Last seen: Sep 24, 2025
@kev-m - I think you may be onto something, an average hiding detail. Here's a zoom in on three defrosts over a two hour period on a recent cold morni...
I have not taken it as a personal attack on me, instead I am trying emphatically to say that constantly pointing out the obvious increases the noise a...
@jamespa - interesting. The confidence interval overlap is indeed very small, and may or may not disappear with larger sample sizes. At the moment the...
I do of course by and large agree, much (but definitely not all, by a long shot) is relevant, because it turns out that to answer the original questio...
I agree, and every now and then I as the thread starter try to remind folks what this thread is actually meant to be about (eg an hour or so ago I wro...
@ The string 'defrost' does not appear to exist in the Midea Engineering Data manual. I have plotted the 'norm' power outputs over the range of OATs...
At the moment, it seems to me there is not enough second thoughts going on, and instead there is a lot of noise repeating stuff we already know - in s...
As I thought, but that is the least accessible place, and invasive approaches are not an option.
DT might actually be the harder one, depending on how and where you measure it (and bearing in mind I have a PHE). The flow rate has two things that m...
If this is correct, then this is compressorgate! Seriously, though, I thought the engineering data was supposed to include the effects of defrost cycl...
Yes, on the left hand side it peaks at just under 8kWh (which is 8kW over that hour, unless I've totally lost the plot). Clearly this is much closer t...
This chart shows the heat pump not quite meeting demand on the left hand side where the OAT is around zero, leaving the IAT below design IAT (19 degre...
Latest Posts
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RE: Heat Pump Installers: Competence, Illusion and the Hard Truth Homeowners Must Face
For reasons to do with how things panned out I went thr...
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As they almost always do so far as can be judged from t...
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RE: Help me keep the faith with my air source heat pump installation
@adamk I am trying to follow the 10 pages:) but probab...
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
Out latest episode has dropped and it's on servicing an...
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@peanutbutter4 - welcome to the forum. Running costs: I...
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RE: Testing new controls/monitoring for Midea Clone ASHP
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By benson , 6 hours ago
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RE: Which temperature sensor for a Steibel buffer and Ecodan?
@ashp-bobba Re: "On the FTC6 it is most like...
By DavidAlgarve , 8 hours ago
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Is there any update on this system? How's it running no...
By davidnolan22 , 19 hours ago
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RE: Why does an ASHP provide a more comfortable environment than a gas boiler?
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RE: Do I just go with the lowest quote for my heat pump?
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@judith Applied for replacement from installer. If...
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RE: Renewable Heating Hub WhatsApp Channel
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RE: Say hello and introduce yourself
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RE: Powerwall 3 or Myenergi or something else?
Let's also bear in mind that Fogstar supply more than o...
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Riello NXHM Monobloc Air Source Heat Pump
Hi, does anyone have any feedback on Riello NXHM Monobl...
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