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Last seen: Oct 30, 2026
Another thing I noticed in my quick skim was a graph showing steadier temps with ordinary trvs than with smart trvs which made me wonder whether the o...
The original paper is 84 pages long so deserves a good read, which I intend to do. The key question, which is not stated in the summary, is 'what is...
Personally I think you are well beyond believing an installer instinct or NAPIT. When you adjusted the heating as suggested here you were warm enough...
Hot pipes connected to the cylinder should be insulated for at least 1m from the cylinder. 0.3 C/hr is 87W, what is the cylinder loss spec, this does...
I can't find any actual regulations governing the clearances. It's notable that the new Valiant models have much reduced restrictions on placement so...
19k is having a laugh at your expense. Ignore. The only connection vaillant need to the dhw tank is a temperature sensor. Almost all heat pumps ne...
RT is a function of flow rate and heat demand and not something you directly adjust. It will be measured by the heat pump for sure so the information...
I agree with pretty all of what @bobflux says. With 140sq m well insulated and the guest rooms not all together zoning is going to be a waste of time...
Quite possibly all wrong. Get other quotes or regret Can you tell us more about the house, construction, location, floor area, climate where you ar...
What does this include? 3K is well ott. Check midsummer wholesale for a sense check/Calibration. Vaillant are neither the cheapest nor the most e...
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Degrees of Separation
Latest Posts
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@rob-of-york Thanks for these additional thoughts Rob! ...
By SusannaSaunders , 42 minutes ago
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RE: Boiler Upgrade Scheme funding reduced by circa £750 million in 2026 budget
So far there is nothing on the value of the BUS grants ...
By Rob of York , 60 minutes ago
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Coming back on subject... A shortened version of the ...
By Transparent , 4 hours ago
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RE: Say hello and introduce yourself
Perhaps it is time for an update on ‘our’ project. We h...
By Toodles , 5 hours ago
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RE: Marvel Heating liquidation
The interesting thing about the IBG: when I called them...
By davidnolan22 , 19 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 , 1 day 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 , 2 days 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 , 2 days 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 , 3 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 , 3 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 , 3 days ago
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RE: Aerotherm and weather compensation
These are likely inked. The basic explanation is tha...
By JamesPa , 3 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 , 3 days ago
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Good to hear that you found a solution. Absolutely a...
By Batpred , 3 days ago
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