
Last seen: Sep 13, 2025
@scrchngwsl - very interesting, and very useful, to have an analysis done using a different approach that still nonetheless starts with the observed d...
Covered in my recent post (I'm not sure, don't have enough detailed data, but on balance, it looks random, but I don't know for certain). If/when I ha...
Will you please stop making insinuations that have no basis in fact. I have released all the all the raw/actual data for December in the zip file I po...
@derek-m - broadly, I think you have got it, apart from this paragraph: I am not sure where that comes from or what it does. Boiled down to its...
@iancalderbank - thanks - looking at the chart for days with minimal hot water use, it is almost always 10 degree drop per 24 hours, so I suppose with...
I agree, it does seem high, and I get reminded every time I see the DHW tank temp chart. It's the fairly common I think Telford Tempest Heat Pump mode...
Me too, but I fear it is a fact of life that modern DHW tanks aren't in fact that well insulated. Mine drops most days by about ten degrees, from 50 d...
On a positive note, something of a breakthrough on the energy in calculations, and the need for a 1.18 correction factor. Against expectations based o...
I do understand, and your thoughts are also very much in my mind. I have tried to operate restraint, but in my defence, I do have to say that within...
Well, that's all good then, it means you understand the effect you have on people. But I still don't understand why you don't want to verify (or oth...
Given your low confidence in and derision for my data, my calculations, my charting and my interpretations, I think it is best if I give you the raw d...
This is an extremely interesting idea, and the fitting of computer fans is well within my DIY capabilities. Being low voltage, they would be easy to s...
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RE: Who’s Caved and Switched the Heating On Already?
I have 3 women in the house, 2 little ones, so my heati...
By DREI , 24 minutes ago
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For the Heat Pump, back in 2023 I only managed...
By DREI , 37 minutes ago
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@damon thanks. I will do as you suggest. Hopefully I wi...
By bontwoody , 59 minutes ago
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
Sure I get it but I was going off topic, kinda, but not...
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RE: Help me keep the faith with my air source heat pump installation
OK. Could you post a recording. You may just hear the...
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Much of that is true in principle, but its not likely t...
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@dgclimatecontrol I attach the responses from 2 potenti...
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RE: Midea ASHP – how to set weather compensation
Mostly, I think, but with some caveats. I set the TI...
By cathodeRay , 1 day ago
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 2 days ago
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RE: Failing heat pump system - seeking thoughts on a rebuild
I realise im overdue an update on my situation. first...
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RE: Replacing Worcester oil boiler with an ASHP
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RE: What crazy nonsense are inverter limits and why are they imposed?
A week later, I'm finally picking up this comment... ...
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RE: COP is not the only measure of efficiency
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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 , 3 days 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: Anyone still weathering it out with Agile?
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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....
By Transparent , 4 days ago