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Last seen: Jun 29, 2026
@jamespa Heat Geeks did a full survey (although as the survey is of the house before the extension, it's a bit hard to see how it properly accounts fo...
Interesting. I wouldn't be worrying about form factors if a 7 kW unit was proposed. They are a lot smaller. An example cold day would be this (I h...
Hello all, It has been a long time since I've posted. In the mean time a long grind of gathering quotations. I think we are ready to get under con...
I watched a couple of days ago and have to agree with @jamespa that it didn't necessarily bring any clear answers. In particular there seemed to be a...
Thank you. I've got a couple of leads courtesy of Mars, and requested design consultation via the Heat Geek web portal, so I'll see What some expert...
Thank you. I'll try to put a summary together in a new thread. Might take me a day or so to pull that together.
Hello and thanks for letting me join. My partner and I are in the midst of planning an extension to our victorian semi in the Nottingham area an...
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Degrees of Separation
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 , 40 minutes 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 , 4 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 , 9 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
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