Last seen: Aug 5, 2025
Fair enough and very believable. I was responding to a comment which seemed to be suggesting that their use should be somehow restricted by regulatio...
Not so sure about that. Points 3-4 are on a constant (refrigerant) temperature line, which you can see because refrigerant temperature is on the diag...
Id go for a definite maybe. The question was about balancing. If you adjust the flow overall down on a system where the radiators are balanced then a...
The Telegraph teasers are in one sense baffling and in another sense easy to understand. Most people only look at the teasers and of course they have...
I honestly dont know. Mitsubishi seem to have a fairly similar modulation ratio, but those pumps are, I think, also constant flow (like Vaillant the ...
Really - thats terrible. If it cant be changed in the UI its a very good argument not to buy a Samsung Gen 6 heat pump!
Sensible. After you have done that perhaps consider what is triggering reheat. It looks like its DHW tank temperature alone not a timer plus DHW t...
Unfortunately the UK is a small market, we are essentially reliant on the EU (where of course we no longer have a seat) to implement the manufacturing...
It looks like Eco mode may have tamed the DHW curve a bit (see below), but a COP of .87 is less than 1 and you would be better off heating on the imme...
Indeed. Its weird at first but you get used to it and actually it is more comfortable because the temperature gradients are less. There is a school...
So I have been thinking about this and trying to rationalise it with three other things namely (a) the Carnot equation which means that COP reduces ...
This sounds like a problem that might be fixed, or certainly improved, with a bit of optimisation of the set up if you are prepared to provide some mo...
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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 hour ago
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RE: Replacing Refrigerant on Mitsubishi Heat Pump
@dgclimatecontrol I don't know, but they were not happy...
By DavidAlgarve , 2 hours ago
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RE: Octopus Cosy & Octopus EV + bidirectional smart tariff, together. What, eh?
The current FAQ says it's not compatible with existing ...
By Old_Scientist , 2 hours ago
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RE: Why do we need pressurised systems?
A good question @toodles. My old open thermal store and...
By AllyFish , 4 hours ago
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RE: 300 Liter Tank - Do I have to heat it all?
Cross references for @martingale Background discussi...
By Transparent , 18 hours ago
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RE: ASHP heat output monitoring
Thanks. It may be just Vaillant, not Grant, I just had ...
By cathodeRay , 19 hours 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 , 1 day ago
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It's unclear to me how the Smart Control project work b...
By Transparent , 1 day 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....
By Mars , 1 day ago
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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...
By JulianC , 4 days ago
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RE: Is this just haze or something more?
I think the present somewhat cooler hazy days show the ...
By Judith , 4 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 , 4 days ago
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I think it is very much me that is sitting outside the ...
By Grantmethestrength , 4 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 , 5 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 , 5 days ago
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RE: Double or Triple Glazed Windows?
@toodles Glad to hear things are progressing well for y...
By TRBob , 5 days ago
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How to waste energy (and time) playing with AI.
A friend of mine who subscribes to an AI service was ex...
By Toodles , 6 days ago
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RE: Heat Pump Books For Beginners – Bodge Buster & From Zero To Heat Pump Hero
@topher you’re more than welcome to, yes. I’ll send you...
By Mars , 7 days ago