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Last seen: Mar 13, 2026
@sunandair thanks again. So my graph where the flow and return are straight across, contant delta T more or less, do you think that's good or bad? Wit...
@sunandair thanks for your replies, yes I think your right, in what little I know so far, I'm just trying to understand and find the right strategy. M...
@sunandair hi, HP is on all the time, as in it's on weather comp and not on timer etc, all stats set to about 19.5c from 10pm til 6am, then they chang...
@sunandair hi. So if the Delta T is OK when doing DHW that's good, but not so on ufh? Could this be the flow rates on manifold need adjusting, I've re...
@sunandair Hi here's the hourly screen shots from 6am til now 3:30pm, DHW comes on at 11am
@sunandair Hi thanks for the questions, im not sure i can answer then fully though but hes what i can say. 1. i have the MCs cert and under floor fl...
@judith ĥi, I managed to get on to Ovos limited trial for their heat pump tarrif, 15p a unit for all heat pump consumption. It's a new build apartmen...
@toodles hi, I think you may of mis understood my post, I'm happy with my temps atm, and I'm monitoring them as the oat getting nearer 0C and will twe...
@editor Hi Mars, on the ecodan FTC6 it shows consumed for Dec 148kwh delivered 388 kwh. So is that a COP or SCOP? Of 2.65? So not very good? How could...
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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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