Last seen: Sep 10, 2025
And then just look at them there formulas! I think the benefit is all three of us understand how science works, but from different viewpoints. ...
Names do matter, because what they refer to are different things. Sloppy language = sloppy thinking. If you need to increase the volume of water, then...
Here's an interim chart for the last week, with key events added (CC3->CC1 is the secondary circulating pump setting):
I should add that there is another problem we have been trying to solve, so far without success, the question of how much setbacks (eg an overnight se...
It is the problem we were trying to solve, we being largely but by no means exclusively @jamespa and me. As JP has already mentioned, he has a backgro...
@bobtskutter - you may not have seen them (and why should you!), but we have at various times discussed using empirical methods of determining heat lo...
As you haven't specified which correlation method you have used (a number exist), I assume you have used Pearson's correlation coefficient (which is r...
@iantelescope - I think you are still confused about the difference between a volumiser and a buffer tank. Take this from the MCS guidance you posted:...
@jamespa - I think it also applies to an informal DIY assessment, that's why I am stating it here, because it may not be immediately obvious to everyo...
Latest Posts
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I think it is a bug in the code, it comes on even when ...
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@ashp-bobba wish you lived closer to Wiltshire! My inst...
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RE: COP is not the only measure of efficiency
@jamespetts Interesting post, thanks. Here are my thou...
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RE: Who’s Caved and Switched the Heating On Already?
@editor So… who’s given in and turned the heating on al...
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RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
I am pleased to say at 4pm today we have added another ...
By ASHP-BOBBA , 9 hours ago
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RE: Buffers, hot water and cooling
@jamespa Your reasonably close! Especially with warmer ...
By dgclimatecontrol , 10 hours ago
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RE: Renewables & Heat Pumps in the News
To unpack this a little.... 1) how many of us in this...
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RE: Vaillant aroTherm Plus 10kW thoughts?
@realevil the fans and fan speed / coil size (height, w...
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
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RE: 300 Liter Tank - Do I have to heat it all?
The size of DHW tank affects the anti-legionella cycle....
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
@scalextrix Name plate capacity
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RE: Solar Thermal DHW and ASHP
I was originally contemplating a solar thermal installa...
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RE: Solar Power Output – Let’s Compare Generation Figures
My system installed in July 2024 has produced 6.4mWh in...
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
@judith thanks for your suggestions. Starting from col...
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RE: Inventor (Midea) Heat Pump short cycling advice
I switched to "fan coil mode" to be able to set water t...
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RE: DESNZ doing a survey which asks the right questions!
Without a survey their only source of data is probably ...
By JamesPa , 3 days ago
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RE: Can you help with our research: solar panels, EV chargers, home batteries, heat pumps?
Just done your survey!
By Judith , 3 days ago
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RE: Failing heat pump system - seeking thoughts on a rebuild
@cleardene-ashp just thinking about your issues here. Y...
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