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Last seen: Oct 29, 2026
For some actual data I recommend reading the NESTA survey from 2023, this is the largest and most comprehensive independent survey I know of about 200...
I can't really suggest anything other than trying to narrow down the source location. Sorry.
FWIW I used to get expansion noises from pipework under the floor with my gas system. Inevitably pipes move a bit, the coefficient of expans...
Sounds like something expanding somewhere, perhaps then hitting up against something.
Personal choice but without a doubt my heating pump copes better with the season ends than my boiler did. The boiler just overheated the house or cau...
We turned it off a few weeks ago then turned it back on again. Im expecting to turn it off again. Our house exhibits similar behaviour to that descr...
They aren't. The problem is that thermal stores generally need high temperatures to store sufficient usable energy for typical hot water needs, much ...
I think the laws of thermodynamics pretty much guarantee anything that starts of ordered gets less ordered, and this in turn pretty much guarantees it...
Sorry OAT = Outdoor air temperature, IAT = indoor air temperature, FT = flow temperature, DT = difference between two temperatures, often flow and ret...
Annual consumption is almost certainly better than an EPC. If you have daily consumption (which you can plot Vs OAT) and provided your house is reaso...
No rule that says we do so far as I know. Like much of the burden, this is self inflicted by some installers so far as I can tell, but not by others...
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Degrees of Separation
Latest Posts
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RE: Marvel Heating liquidation
Sorry to hear about this. I dont have personal experi...
By JamesPa , 4 hours ago
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@susannasaunders I agree with @jamespa, I think that yo...
By Rob of York , 5 hours ago
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Boiler Upgrade Scheme funding reduced by circa £750 million in 2026 budget
The funding for the BUS grant appears to have been subj...
By Rob of York , 6 hours ago
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RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
JamesPa The chart explains well how the heat curve an...
By trebor12345 , 9 hours ago
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RE: Free app: run the immersion / heat pump from Growatt battery & solar surplus – no Home Assistant
Please bear in mind, everyone, that in order to use thi...
By Majordennisbloodnok , 1 day ago
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RE: The good, the bad and the not that great – my heat pump installation
@burtis Thanks for posting this and Im so pleased you ...
By JamesPa , 1 day ago
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RE: I need help with Ecodan ASHP
@f1p It turns out there have been a solar panel install...
By Andris , 2 days ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews your installer would be right to say that the...
By GrahamF , 2 days ago
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RE: Tradespeople on Their Phones: What’s Acceptable When They’re Working in Your Home?
Actually, that's a very important point. I've only ev...
By Majordennisbloodnok , 2 days ago
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RE: Aerotherm and weather compensation
These are likely inked. The basic explanation is tha...
By JamesPa , 2 days ago
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RE: Electrical works for air to air heat pump
agree with above. I have not had extra costs added wh...
By Batpred , 2 days ago
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Good to hear that you found a solution. Absolutely a...
By Batpred , 2 days ago
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RE: Are there any comparisons of DHW heat stores around?
@sarahemmm I have done things the opposite way round I ...
By Toodles , 3 days ago
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RE: How will removing the standing charge on gas bills benefit heat pumps?
The BUS grant funding for 2026/27 will run out at the c...
By Rob of York , 4 days ago



