Last seen: Sep 21, 2025
This is why I mentioned epidemiological observational studies, you have no control over the variables whatsoever. The main way you deal with that nowa...
@bontwoody - thanks for the replies. Inline probes should be accurate, but at the same time such a precipitous drop seems most unlikely, given the...
@jamespa - I suspected all along the answer might be 42. Now we have the answer, we can now work out the question, and I think you have phrased it w...
I think there is at least one thing that isn't right in that chart, the sudden precipitous drop in flow temp when the heat pump turns off. That doesn'...
@iwolf - on my installation there are two flexible connectors connecting the heat pump flow and return to the fixed pipework where it passes through t...
It does correlate well already, at least the OAT/energy out are well correlated, that's the basis of the empirical method of determining heat loss. It...
@paul436 - thanks, that would appear to confirm what i thought.
Not sure, but I think that may be the inline filter by the heat pump is blocked. Mine has a quarter turn valve to close of the pipework, and then you ...
@jamespa - this all sounds do-able, and I agree it is worth a try. To cover your various points: The heating was always on (with or without setback,...
I do already have a lot of data. Since late March 2023, I have been collecting data at minute intervals for all of the variables you mention, apart fr...
Thank you, it is. Your second paragraph also covers something I had been thinking about as well, the situation where a true but small inter-sample dif...
I wasn't looking for correlation, just gross eyeball differences between SB and no SB running. As I said, I can't think of any other way of presenting...
Latest Posts
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RE: Repiping and Reconfiguring our Heat Pump System Including Removing the Buffer Tank
ok my setup is pretty simple: 7.35kw cibse heat loss ...
By AdamK , 9 hours ago
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RE: How to choose Towel Rails for an ASHP
In one en-suite bathroom we have a 180cm high towel rai...
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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 , 11 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 , 16 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 , 17 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 , 17 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 , 18 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: Which temperature sensor for a Steibel buffer and Ecodan?
@ashp-bobba might be able to help as an Ecodan expert.
By Mars , 2 days 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...
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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
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
It is interesting to see what our new Grant Aerona 290 ...
By GrahamF , 6 days ago
