
Last seen: Aug 5, 2025
See my rant here!
Another major bit of misinformation. Within reason, any building can have a heat pump. You just have to accept (as I did) that old leaky buildings wil...
But isn't that what defrost cycles are for, which are not the same thing as a freeze stat (which from what others have said, kicks in when the circula...
I am probably the only one, but I find all this stuff about freeze stats confusing. In normal but cold conditions, surely a heat pump will be running ...
Correct. This was a known compromise at the design stage: having a small old listed cottage, with low ceilings and in particular low window sill heigh...
Thanks for the clarification. I think my (S)COP is between 3.0 and 3.5. I have two ways of getting the COP: via the Midea app/LAN (midea_ac_lan), whic...
There is energy in (what the heat source uses) and energy out (what the heat source delivers to the house). My 'paradox' was that the energy in was ab...
Very possibly, but the key and only point I am trying to make is that installing a heat pump may leave you with no choice, if you want to stay reasona...
Correct (apart from "Over a set 24hr period the kWh INPUT must equal the kWh LOST regardless." which I suggest only applies in steady state conditions...
@bontwoody and @toodles - I am not comparing apples with rabbits or bananas with boomerangs for that matter, just making a simple point that, as I hav...
At the risk of sounding like a stuck record, this is is so important, that it bears repeating. In raw terms, heat pumps are about three times more e...
I think that sounds like a good empirical approach, but I am not sure my old oil boiler could be controlled to that extent, ie a low flow temp, as it ...
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RE: Why do we need pressurised systems?
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RE: 300 Liter Tank - Do I have to heat it all?
Cross references for @martingale Background discussi...
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RE: ASHP heat output monitoring
Thanks. It may be just Vaillant, not Grant, I just had ...
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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...
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RE: Is this just haze or something more?
I think the present somewhat cooler hazy days show the ...
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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...
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I think it is very much me that is sitting outside the ...
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RE: Who's your electricity provider and what's your tariff?
Aggregators have been recognised for many years, and it...
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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...
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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...
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