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Last seen: Aug 19, 2026
I have now read this in full. Very interesting and logical. One of the better papers I have seen in relation to ASHPs!
@judith Thanks for posting these, I have skip read both and intend to read them fully. They both look to be interesting and have some useful insight.
Perhaps. My 200 sw m 1930s retrofit with fabric upgrades of various quality at various times has a measured loss (from gas consumption) of 7-7.5kW. ...
Just to put the other, more positive side of this argument, I have now had my heat pump for just over a month and, because the temperature has been al...
Well in fairness it's his job! No need to answer the questions btw, you could as you say just leave it to the installer.
Worth measuring, some ashps have a temperature offset setting which could be fooling the app. Also worth measuring the other two ports on the llh. ...
I realise that maybe the case for your customers now but the statement that bigger is better (and more importantly that you don't have to change the f...
How well balanced is the LLH . Unless perfectly balanced they have the potential to cost 15% or more in efficiency and 5C in flow temperature. If y...
Have you got a buffer tank with 3 or 4 ports? Do you know what temp the flow gets down to during defrost?
@davidnolan22 Couple of questions/ideas Are you operating any kind of noise reduction mode Have you got all rads permanently on, no trvs ...
@gary Thats really interesting. My Vaillant takes (I think) a different approach and whacks the compressor up to 100% modulation immediately after...
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Degrees of Separation
Latest Posts
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RE: The good, the bad and the not that great – my heat pump installation
UPDATE If anyone is interested after 3 years of NAPI...
By Burtis , 58 minutes ago
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At the risk of going on: A slight side issue for a foru...
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RE: Is it the house or the equipment?
...which, I've found out, is pretty much impossible to ...
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
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RE: Mitsubishi Ecodan FTC6 settings
The Mitsi remote thermostat should not be plugged into ...
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@lizzie Thank you, very interesting and useful informat...
By Toodles , 21 hours ago
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RE: PV and battery long payback - sense check query
@jamespa I was just commenting on the speed, not sug...
By Batpred , 1 day ago
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Readers here please note that Derril Water and many oth...
By Transparent , 1 day ago
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RE: Advice on Vaillant Sensocomfort
Oops, I meant Sensocomfort (the UI to the controls)
By Batpred , 1 day ago
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RE: Heat Pump Training vs. Real-World Installation
Our instal was very much the opposite. White haired blo...
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RE: Flushing system, cleaning and inhibitor
While skim reading a manual for our Vaillant HW tank, I...
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RE: 'Chinese Diesel Heater' to heat the home .....
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I'm not sure why you would want to make it more difficu...
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