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Last seen: Oct 1, 2025
@davidalgarve 🤣 🤣 🤣 Save the confusion and just take it out. In this case, amputation is best.
@jamespa You are correct. Not much of what I say, is mentioned elseware. I follow facts and evidence, not the herd 😊 If the system was entir...
@jamespa Just to start, I want to say, I have never installed a buffer, low loss header, or volumize on any system and I have installed nearly 1000 he...
Hi @nickhorne For your, and others benifit, I will reproduce part of some training I have written, It explauns quite clearly what is happening within ...
@jamespa I would have thought you can get a pretty good idea from vintage and flow temperature, almost certainly good enough to act as a sense check f...
I am talking about the 900+ installations I personally have done over the last 15 years, not a single one cold and all with SCOP's between 4 and 5. I ...
@jamespa There are many theories that may or may not help with heat loss, however, in reality, in a new build property, it is irrelevant as 80-85% of ...
@majordennisbloodnok Everything we do is about assumptions, we do not have x-ray eyes that will expose the failures of the building industry, so accur...
🤣 🤣 I have only put in over 900 heat pumps, so what do I know 😊
@Jancold Your kitchen would not have been cold, 18 degrees C is the temperature kitchens should be designed to because there are significant amounts...
@jamespa I agree wholehatedly.
@jamespa I agree with nearly everything you have said. However, today heating systems are critically undercharged for if you take inflation in to acco...
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Degrees of Separation
Latest Posts
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I think the mystery is in the first question; the senso...
By GutoFfowc , 42 minutes ago
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RE: Siting of the external sensor on a heatpump
My Octopus electrician (part of the installer team) not...
By Jancold , 2 hours 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 hours ago
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RE: Is it the house or the equipment?
@springswood We have two Daikin single split A2A syst...
By Rob of York , 3 hours ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
You should (almost) always reject having a buffer, by w...
By JamesPa , 1 day 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 , 1 day ago
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No, but the heat pump must be capable of delivering a S...
By JamesPa , 1 day 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 , 2 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 , 2 days ago
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RE: Vaillant Arotherm Plus 7KW need a service on it
booked it with Vaillant. will use them until i can find...
By AdamK , 2 days ago
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RE: Adventures in heat loss calculations
I have seen it stated that the declared calorific value...
By JamesPa , 2 days ago
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RE: Two heating zones to one zone
@transparent Many thanks. The garage is fairly well ...
By Profzarkov , 3 days ago
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RE: Vaillant Aurotherm - Heater Wire Position
Ah, good point. I need to check if this was installed i...
By Batpred , 3 days ago
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@batpred thanks for getting a copy. Appreciate the supp...
By Mars , 4 days ago



