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Last seen: May 20, 2026
Don't know answer to final question. Your contract presumably is with installer so it's his problem to solve if Mitsubishi take an unreasonable tim...
0.65. Heating curve of course depends on rad size/required ft. Mine was designed for 45C FT at -2,:in fact it's running a couple of degree...
If LSVs prove troublesome (which they definitely can) take the heads off the TRVs and fit decorators caps. That gives you a much more linear and fine...
My 7kW Arotherm runs 24x7. I get a SCOP of 4 and that (with a sensible electricity tarrif) makes it quite a bit cheaper to run than my gas boiler was...
Thats bad but at least there is an acceptance that its faulty. I might be tempted to tot up the excess electricity and expect the installer/mitsubish...
Mine does something similar, I'm not worried about it, I assume it's just dynamic pressure difference due to resistance in system. Without pressure d...
Some tweaks of WC may indeed be necessary, if its too hot both downstairs and up (and its not solar gain) then you definitely need to turn the WC down...
Can I controversially suggest that, until the media sorts its house out, much of what you rightly request above is politically impossible. I belie...
Thats just mad, you can get 16.5 pence per kWh for export.
I apologise for the circumlocution in some of my writing, I'm trying to avoid overtly taking a political stance, although I doubt it will be difficult...
Depending on your house loss and location I would say probably yes. Here is what my 7kW Vaillant has been doing, and the OAT. My house loss is 7kW...
Great comparison. Here is my analysis (I haven't listened to what Glyn says): Given that this is at low OAT and looking at the FT behaviour, the se...
Latest Posts
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Heat Pump Operation in Summer - Valliant 7kW
As a new HP owner, I would welcome people’s opinions on...
By L8Again , 20 minutes ago
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RE: Estimating true heat loss from twelve months of consumption data
They aren't. The problem is that thermal stores genera...
By JamesPa , 30 minutes ago
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RE: ASHP Capacity loss with aging
I see where you were also going with this, its is likel...
By ASHP-BOBBA , 2 hours ago
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RE: Renewables & Heat Pumps in the News
Interesting prompt about whether some of the solutions ...
By Jeff , 2 hours ago
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RE: UK warm homes plan - how can it be delivered?
Agree it could sometimes be self inflicted, but I also ...
By Batpred , 9 hours ago
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RE: Daikin Altherma 3 with Fan Coils in Puglia (Italy)… Sanity Check on System Operation
If they don't do heat loss, you need another installer....
By bobflux , 9 hours ago
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RE: Lower electric tariffs for heat pump users
I did some modelling using our real consumption figures...
By ChandyKris , 10 hours ago
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RE: Loud noises in the night - and one for the toolbox?
This may work hopefully now
By Jancold , 10 hours ago
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RE: Sizing an ASHP; Heat loss and kW
There will be no changes internally; ground floor is al...
By GutoFfowc , 15 hours ago
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OK, here's a rather off-the-wall discovery I've made th...
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RE: Indevolt Batteries UK Support & Info Thread
I'd like to re-visit this information from Indevolt. ...
By Transparent , 17 hours ago
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RE: Advice on Vaillant Sensocomfort
I just had an answer from Vaillant technical, they only...
By Batpred , 17 hours ago
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RE: Setback savings - fact or fiction?
Yes, also the higher OAT end is possibly a smidge high ...
By RobS , 1 day ago
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Hi Mars, I've sent you a request to connect me with a...
By sttpd1917 , 2 days ago
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Grant Aerona R290 (15.5kW) - How is DHW Target Temp calculated?
Hello all, We have just had a Grant Aerona R290 insta...
By TaffontheTaff , 2 days ago
