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Last seen: Jun 15, 2026
Our system is open no hydraulic separation. The volume is high (18 Large K2 and can’t be bothered to add it up) but the installer still added a 26L in...
If the insulation isn’t wet you can over-cover it. It’s nearly always the more the better. 2cm wall thickness would be a good start.
Unfortunately I missed this deadline since life activities got in the way. That’s how they get away with such outrageous acts the poor victims only fi...
@sunandair you certainly seem to understand it now! Congratulations.
@simonwhiteley ours in practice correlates best with the peak usage day. Depending on your actual values the lowest heat loss prediction by spreadshee...
Contributing to the comments about compensation by overshoot in normal operation The first is de-frosting at virtually full capacity on our Vaillant...
100% is a good level! Our system is a 7kW Vaillant designed for 42C flow temp at -2C external. That gives it some flow in hand for demanding tempera...
Do you have a Sensocomfort? it looks like
Back to gas: we too had the meter removed for free by Octopus. It took very few minutes less than 15, so not a huge subsidy from them. We had a new ga...
Our house has a solid concrete floor cavity walls with old foam insulation and 300mm of insulation in the roof. It’s 190m2in area and 1950s build. The...
I’m not as expert as James but we have Vaillant and are happy with the heat level and wince a bit at the cost when it’s this cold So you ought to be...
While you are pulling the data together that James needs to help you should also download the MyValliant app. It tells you a lot about your system you...
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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 , 5 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 , 5 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 , 6 hours ago
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After an intense recode, I’m pleased to announce that w...
By Mars , 6 hours ago
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Why do you want to maintain a specific deltaT? The out...
By JamesPa , 8 hours ago
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Hopefully this will answer your question. To...
By ASHP-BOBBA , 8 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 , 8 hours ago
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Don't you dare. You just carry on as you are; as @batpr...
By Majordennisbloodnok , 10 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 ...
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RE: Several AC coupled batteries
That is a good point, a manufacturers can stop trading,...
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RE: Indevolt Batteries UK Support & Info Thread
Hi @hanno - good question. The range of hybrid invert...
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RE: GivEnergy inverter tripping due to over-voltage?
@transparent the inverter was installed in 2021 and afa...
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RE: Say hello and introduce yourself
I hope so, @toodles. It's not often that we see a situa...
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RE: Electricity price predictions
Good point, I do expect the bonus of putting my energy ...
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