathodeRay , 13 hours ago
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Hi, Thank you. So its a Daikin Altherma 3M...
By Lbart68 , 16 hours ago
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I have a Contactum CU. Would the below RCBO (descriptio...
By Batpred , 17 hours ago
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RE: Samsung gen 7 HP 12kw - auto control issue and water law
@chainreaction Agree with @broadsman , it seems many ...
By Batpred , 18 hours ago
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RE: Anyone concerned about GivEnergy?
@transparent Thank you and appreciate your timely reply...
By SUNNYSKIES , 18 hours ago
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RE: Grant Aeona 3 R32 cycling with weather compensation.
The hot water heating looks normal. The heat transfer ...
By GrahamF , 1 day ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
Good questions @temperature_gradient. My understanding ...
By springswood , 1 day 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 , 2 days ago
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Current metrics - DHW target set to 47c
By TaffontheTaff , 2 days 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 , 2 days 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 , 2 days ago
