Last seen: Apr 3, 2025
@rhh2348 Let me try to explain. We move heat with water, water will only hold a certain amount of heat (4,200 Joules per kilogram per degree Cel...
@rhh2348 Answers to your questions. Seriously considering doing this. I think I understand the benefits (mainly, the ASHP works much better wit...
Thank you @editor and @judith \we have made contact.
@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 😊
Latest Posts
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just trying to roughly get an idea what price an instal...
By AdamK , 23 minutes ago
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RE: Help with understanding my Mitsubishi Ecodan air source heat pump
Welcome to the forum@patch and well done for your under...
By Judith , 4 hours ago
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RE: Air Source Heat Pump - Side Alley Suitability
@jamespa I used an assumed indoor temperature of 18C. I...
By Ad3628 , 6 hours ago
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RE: ASHP Ecodan L9 error - No Heating but Hot Water
That’s interesting, but obviously concerning also…. Do ...
By SUNandAIR , 7 hours ago
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RE: In the middle of an ASHP installation - a few questions (and issues)
Thank you @robs - that very useful data. The issue wa...
By Transparent , 10 hours ago
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RE: The Rise and Fall of Europe’s Most Generous Green Subsidy
@editor Attached images of external insulation. Think...
By Dwynwen , 16 hours ago
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RE: Hitachi Yutaki SCombi Heat Pump - Thermal Off's
@trebor12345 The Auto function is supposed to adapt au...
By Heatgeek , 1 day ago
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RE: The Great British Heat Pump Quiz
@allyfish thanks for the feedback and glad it was fun! ...
By Mars , 1 day ago
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RE: help sizing rads based on room by room heat loss
If its 1988W at DT 50, which is how most radiators are ...
By JamesPa , 2 days ago
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RE: Career change – entering the world of heating and heat pumps
@editor Mars, thank you. That's along the routes I was ...
By Lakey , 2 days ago
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@editor thanks Mars, it's a rare occasion I'm looking f...
By big_si , 2 days ago
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RE: Efficiency Concerns on newly installed Mitsubishi Ecodan 8.5kW
@ashp-bobba and @jamespa - thank you both for all your ...
By CBrenewable , 2 days ago
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Win one of five "Heat Pumps 101" Courses
Heat pumps are gaining traction in the UK, but between ...
By Mars , 2 days ago
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RE: Agile: average import cost vs other tariffs?
@toodles thanks for the analysis. I'll be really intere...
By Old_Scientist , 3 days ago
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RE: Is this normal? Click of the DHW returning to space heating
@grantmethestrength Oh sorry to hear that, there should...
By ASHP-BOBBA , 3 days ago
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@ashp-bobba TBH the ladies are rather disorganised, so ...
By Cathyem1 , 3 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
And for those of us without an automatic irrigation sys...
By Majordennisbloodnok , 3 days ago
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Logically, the lower frequency = more gentle, yes, but ...
By SUNandAIR , 4 days ago
