Last seen: Aug 1, 2025
I don't have much concrete evidence but The only way to explain the discrepancy between my calculated and actual heat loss is to assume ach =0.5 i...
In addition to the above oversizing means you are likely to be running the compressor at an inefficient point on it's modulation curve for much of the...
I don't disagree for a minute with some of the sentiments about gas prices vs electricity etc but, to add some balance to the argument: My heat pump...
If your statement were 'WC doesn't work in your house' then it might be true. As it stands, apparently intended to be generally and widely applicable...
Very well said. When people complain about 'the council's or 'the government' I've taken to asking them 'so what would you do instead then?'. Mostl...
I find it faintly amusing that nobody ever worries about a heat pump cycling more or less continuously when it's their fridge, but gets extremely conc...
You are right that the lag from when the heating controller responds to when the house responds is of course the same whether the controller responds ...
This is how I would set it up Firstly a WC curve tuned to house. Start at 20 Deg outside and min flow temp of heat pump 20 or 25. End point at your...
That's fair enough, I did say that there are exceptions (I think the only significant ones may be wind and solar gain) and there is no perfect solutio...
Because of the lag in response. Simple as that. Look to control theory to explain why this is a problem. If your house has the thermal characterist...
I'm answer to all of that, my house is much more stable run on pure WC than it ever was on a temperature sensor (with a boiler or a heat pump). This ...
On what do you base that assertion please? There are plenty of people on this forum running on pure wc achieving comfortable and stable house temper...
Latest Posts
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OK... I'm here. But the amount of my time needed to add...
By Transparent , 1 hour ago
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RE: 300 Liter Tank - Do I have to heat it all?
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RE: Solar Power Output – Let’s Compare Generation Figures
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RE: Is this just haze or something more?
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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: Replacing Refrigerant on Mitsubishi Heat Pump
@davidalgarve It should just be recovered by both servi...
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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...
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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...
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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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RE: Fitting new shower valve ..........
I’ve never taken a chance when fiddling and changing ou...
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You should contact the council and report the unsatisfa...
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RE: Benefits of an extra horizontal loop for GSHP
I would deffo install an additional slinky run, especia...
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RE: Say hello and introduce yourself
@editor fab - thanks Mars, and keep up the great work o...
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RE: Compressor and Evaporator Stratification
@trebor12345 So I think the 1st zigzag section shows so...
By ASHP-BOBBA , 5 days ago
