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Last seen: Jun 15, 2026
That may be part of the plan for all we know! My greater concern is that oil is also something very well off houses use, do they really need the ex...
If they will do room by room you will have the necessary data to take the next step in assessing the microbore issue. Some will do this free of charg...
How very negative. Unfortunately you may be right and if you are the course the cause of that spiral is the result of successive Government actions o...
12000kWh is consistent with 4-6kW depending on your current heating pattern etc. Given that its definitely not clear to me whether you can get away ...
True (first sentence) Thats the reason to consider the 5kW (second sentence). See my previous email for suggestions/questions if you wished to tak...
Thats disappointing. In my 1930s home my ASHP has worked out about 20% cheaper than gas in the first year and about the same as gas/a little bit l...
You need to make an allowance for defrost, perhaps 10-20%. That said I would also be tempted to go with the 5kW based on this data. Before coming t...
Hopefully you can read this. The various tabs in the xlsx show average power over 3, 6, 12, 24 hrs. If you can get average temp or degree days for y...
FWIW The standard single phase domestic EV charger is 7.2kW. You can get three phase ones if your vehicle is capable and you have a 3 phase supply, 2...
Im not justifying Vaillant or anyone else's documentation but please note that there is other documentation available, including in particular lengthy...
The problem I guess is balancing risk/reward. Investors invest to get a reward, if they perceive they might not or perceive a risk they will either l...
Thats a much overlooked benefit of a (properly installed) heat pump based system. Basically much greater comfort for the same cost or a bit less. ...
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Degrees of Separation
Latest Posts
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RE: Heat pump installation quotations
That will be absolutely murdering your energy efficienc...
By EtchedPixels , 3 hours ago
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RE: Harvest Thermal - ASHP with a smart thermal battery
The cooling side works much better if you can figure ou...
By EtchedPixels , 3 hours ago
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Floor standing brackets for K3 rads
My neighbour is a plumber and said I would need to fit ...
By Singlespeed , 4 hours ago
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After an intense recode, I’m pleased to announce that w...
By Mars , 4 hours ago
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Why do you want to maintain a specific deltaT? The out...
By JamesPa , 6 hours ago
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Hopefully this will answer your question. To...
By ASHP-BOBBA , 6 hours ago
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RE: Help me keep the faith with my air source heat pump installation
I would be interested to find out if others do this and...
By ASHP-BOBBA , 6 hours ago
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Don't you dare. You just carry on as you are; as @batpr...
By Majordennisbloodnok , 8 hours ago
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RE: Heat pump design review please: 5 kW Vaillant aroTHERM Plus heat pump
@ragtime27 some rooms in our house only have one place ...
By Judith , 8 hours ago
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RE: Several AC coupled batteries
That is a good point, a manufacturers can stop trading,...
By Batpred , 12 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
Hi @hanno - good question. The range of hybrid invert...
By Transparent , 12 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 , 13 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 , 16 hours ago
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RE: Electricity price predictions
Good point, I do expect the bonus of putting my energy ...
By Batpred , 2 days ago
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