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Last seen: Jun 14, 2026
@benson you asked above about the Jan comparison with other months. We have a COP of 4.0 for January and 4.7 for the October to March 6 months. This...
UFH should never be at 50C since small feet can get burned. I think the regs say 39(?). But your floor covering could be damaged too unless it’s tile ...
20miles away is not too far for a good install. Our installation was done by a guy who lived about 25miles away but some of his subcontractors (who ch...
Key to this discussion is compressor performance. John Cantor addresses this at the end of his very useful YouTube video on ashp cycling. He shows one...
That’s just a guess, and your usage patterns may vary. It might be worth trying to work it out for your circumstances. If you want to improve your c...
If you have a decent export tariff such as Octopus’s 15p then you use the export to build up your cash in your account over the summer and then spend ...
@jamespa not found the hysteresis to be a problem yet. The house warms up a lot in the sunshine so it’s only back to our desired temperature by later ...
Ours is 1000 starts in 3200 hours running time over 6months. So twice the rate of James, but again nothing I will worry over. Nice discussion from M...
@jamespa use expanded mode! It’s ideal for that, and I’ve just moved back to it.
@gary thanks for that link. A very useful analysis and I’m pleased to read the author’s view corresponds to my quick glance on it being some batches. ...
@eliuccio there are some very high level arguments in this thread which will be challenging at first read. Since you want to make a decision perhaps t...
Nice data set Gary. Tesla clearly had a quality issue with the PW in 2019-20, in that many are showing much reduced capacity even with few cycles. We...
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Degrees of Separation
Latest Posts
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My first question is why bother with the auto balancin...
By JamesPa , 27 minutes ago
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RE: Indevolt Batteries UK Support & Info Thread
Hi @hanno - good question. The range of hybrid invert...
By Transparent , 30 minutes ago
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RE: GivEnergy inverter tripping due to over-voltage?
@transparent the inverter was installed in 2021 and afa...
By Tim441 , 49 minutes ago
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I share the same experience as @majordennisbloodnok hav...
By Old_Scientist , 2 hours ago
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RE: Several AC coupled batteries
Ready-built LiFePOâ‚„ batteries are also readily availabl...
By Transparent , 2 hours ago
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I agree. So far as I understand, we can't necessarily...
By Majordennisbloodnok , 2 hours ago
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Did you try using the find an installer tool in the sit...
By Batpred , 3 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 , 4 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 , 16 hours ago
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RE: Heat pump installation quotations
@jamespa I noticed that in the Heat Geek design consult...
By Batpred , 17 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: Help me keep the faith with my air source heat pump installation
@jamespa these:
By AdamK , 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
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