Last seen: Sep 22, 2025
At least the ceiling got plastered, not me! Make of this quick and dirty analysis what you will. Actually, it wasn't that quick, because it involved...
@jamespa - thanks, will get back to this later, I am about to get stuck in to some ceiling repairs!
It does vary. Here is the chart again: On this chart it is more often 2-3 degrees. You can also the the warming caused by the heat pump turning of...
It was probably me, but I think it also applies to many if not most heat pumps, because the immediate environment, specifically the air temperature, i...
Sorry, I hope it is all there, but I didn't explain it well. Starting with your IAT/OAT delta t values (19/10 to 16/10 for 6 hours etc), instead of ...
The AUC calculations I did were for the whole week, with hourly intervals. I think the idea that daily setbacks put the whole in a 'different place'...
Another thought has occurred to me. Maybe the monolithic house, once it is up to temperature, is such a huge heat (energy) store that you can turn off...
I deliberately used the regression equation from test week, so they should be representative. The average IAT did change over the period, but only sli...
I do quite a lot of sailing, which is why I am interested in forecast accuracy, particularly for wind speed and direction, but also for visibility, he...
I agree, but I think there are sufficient caveats. In particular, my post that reported my findings ended with a statement that my findings were not d...
This is an important point, the effects of poor (and for that matter mediocre and good) design and adjustment are effectively unknown unknowns. While ...
@showi - thank you, that is very kind of you! We are, like Sisyphus, condemned to roll this ball forever! I will get back to you tomorrow.
Latest Posts
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RE: Repiping and Reconfiguring our Heat Pump System Including Removing the Buffer Tank
@grantmethestrength, if you pull the trigger on the FRV...
By Mars , 24 minutes ago
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RE: How to choose Towel Rails for an ASHP
@judith Yes I agree. They are extremely expensive. ...
By GrahamF , 47 minutes ago
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RE: Which temperature sensor for a Steibel buffer and Ecodan?
@downfield I have never added a buffer sensor as we nev...
By ASHP-BOBBA , 52 minutes ago
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Riello NXHM Monobloc Air Source Heat Pump
Hi, does anyone have any feedback on Riello NXHM Monobl...
By dgarvey , 8 hours ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
This is actually based on the same chipset as the Svena...
By Grantmethestrength , 12 hours ago
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RE: Powerwall 3 or Myenergi or something else?
@adamk what you need is enough battery size to cover 3 ...
By Judith , 18 hours ago
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RE: Say hello and introduce yourself
@jarlatheoin do put the MVHR in early it’s not an easy ...
By Judith , 18 hours ago
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RE: How to Zone with a Single Room with UFH
We have exactly what you describe, one utility room wit...
By Judith , 19 hours ago
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RE: Who's your electricity provider and what's your tariff?
@agentgeorge Come the Ist of October, the Cosy cheapest...
By Toodles , 20 hours ago
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RE: Boxt Heat Pump Installation Experience
@ashfp Mine does have a buffer tank. That was my experi...
By Andrew J H , 1 day ago
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RE: Help me keep the faith with my air source heat pump installation
I'm sure you are right, I was just trying to understand...
By JamesPa , 2 days ago
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RE: Preparing for 2nd winter in new build house.
Yuch! So that's basically just an on/off control. I...
By Transparent , 3 days ago
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Good day everyone. I'm new here and have a few question...
By Edin67 , 3 days ago
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RE: MCS certificate SCOP vs real-world performance
That may be contributing to lower than expected SCOP. ...
By JamesPa , 3 days ago
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RE: Mitsu PAR-WT60R Wireless Controller - options
How it does it's job is something of a mystery although...
By Abernyte , 4 days ago
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@mixergy Thanks for the update, I would appreciate some...
By bontwoody , 6 days ago
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
Unfortunately I'm not that well connected 😂 ...
By Scalextrix , 6 days ago
