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Last seen: Jun 28, 2025
The manual is quite explicit that it is set for the flow meter supplied ... and the Sika sensor says it only measures up to 80l/min - but if you look ...
I have a meter on the dedicated HP circuit, so I know exactly what the HP is consuming. It is that that enables me to make the comparison with values ...
As it is possible for the FTC to be powered from a separate circuit, should this be the case none of its power draw, including the pumps, will be meas...
I think Occam should get his razor out on this one. The simplest explanation is that the Mitsubishi is not capable of accurately measuring the electri...
@jeh in relation to your house I can see why you suggest 13000kWh is a lot, but it is around the average heat requirement for the UK, and the avera...
An annual gas use figure of 13000kWh, as long as you are close to keeping the entire property at 20° for most of the time, would suggest a 5kW ASHP wo...
All heat pumps will hit the point where their minimum output exceeds the heat being taken out by the heating circuit, not oversizing too much means th...
The output of radiators running at 35° is around half that at 45° – so your radiators would have to be twice the size! And you can't really drop the f...
I posted on another thread which may of some relevance - – I had a similar gas use figure and a similar heat loss figure which with the data from the ...
@mattc The heat loss was done for a temperature of -2.5°C and produced a figure of 7.31kWh for heat loss. That would work out at 175kWh for a day a...
You would think/hope that energy used in heating a building would be an ideal benchmark to build a system round, but unfortunately it doesn’t seem to ...
@hcas - exactly so. I did read one other persons similar experience but the overshoot was lower if I recall correctly. I can only make this comparison...
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Latest Posts
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Whats more relevant is that a badly installed air/air s...
By EtchedPixels , 13 minutes ago
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RE: Help me keep the faith with my air source heat pump installation
I didn't know about those, they look like good pieces o...
By JamesPa , 2 hours ago
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@mkz, that's very helpful. Even if Urban Plumber are no...
By Majordennisbloodnok , 2 hours ago
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RE: Several AC coupled batteries
That is a good point, a manufacturers can stop trading,...
By Batpred , 3 hours ago
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My first question is why bother with the auto balancin...
By JamesPa , 3 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
Hi @hanno - good question. The range of hybrid invert...
By Transparent , 3 hours ago
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RE: GivEnergy inverter tripping due to over-voltage?
@transparent the inverter was installed in 2021 and afa...
By Tim441 , 3 hours ago
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I share the same experience as @majordennisbloodnok hav...
By Old_Scientist , 4 hours ago
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RE: Say hello and introduce yourself
I hope so, @toodles. It's not often that we see a situa...
By Majordennisbloodnok , 7 hours ago
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RE: Heat pump design review please: 5 kW Vaillant aroTHERM Plus heat pump
@jamespa many thanks, definitely i will give the pre...
By ragtime27 , 18 hours ago
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RE: Heat pump installation quotations
@jamespa I noticed that in the Heat Geek design consult...
By Batpred , 20 hours ago
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RE: Electricity price predictions
Good point, I do expect the bonus of putting my energy ...
By Batpred , 1 day ago
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RE: Daikin ESPAltherma and Home Assistant installation
@bash, something we haven't touched on already relates ...
By Majordennisbloodnok , 1 day ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Vaillant arotherm plus 12kW. Installed March 2025. Ex...
By Harebell , 2 days ago


