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Last seen: Jan 7, 2026
@tobyg You might also be interested in this link: Definitely HTC gave me the best measurement of heat loss and was at 4.5KW @-2C, way below th...
@ken I agree that this approach is more cost effective, but not necessarily the most efficient way to run a heat pump. I have a 12KW Samsung on t...
@tobyg Grant 10KW most likely a good call. Supplementary heating always an option in rare severe weather. Make sure heat pump is level (otherwise it m...
@tobyg Hi, Yes, when I want the heat pump on during the off-peak periods, I set, using timers, the desired room temperature high, say 20C. The heatp...
Fortunately, much of the time and as was the case was for my house, many of the rads were already oversized, some twice as big (and all K2’s) otherwis...
@tobyg as Ian suggests, radiators are spec’ed at a Delta T (mean radiator flow temp) to ambient room temp, so 70-20C = delta T of 50. A heat pump fl...
@tobyg The Samsung does have a Quiet mode and I believe this changes the frequency (modulation?) and it runs quieter. I assume it’s perhaps less effic...
@iancalderbank Hi Ian, I saw you had a Samsung heatpump and you seemed very knowledgeable about getting the most out of it, so I tagged you. But se...
@mike-h @iancalderbank Thanks for the suggestions. I schedule the pasteurisation cycle each Sunday. When my Octopus Cosy off peak tariff becomes ava...
@iancalderbank Have you had any luck with your Samsung controller?
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
@judith Thanks very much for this! My room by room calc...
By jon , 15 minutes ago
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RE: Vaillant Arotherm Plus 7KW need a service on it
I think that is outrageous even if I suspect not unique...
By Batpred , 46 minutes ago
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RE: Two heating zones to one zone
@transparent Many thanks. The garage is fairly well ...
By Profzarkov , 4 hours ago
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RE: Vaillant Aurotherm - Heater Wire Position
Ah, good point. I need to check if this was installed i...
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RE: Adventures in heat loss calculations
Posted by: @jamespa At this point its probably worth...
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@batpred thanks for getting a copy. Appreciate the supp...
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RE: Tell us about your Solar (PV) setup
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RE: Where heat loss surveys seem to go against practical reality
@cathoderay @jamespa I've managed to get some nice re...
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RE: 7kW EV Charger Options Advice
Doh, not sure that I was thinking straight there, less ...
By Rusty , 2 days ago
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Thank you @trebor12345
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Panasonic Free Multi Z and Etherea Internal units.
My prospective installers have suggested the Panasonic ...
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RE: Next steps on my ASHP journey: Radiators and Pipework
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RE: Heat Pumps Without Grants: Would You Have Installed One & Will You Now?
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My Adapt is finally installed and running! Almost a yea...
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