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Last seen: Feb 5, 2024
Unfortunately it does not! The data are from a Drayton Wiser system feeding into Home Assistant. I am not 100% sure what it means, but I think it rela...
@winnie-wicket hi Winnie, I'm not one of these heat pump experts, but I think what would be very useful if you had copies (or could get them online) o...
@toodles have you tried contacting Sunamp directly to see if they can put you in touch with an installer? Or maybe you could get a high temperature ...
Hey Toodles, Is it just the hot water that's the blocker for these installers, or are there other issues? What do you think your peak heat loss is? ...
@robl thanks for your detailed description of - what is to me - a novel method of estimating peak heat loss! Unfortunately I don't have a smart meter ...
@batalto It would be a useful test, and I have been running at low temps recently to try to emulate a steady state heating system*, although I feel th...
@batalto very interesting real world figures, thanks! It's not that I don't want a battery - and indeed these figures show roughly what I had predicte...
@batalto I modelled a battery, but despite it's benefits it increases the time to pay back, possibly up to the lifetime of the battery depending on in...
I went a bit OTT with my ROI forecasting and downloaded hourly data from PVGIS. I don't suggest that you do the same necessarily, but it's worth notin...
Do you know if there are any pressure implications on the rest of the system if the pipes are changed for just one radiator? To be honest I think chan...
Hi Kev, thanks for getting back to me, I have actually read that, and even have it bookmarked along with Graham's book. Although I thought I ought t...
That's an interesting prospect, and I did think of that as the area is appropriate, but most of it would just be round the house so I sort of assumed ...
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Degrees of Separation
Latest Posts
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RE: Where heat loss surveys seem to go against practical reality
I am amazed that there is not something out there to me...
By JamesPa , 7 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 , 12 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 , 17 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 , 2 days ago
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It’s been out a few days and Amazon has already attache...
By Mars , 2 days 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 , 2 days 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 , 4 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 , 5 days ago
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RE: Adventures in heat loss calculations
@rob-of-york — thanks for posting this, all very useful...
By cathodeRay , 7 days ago
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