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Last seen: Jun 23, 2025
@jamespa I appreciate you really digging into this with your brain! 😀 So this is the first summer that I'm actually thinking about this sort of thin...
Yep! And I agree.. the R290 placement restrictions are crazy prohibitive atm. 🙁 If R32 continues being phased out (and manufacturers don't add more '...
@jamespa Hmm, ours would be on an adjoining wall to one bedroom (our current bedroom), and directly below another bedroom (which will be our future ...
@jamespa Also, check the noise spec given its going to be indoors. They say it's 56db, which is apparently similar to a modern boiler? And much lo...
@jamespa & @judith Thank you for giving me confidence in my logic! It’s great to hear I’m kind of on the right track, and it’s super helpful to he...
Hello @old_scientist! Yep looking at the coldest day(s) is exactly what I showed in my spreadsheet on the previous page, here:/p> You can see on t...
Hello @old_scientist! Yep looking at the coldest day(s) is exactly what I showed in my spreadsheet on the previous page, here:/p> You can see on t...
I did a little thinking on it myself! In February this year we used an average of 31 kWh of gas per day for heating + HW. Assuming a generous boiler e...
@editor Hah, interesting! Thank you for asking! I assumed they weren't as bad just due to the smaller size, and the way they're spoken about in some o...
Well you have certainly done due diligence I've certainly tried! 🤣 It's been mind-blowing how hard it is to convince some installers that ...
@bontwoody Would the main consideration for determining whether the pump could achieve that flow (with the pipe resistance as it is) be the power capa...
@allyfish That does look wrong, doesn't it! For identical flows, where the primary and secondary sides are 'in balance' What about when that isn't t...
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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 , 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 , 7 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 , 13 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 , 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 , 6 days ago
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