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Last seen: Aug 9, 2026
I should think so, I thought that pretty much universal practice was to install heat pumps on AV feet and I am surprised not doing so was even conside...
Those two fat pipes on the other side of the tank must be going somewhere. It would also explain the need for a second pump (presumably there is one ...
Well done for identifying it, thats half the battle. Sometimes one component (in any system, not just heating) amplifies noise generated by another. ...
Maths looks right to me, my only question about this calculation is whether its reasonable to assume that the whole 180l is reduced in temperature to ...
@davesoa Sorry I meant to tag and respond to @cmartinbwmba in my response, whilst nevertheless commenting on your comments for the benefit of @cmarti...
Totally agreed (and hopefully this is the major contribution to energy) - but isnt that contained within
With 'Standard' there are 8 different heat curves (temperature levels) available, I think the idea is that you can change between these (My Vaillant h...
It is counter intuitive but that doesn't mean its wrong. All heat pumps work best if operated at the lowest possible flow temperature. The amount of...
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Degrees of Separation
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See here: which suggests 25-27L per kW for very lo...
By Old_Scientist , 41 minutes ago
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RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
Unfortunately the answer is Yes you will need a new FTC...
By F1p , 14 hours ago
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RE: PV and battery long payback - sense check query
So if it helps I was recently quoted about 8 grand for ...
By EtchedPixels , 15 hours ago
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RE: HomeTherma Is Live: A New Home-Energy Platform Built Around the Homeowner
Signed up!
By bobflux , 22 hours ago
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RE: Electricity price predictions
In our case, we constrain the charging level etc using ...
By Batpred , 23 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
I had a quick look and they are a little vague. They ...
By BlizzardGreen , 2 days ago
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RE: Has anyone seen this problem before? Huge anticycling times
Oh dear. Glad it was replaced. I have been mighty imp...
By JamesPa , 2 days ago
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RE: Can I start an argument about buffer tanks please? 🙂
Dont, just adjust the LSVs to get different temperature...
By JamesPa , 2 days ago
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RE: Heat pump running costs – what has actually worked for you?
I installed the air source heat pump in January 2026, i...
By bobflux , 3 days ago
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RE: Grant Aerona Air to Water R290 6.5 kW - Quiet Mark and Silent Running
Thats all interesting. DHW on my Vailant seems to respe...
By JamesPa , 3 days ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handle: adrian Manufacturer: Appliandirect.co....
By Adrian , 5 days ago
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