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Last seen: Aug 27, 2026
Thank you Mars, I accept that a LLH may affect the efficiency of the overall efficiency - but how can the average individual who has a system installe...
@editor Thank you Mars, I use Larger Text as my default anyway but I am also trying to remember to use the Safari ‘AA’ feature once on a page and read...
@iancalderbank Thank you Ian, I have attempted to tweak the pump as close to ‘just slower than the average speed of the primary pump; and will content...
@bontwoody Sounds as though someone is speaking through their headwear to me! The normal arrangement is that DHW heating cycles are achieved by the th...
Just thought that a little cheerier results might be welcomed; this is today’s performance with an OAT of 10 degrees C. We have gone from approx 1.75 ...
And just one more thing please Mars, please could you re-instate the text size option in the reply pane as at the moment, there is only the (to me at ...
@derek-m I suppose that accuracy of the measuring of ambient temoerature in the locale of the heat pump will partially depend upon the frequency of th...
@editor Hello Editor, Yes! I think it is, thank you! Regards, Toodles.
I’ve done my best as my sight allows for now, may I suggest Togfather that you look at section 8 on configuration where you will find mention of the b...
Just found this link for the manual in case it helps you.
@iancalderbank I have just looked in the Daikin Installer’s Manual and I am attaching a screen grab of the relevant part of a page about pump volume. ...
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Latest Posts
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Hi, sorry that I have been absent for a while. I'd like...
By baroquebank , 1 hour ago
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RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
@penval, really useful update. After all the discussion...
By Mars , 5 hours ago
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RE: Who's your electricity provider and what's your tariff?
@papahuhu I prefer to look at it simplistically. We d...
By Old_Scientist , 1 day ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
D'oh - of course. I shouldn't post before my brain is f...
By Old_Scientist , 1 day ago
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RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 1 day ago
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RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Nothing attached! I have rads but UFH makes the case ...
By JamesPa , 1 day ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 1 day ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 2 days ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 2 days ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 3 days ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 3 days ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 4 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 4 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 5 days ago



