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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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Latest Posts
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RE: Where heat loss surveys seem to go against practical reality
@cathoderay I started to record oil usage per month on ...
By ian33a , 2 hours ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
@bobflux The hydraulic simulator is very interesting...
By Rob of York , 6 hours ago
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RE: 7kW EV Charger Options Advice
Thanks. Yes, we have patchy 4G. The only option we had ...
By Rusty , 11 hours ago
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RE: Being screwed over by Volkswagen Audi Group
Thanks, @batpred. That integration is the one I have in...
By Majordennisbloodnok , 1 day ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
@batpred I suspect it will be more this year. I had 9 ...
By AndrewJ , 1 day ago
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RE: Surface mount or bury primaries for heat pump installation?
@jamespa It's rusting 🙂
By tomasmcguinness , 1 day ago
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RE: Glass lined Cylinder for private water supply
Thank you, once again, for your replies. Yes...
By ian33a , 1 day ago
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It’s been out a few days and Amazon has already attache...
By Mars , 1 day ago
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RE: Missing flow temperature in Heat Geek proposal
Yes, and this is another point I agree. We did find a f...
By Batpred , 1 day ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
A very good point. In effect, the DHW pipework is an em...
By cathodeRay , 2 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@tim441 Here are those same three month periods for 202...
By Toodles , 3 days ago
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RE: Adding additional Solar Panels to a DC coupled battery system
@transparent thank you for your reply above. As alway...
By Old_Scientist , 4 days ago
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RE: Adventures in heat loss calculations
@rob-of-york — thanks for posting this, all very useful...
By cathodeRay , 6 days ago



