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Last seen: Oct 28, 2026
The Grant Aerona Smart Controller has an interesting approach. It has a parameter called Room Temperature Correction. It applies the following formu...
@gruff2001 I had an MCS inspection on Tuesday. He checked whether we had a proper soak-away for defrosting the heat pump, looked at the pipework arou...
I was asked to help a lady who had an Ideal heat pump installed under the ECO4 scheme. She asked for help, because the lounge thermometer was reporti...
@jamespa I read the original post, which I interpreted as saying that he wants the house to be 16C during the day and 15C at night. I think he is a f...
This may not be a helpful post, as you have already purchased the equipment, but I have a couple of questions: Assuming you have just installed th...
A couple of suggestions: It is important to set the weather compensation curve correctly at both ends. Otherwise, a change of outdoor te...
I have a Grant Aerona R290 15.5kW heat pump, which is running very nicely. Certainly don't go for the Aerona3 R32 heat pump or its antiquated control...
@jamespa I agree that it is important to avoid a 4 port buffer or low loss header, due to the impact on efficiency. My understanding is that volumis...
I would agree with your view that the larger house will be less efficient. The basis for this is: There might be longer pipe runs outside the hea...
@toodles interesting suggestion, thanks. I will try to resist the temptation to hijack someone else's topic to solve my problems!
@jtg while you are checking the plumbing of the buffer tank, make sure the flows are at the top and the returns are at the bottom. Mars explains in t...
I agree with @jamespa that your buffer tank and secondary pump may not be required at all. I have a 1960s two storey house with 30 radiators. I have...
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Latest Posts
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Should I change my cylinder when changing from a gas boiler to a heat pump.
I have 178 L Gledhill unvented cylinder which was fitte...
By David , 5 hours ago
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RE: Plug and play solar. Thoughts?
Impressions so far from the one I've installed are that...
By EtchedPixels , 6 hours ago
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@batpred The Daikin temperature probe protrudes from th...
By Toodles , 10 hours ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
@editor And as an occasional contributor, may I say wel...
By Toodles , 12 hours ago
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RE: Should Households Who Can Afford It Pay More for Energy to Help Those Who Can't?
They don't have to try. Our entire system is d...
By EtchedPixels , 12 hours ago
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RE: Why don't people choose heat pumps?
Fair enough. I guess I was thinking of pipes that run ...
By JamesPa , 12 hours ago
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RE: How Can I Prove Coal Was My Main Heating Source Without Receipts?
Got excepted for the grant now so thanks for the replie...
By Chilli304 , 16 hours ago
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Daikin Altherma 3 R F+W, room thermostat control, weath...
By JanHarley , 17 hours ago
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RE: Buffer tank on a 2 x 14kw Ecodan system
Pretty much as I had guessed in my crude scaling from m...
By JamesPa , 20 hours ago
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RE: Help me keep the faith with my air source heat pump installation
Well you have a vibration generator running at some fre...
By bobflux , 1 day ago
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RE: Who's your electricity provider and what's your tariff?
@downfield Thats a decent rate, I’m shocked they hadn...
By Papahuhu , 2 days ago
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RE: Adventures in heat loss calculations
@toodles thanks! So as suspected, around a doubling of ...
By SusannaSaunders , 2 days ago
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Six books in three years and I think I’ve now covered j...
By Mars , 3 days ago
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