Last seen: Aug 4, 2025
@william1066 It will be great to see the results.
@william1066 This is exactly what I would expect to see, your required flow temperature for under floor is very high, the switch on frequency is very ...
The Samsung pulse width modulation output does not work at flow temperatures below 45 Deg C, why? It is anybody’s guess.
@gshpwoes Unfortunately, from looking at the pictures, and the components used, you more than likely have a serious flow issue.
@gshpwoes Cold radiators, you more than likely have a flow problem, unfortunately it sounds like the system is micro-zoned and more than likely has a ...
@JamesPa, I wrote the original text and did the original analysis to show that high temperature heat pumps are not the panacea they are portrayed to b...
@bontwoody mmmm theory is a wonderful thing, but rarely follows through in to practice. You are only looking at a very small piece of the puzzle. Unli...
@bontwoody it is easy to get SPF's above 5 in ANY house, including old draughty solid stone buildings, I have hundreds to prove it. Get the design and...
@bontwoody and @william1066 No problem if you are happy with an SCOP of 3 instead of 5 or 6.
@bontwoody I agree, but the fundamentals of design and sizing for best performance requires experience and knowledge. A DIY installation, may work bet...
@crimson You do not stand a chance of getting any reasonable performance with your current system design, regardless of heat pump installed. You have ...
Latest Posts
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RE: Planning Permission May 2025
Where does it state this please? Im genuinely interest...
By JamesPa , 2 hours ago
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RE: ASHP heat output monitoring
@carlo - not much better, is it. It looks more like a u...
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RE: Octopus Cosy & Octopus EV + bidirectional smart tariff, together. What, eh?
Agree. To me it misses the obvious fit namely 'se...
By JamesPa , 6 hours ago
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RE: Renewables & Heat Pumps in the News
this document extensively describes (in a non-blame, ne...
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RE: Ecodan - Legionella Operation Time and Target Temperature
Once the white plastic cap is removed, my immersion loo...
By Old_Scientist , 1 day ago
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RE: Replacing Refrigerant on Mitsubishi Heat Pump
@dgclimatecontrol I don't know, but they were not happy...
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RE: Why do we need pressurised systems?
A good question @toodles. My old open thermal store and...
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RE: 300 Liter Tank - Do I have to heat it all?
Cross references for @martingale Background discussi...
By Transparent , 2 days ago
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@ecobaker May I ask a question of you please. I too hav...
By Papahuhu , 2 days ago
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RE: Share Your Experiences with Heat Pump Manufacturer Support
@terry1812 Oh Good! Pleased to help if I can! Regards, ...
By Toodles , 2 days ago
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It's unclear to me how the Smart Control project work b...
By Transparent , 2 days ago
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RE: Have Consumers Been Lied to About the Efficiency of Heat Pumps Made in China?
@pavel, this isn't about discrediting Chinese products....
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RE: Solar Power Output – Let’s Compare Generation Figures
We had an excellent four months (11/3 to 15/7) generati...
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RE: Is this just haze or something more?
I think the present somewhat cooler hazy days show the ...
By Judith , 5 days ago
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RE: My misgivings about installing ASHP and solar panels via the ECO4 scheme...
All noted and accepted and as I say I am sorry that you...
By JamesPa , 5 days ago
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I think it is very much me that is sitting outside the ...
By Grantmethestrength , 5 days ago
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RE: Who's your electricity provider and what's your tariff?
Aggregators have been recognised for many years, and it...
By Transparent , 6 days ago
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RE: Help me keep the faith with my air source heat pump installation
Great news I edited my previous post (probably af...
By JamesPa , 6 days ago
