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Last seen: Aug 17, 2026
I have one Mitsubishi wall mounted fan coil in my otherwise all radiator ASHP system, installed because a passive radiator wouldn't fit. It's in the r...
That is true, there are the most efficient ways to run a heat pump, although not always the cheapest because ToU tarrifs can distort the picture. ...
Thanks for this, good (and useful) analysis! As a matter of interest where did you see that statement, the one I saw (which appears to be bor...
Unless you use negligible hot water the energy used by the compressor will dominate, the water pump will be negligible. So you should optimise for th...
Welcome to the forum and please feel free to ask as many questions as you need to, no question is 'stupid'. If you havent already can I suggest you r...
There is a table here showing figures generally well above 7kW /p> However there has been recent speculation that these figures are gross output and...
I am not sure what assumptions you think I am making in my analysis of what we know so far about whether there is anything 'magic' about a 5C DT flow-...
Or someone is watching the woke in preparation for the right wing takeover to come.
!C drop across the buffer is small, and might cause an efficiency degradation of ~3%. But 2C flow to return is also small so was this at a time when ...
really? Im not sure if thats encouraging or scary.
Not sure this is precisely what happens or how the control loop works. What I observe on plots I have seen (including mine) is that the flow temperat...
I honestly dont know. I think there were two questions 1. Is 5C somehow critical - answer no 2. Does it matter if you have designed for ~5C ...
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
49 is quite high, I would prefer 45, but if they are gu...
By JamesPa , 30 minutes ago
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All of the things you say the industry could do are fai...
By JamesPa , 1 hour 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 , 5 hours ago
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I'm not sure why you would want to make it more difficu...
By JamesPa , 9 hours ago
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RE: Mitsubishi Ecodan FTC6 settings
I was just replying when i saw your edit drop in! 🙂 ...
By F1p , 10 hours ago
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RE: Wood burner with ASHP - direct air?
@lucia FWIW installed a woodburner some years ago. ...
By JamesPa , 12 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 , 5 days ago


