Last seen: Nov 27, 2025
Vaillant are pretty good maintaining their sticker output or better, so I don't thing the heat pump is the issue, but it may well be that ...
Me too, but I think we are in the minority. Most homeowners dont understand anything about heating, dont want to understand anything about heating an...
Thats really helpful as it clearly says target 49C. So unless the actual flow temp keeps going up we know there is a limitation somewhere. Moreover...
I can think of a few possible reasons why the manufacturers of third party controls in general might want to be obscure about what they actually do ...
@davidnolan22 Inspired by someone on buildhub I asked ChatGPT and Duck.ai (which uses chatgpt and other LLMs) the following question: "Supp...
Maybe you are right to be cynical and maybe not, I would really like to know as it would help understanding how best to operate (in particular) oversi...
@adamk Hi I see you posted on openenergymonitor, this in particular house is 1967 3 bed extended over the garage in 2005 to 4 bed then...
Often the default password is in the installation manual, which is on manualslib. Its unlikely to have been changed or personalised to the installer ...
Noted NR is definitely off. According to the Vaillant manual weather comp curve 0.5 is about 35C at 0C OAT Suggest you bump this up to say 0.8 whic...
Thats good at least. Is your soil locally damp or dry? Im presuming the floor is something like 100mm slab on hardcore on soil with a DPC somewhere....
fair enough! Better advice IMHO would be don't work on a house with uninsulated UFH, or if you do fit radiators instead! Well thats an admis...
Yes in general terms (obviously I cant tell if its exactly the right setting). Wait at least a day before changing it again, perhaps 2. This can tak...
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RE: Electricity price predictions
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Hi. We have a 112 m2 year-2000 built standard box. W...
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@f1p, sorted, on a android phone Just swaped from ...
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RE: Solis S6-EH1P8K-L-PLUS – Why I Chose It and What I’ve Learned So Far
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RE: Replacing my 18 month old Hitachi Yutaki ASHP
@trebor12345 Good data, will examine more closely befor...
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RE: Here is my heat pump installation with questionable COP in Italy
@jamespa Sorry for the late reply, I apologize for the ...
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
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RE: Trying to understand my Nibe F1245
First of all you have one of the best geothermal heat p...
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@batpred your signature says you have an Ohme Pro wha...
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Thanks for your response. I have UFH downstairs and ...
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We have a Vaillant aerotherm with sensocomfort. We have...
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@trebor12345 Yes, expect defrost cycles to initiate at ...
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I would probably have them in white as that would match...
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RE: Hitachi Yutaki SCombi Heat Pump - Owners
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RE: MelCloud "Mixing tank temperature"
This post, on my 'diary' thread, might be of interest i...
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RE: Heat Pump Training vs. Real-World Installation
Thank you for doing that, @editor, and for writing this...
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