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Last seen: Sep 13, 2026
I haven't been tracking outdoor temp vs COP for that long, but so far I've been getting ~3.75-ish at 8C outdoor temp: The above is the average dai...
You can change the flow temp and target room temp via the app, but not the WC curve or the offset. A bit frustrating for me as my installer put the FT...
The morning ones are the least lucrative for me, partly because I'm usually already at work, and partly because the battery storage probably still has...
We got £17.20 from the one on the 23rd (Octopus). Just turned the ASHP off for an hour and had the battery on (though the vast majority of the savings...
You could also box off just the front and left side and hide it behind a curtain on the side by the door if there's not enough space there.
Agreed - absolutely no way I'd give some random company the API key for my energy provider. Very suspicious!
Forgive me if I'm misunderstanding something but that graph appears to be the Leaving Water Temperature (LWT)? If so you need to also know the Return ...
Seems I posted at exactly the same time as you to make exactly the same point - the change in DT will probably be imperceptibly small.
This is really interesting. Thinking "out loud", I think that assumption is likely - you would only see a significant change in Delta T if your whole ...
Regarding the Honeywell valves, I have this one installed: Should I ask for it to be replaced with a different one? If so what should I tell/ask f...
I wonder if this means that, in addition to the PID-style feedback system, it also has a "model" for heat loss, which it populates with the data that ...
Does the FTC5 controller have a built-in temperature sensor or is it just the FTC6?
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Degrees of Separation
Latest Posts
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RE: Next steps on my ASHP journey: Radiators and Pipework
If you are considering phasing the project, then I woul...
By GrahamF , 4 hours ago
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RE: Siting of the external sensor on a heatpump
Of course had the heat source been a heat pump it would...
By JamesPa , 6 hours ago
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Never assume, it makes an ass of u and me! OK, tha...
By JamesPa , 6 hours ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
In fairness all heating has cost a lot to run in recent...
By JamesPa , 8 hours ago
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RE: Is it the house or the equipment?
@springswood We have two Daikin single split A2A syst...
By Rob of York , 9 hours ago
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RE: Navigating the World of Refrigerants In Heat Pumps: A Guide for Homeowners
Indeed we are invvestigating AC at present and are havi...
By Toodles , 1 day ago
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No, but the heat pump must be capable of delivering a S...
By JamesPa , 2 days ago
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RE: Daikin ESPAltherma and Home Assistant installation
It's laziness lol The PV system is very chatty, meter...
By bobflux , 2 days ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
R (The R Project for Statistical Computing, I use it wi...
By cathodeRay , 2 days ago
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RE: Vaillant Arotherm Plus 7KW need a service on it
booked it with Vaillant. will use them until i can find...
By AdamK , 2 days ago
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RE: Adventures in heat loss calculations
I have seen it stated that the declared calorific value...
By JamesPa , 3 days ago
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RE: Two heating zones to one zone
@transparent Many thanks. The garage is fairly well ...
By Profzarkov , 3 days ago
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RE: Vaillant Aurotherm - Heater Wire Position
Ah, good point. I need to check if this was installed i...
By Batpred , 4 days ago
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@batpred thanks for getting a copy. Appreciate the supp...
By Mars , 4 days ago
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