Last seen: Sep 18, 2025
To be honest I don't see a difference between a 2.6kWh 'error' and a 3kWh 'error' on a value if 36kW. Both are within the quite evident noise. Also...
It is indeed exactly that. There is a very plausible argument that fast cycling, at a rate sufficiently fast that the temperature of the circulatin...
Fair enough! As I have said many times in other contexts, good enough is good enough and the perfect is sometimes the enemy of the good That...
"I get what you are saying but reckon the heatpump is restricting me" Yes, I think so. The case where a heat pump wont modulate down to the lev...
What this is much more likely to indicate is indicate is that, at your current flow temperature, you are pumping in more energy than you need if you o...
Noted and good and I apologise that I thought that you might have been implying that. I have when I talk about the effect of thermal mass. As I...
I am absolutely not taking sides here and personally believe that everyone is telling the truth of what they see. What I do observe is differences o...
Thats excellent and doubtless a true reflection of reality or thereabouts (I say thereabouts only because I dont know whether this years weather condi...
As i say above not necessarily in your house which appears to have a high thermal mass and an unexplained high standing load (and other as yet unexpla...
If you work out the 24 hour average IAT and do the simple math correctly you will indeed get a very crude estimate, one which is perhaps good enough f...
It looks like this forum has been the victim of dumbing down, a little way upthread you were prepared to accept an answer based on A level maths, now ...
My plot of IAT-OAT vs energy supplied to the emitters, the latter corrected for changes in energy stored in the fabric (ie thermal mass), would seem t...
Latest Posts
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RE: Big Changes Coming to Our Heat Pump System
I am quite evangelical about my ASHP, even though the i...
By Grantmethestrength , 6 minutes ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
Thanks, that might explain the when, and possibly the w...
By cathodeRay , 45 minutes 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 , 3 hours ago
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RE: MCS certificate SCOP vs real-world performance
MCS:3.65 Reported by Vaillant: 3.96 (heating only); 3....
By JamesPa , 4 hours ago
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RE: Powerwall 3 or Myenergi or something else?
Yes I was thinking of outdoor, IP65 batteries with buil...
By Temperature_Gradient , 7 hours ago
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RE: Help me keep the faith with my air source heat pump installation
Water pump will certainly make a hum (which could conce...
By JamesPa , 10 hours ago
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@jamespa Thanks. Yeah any adjustments Ive made at pr...
By cliffhanger , 10 hours ago
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RE: How to choose Towel Rails for an ASHP
@rob-nezard yes absolutely. Here is the link and a pho...
By GrahamF , 2 days ago
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@mixergy Thanks for the update, I would appreciate some...
By bontwoody , 2 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 , 2 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 , 2 days ago
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RE: Midea ASHP – how to set weather compensation
I noticed that too and thought the same thing, but then...
By cathodeRay , 3 days ago
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RE: Ya can’t win! It is S*d’s Law!
@old_scientist If IOF is still running next late spring...
By Toodles , 3 days ago
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RE: Electricity price predictions
Those of you on Agile will do well tomorrow; there are ...
By Toodles , 3 days ago
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RE: Who’s Caved and Switched the Heating On Already?
We've been running our Ecodan system, installed in June...
By Sheriff Fatman , 3 days ago
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Ok. Two schools of thought. The first is to run the ...
By JamesPa , 4 days ago
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@drei Willing as I am to help, I don't think I'm yet ...
By JamesPa , 4 days ago
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Selling 5 year old ASHP & Gas Combi Boiler - £590
Selling a 5-year-old Daikin Altherma Hybrid Air Source ...
By Paul G , 4 days ago
