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Last seen: Sep 7, 2026
Indeed, and it is a complex area. My primary observation (I have an old leaky grade II listed building) is that installing a heat pump appears to have...
@mphb - thanks, a useful link. Using google translate, I found the post contains this: "There are 8 heating curves pre-programmed, with "1" being th...
That is exactly what weather compensation is, and it is what you want. One zone, no TRVs (with very rare exceptions) and weather compensation. Strictl...
@iwolf - I have a very similar if not the same heat pump. Yours has a suffix, perhaps that means it is the German model. I don't speak German I'm afra...
My reading of the rules is that secondary glazing is definitely OK in listed building. The only alteration is a removable magnetic strip, on a par wit...
Hmm, the joys of old buildings! Are the metal frames mounted in wooden frames, as is often the case? If so, and enough exposed surface is available, t...
@toodles - perhaps more likely cool chilled out bats, the heat pump after all puts out cool air. But good to be free of bat poo. @majordennisbloodno...
@toodles - as you may recall, I have a listed (Grade II) building, and so have some experience in this area. It doesn't have to be expensive, that isn...
The design/heat loss calculations IATs varied between rooms, range 19 to 22 degrees, to satisfy MCS requirements. The average was 20.4, say 2 degrees ...
That's a good point, I forgot i am only dealing with a steady state linear relationship that doesn't involve a declining COP. Here's the linear regres...
I think you are making assumptions here. Review the data for Jan 2024 above, and posts passim that include setback periods. The house has a relatively...
I appreciate this thread may appear to be going off piste but I think if we take OP's original statement ('My approach is then, to simulate an ASHP wi...
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RE: Where heat loss surveys seem to go against practical reality
No it cant, but it could be a (material) fixed or quasi...
By JamesPa , 5 minutes ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
I think trying to deduce flow rate from an instantaneou...
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RE: 7kW EV Charger Options Advice
I’ve had an EV with wall charger for over 3 years and t...
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My Adapt is finally installed and running! Almost a yea...
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Hi all, Hoping someone here has hit this before, beca...
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RE: Being screwed over by Volkswagen Audi Group
Thanks, @batpred. That integration is the one I have in...
By Majordennisbloodnok , 3 days 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 , 3 days ago
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RE: Surface mount or bury primaries for heat pump installation?
@jamespa It's rusting 🙂
By tomasmcguinness , 3 days ago
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RE: Glass lined Cylinder for private water supply
Thank you, once again, for your replies. Yes...
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It’s been out a few days and Amazon has already attache...
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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...
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A very good point. In effect, the DHW pipework is an em...
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RE: Solar Power Output – Let’s Compare Generation Figures
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