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Last seen: Aug 17, 2026
It's a good question and one which I have asked myself. We really need a solar panel physicist to answer, I am a lapsed physicist but never really st...
The volumiser provides extra system volume which may reduce cycling or may be necessary for defrost if your system doesn't otherwise have sufficient w...
I believe so, we are looking for difference so as long as you can clamp consistently then it doesn't matter if the figure isn't perfect. I stress th...
@tim441 if you want to you can work out roughly how much it's costing by measuring the temperature drop across the buffer flow to flow. The cost is r...
15% or more typically The problem is not loss of energy (which as you say is small) its reduction in flow temperature to the emitters (due to the mi...
Pretty much that, basically (1) make sure that the fabric model represents the actual fabric and (2) adjust the ACH to fit measured loss. Here is th...
As long as they follow the weather compensation I wouldn't worry for now, You probably won't want room influence anyway. If they aren't following th...
3 times per hour is reasonable. Are you sure it isn't doing defrost rather than cycling because of overcapacity?
@lakey Do you have half hourly or daily readings and what was the heating pattern. Basically my ashp was sized on gas meter readings and the fabric s...
Thats the only logical explanation because for their main function they emphatically dont. Could be, then once he had received them he realised t...
I remember thats where you started (conservatism in heat loss). What do you actually know in total about heat loss. Do you have any consumption fig...
Once its running at lowest possible FT you might be able to reassess the operating mode when its mild. Depending on your house, when its mild (which ...
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@Ian-S, I think @JamesPa’s latest comments are probably...
By Mars , 7 hours ago
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@jamespa, I think we agree on about 80% of this. Where ...
By Mars , 7 hours ago
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RE: 'Chinese Diesel Heater' to heat the home .....
Old thread but I'm new to the forum so new to me. How...
By BlizzardGreen , 13 hours ago
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I'm not sure why you would want to make it more difficu...
By JamesPa , 17 hours ago
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RE: Mitsubishi Ecodan FTC6 settings
I was just replying when i saw your edit drop in! 🙂 ...
By F1p , 18 hours ago
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RE: Wood burner with ASHP - direct air?
@lucia FWIW installed a woodburner some years ago. ...
By JamesPa , 20 hours ago
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RE: Who's your electricity provider and what's your tariff?
@toodles I invested on Miele a pair of frodge frozor wh...
By AgentGeorge , 1 day ago
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RE: Flushing system, cleaning and inhibitor
Flush and fill all complete. Octopus kindly gave us a...
By Old_Scientist , 1 day ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
I think I saw a diagram for an exhaust air dhw tank wit...
By JamesPa , 2 days ago
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RE: Indevolt Batteries UK Support & Info Thread
Thanks, however that's an answer to a subtly different ...
By JamesPa , 4 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@toodles Such elegant symmetry. look at my lumpy bag of...
By Papahuhu , 5 days ago
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RE: PV and battery long payback - sense check query
Quite probably not, but you can get a 32A relay and a S...
By JamesPa , 6 days ago



