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Last seen: Sep 13, 2026
In short they will be making different assumptions about the fabric leading to different loss estimates. The only ways to reconcile are either to ins...
@chastity_outward053simplelogi Diagram looks unduly complex to me but @bobflux will likely suggest mods so I wont comment further other than to say...
Thanks for this, I didn't realise the equation was that simple. I tried to get an estimate of mine a different way by looking at measured temperatu...
Im not sure they will in your case? FCUs are just like any other emitter, the energy they will emit is dependent principally on the flow temperature ...
I cant comment on harmonics but, if I read this flow chart correctly (by the ENA so presumably definitive) a whole load of heat pump insta...
I agree entirely. My heat pump is entirely capable of programmed 'set forward' without resorting to on/off control but, as yet, I haven't tried it, l...
Thats a very good point; as you say the other approach to energy storage is to use the fabric of the building, albeit at the expense of some variation...
I think the answer must be yes, but the cost advantages over a battery probably vanish (and a battery will always be more flexible). Im not sure if s...
@batpred, @sttpd1917 I agree with what @batpred says and would add: Based on the fact the house cools 'significantly' at night then its possible ...
As its using ToU tarrifs then its totally believable so long as it heats the water to a reasonably high temperature when leccy is cheap. Basically ...
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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 , 6 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 , 9 hours ago
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Never assume, it makes an ass of u and me! OK, tha...
By JamesPa , 9 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 , 11 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 , 12 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 , 2 days 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 , 3 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 , 4 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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