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Last seen: Sep 15, 2026
Indeed it is, albeit modified a bit to take into account human factors as best we can. The fact you can live with it is great, but in terms of the sc...
OK so the plots I am interested in comparing are and Before we take this any further a 2.5C 24hr average IAT difference is l...
That was my understanding also.
That would be abnormal but I cant see from your charts that its doing that. The first chart looks like roughly hourly cycles, the second a single cyc...
If the system loses more through the radiators the house will get warmer. Is that what you want? If you do want this then you will need to increase ...
Oh I remember this from when I set mine up 2 years ago, same problem, big mystery. Solved eventually by changing the time zone on the app to someth...
@cathoderay these look excellent (and interesting), I will crunch some numbers in the next day or so unless some beats me to it.
Heat geek have already stated that the pro is in fact cheaper!
I think the first graph is the same as one you posted earlier? Subtracting one regression line from the other at any given OAT then dividing by the v...
@batpred ask them to itemise the basic instal pack!
So the 'nice' may well limit you to a small subset of heat pumps unless you want everything other than the highest to be on/off control on (built in) ...
er why? 15mm is good for about 3kW at DT5. Larger rooms in a typical 5-8kW house will need 1kW+ each but not smaller rooms. This is just being laz...
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Degrees of Separation
Latest Posts
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We kept ours and Heat Geek would have been in touch if ...
By Batpred , 2 hours ago
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RE: Who's your electricity provider and what's your tariff?
Hope you are hearing from a good source? Call me old ...
By Batpred , 3 hours ago
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RE: Missing flow temperature in Heat Geek proposal
The Heat geek contract had various get-out clauses with...
By Batpred , 4 hours ago
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RE: Why are ASHP installs so expensive?
It seems a quite comprehensive breakdown. I will try to...
By Batpred , 4 hours ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s I would encourage you to have a conversation ...
By Rob of York , 10 hours ago
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RE: Is it the house or the equipment?
Thanks @jamespa The last hard to fix draughts in the...
By springswood , 12 hours ago
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RE: Vaillant Arotherm – Using Heating
@l8again Mine is typically using 11w including the i...
By Batpred , 14 hours ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
If you have a flowmeter and two temperature probes, the...
By bobflux , 22 hours ago
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RE: Siting of the external sensor on a heatpump
@jamespa Absolutely. Even if the same mistake was mad...
By Batpred , 1 day ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
In fairness all heating has cost a lot to run in recent...
By JamesPa , 2 days ago
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RE: Navigating the World of Refrigerants In Heat Pumps: A Guide for Homeowners
Indeed we are invvestigating AC at present and are havi...
By Toodles , 3 days ago
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RE: Daikin ESPAltherma and Home Assistant installation
It's laziness lol The PV system is very chatty, meter...
By bobflux , 4 days ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
R (The R Project for Statistical Computing, I use it wi...
By cathodeRay , 4 days ago
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