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Last seen: Sep 22, 2026
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...
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Degrees of Separation
Latest Posts
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RE: Cooling using an air to water heat pump
@jamespa thanks. im not used to being on a forum where...
By mrkfm , 3 minutes ago
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@jamespa Thanks. this is very helpful. It's actually t...
By mrkfm , 1 hour ago
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RE: Passiv Smart Thermostat - Help & Forum Support
Is there any expected time frame for an update to be ab...
By Singlespeed , 3 hours ago
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RE: Why are ASHP installs so expensive?
Posted by: @springswood I confess to becoming a litt...
By Rob of York , 4 hours ago
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Analysis of the economics of switching to an A2W ASHP compared to other heat sources
This post aims to analyse the economics of installing, ...
By Rob of York , 8 hours ago
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RE: Cooling with air to water heat pumps
@editor does that mean you have to have two separate ex...
By mrkfm , 23 hours ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
Posted by: @ian-s Could always use the money saved o...
By Rob of York , 1 day ago
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Depends on what controls the pump! Thats the whole poi...
By JamesPa , 1 day ago
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The positive reviews keep coming in for Britain's Heat ...
By Mars , 2 days ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
I have one of these fitted which also allows you to reg...
By Old_Scientist , 2 days ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
If they can't don't give up. Heat pumps are, in reali...
By JamesPa , 3 days ago
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RE: Missing flow temperature in Heat Geek proposal
Yes that's what would happen by turning down the lsv to...
By JamesPa , 3 days ago
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RE: Grant R290 DHW Cycle Interuption
It looks like some sort of short pre-run. The question...
By JamesPa , 3 days ago
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RE: Cascade System or larger single unit
@renewables345 I would say if it a new build it’s no mo...
By Aventus Eco , 3 days ago
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