
Last seen: Aug 1, 2025
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...
I'm curious who you think are the reluctant ears. Certainly not me, and if you do think i am one of the people you refer to, then you are misundersta...
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Latest Posts
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If you don't need your trvs (and you shouldnt) you can...
By JamesPa , 1 hour ago
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RE: My misgivings about installing ASHP and solar panels via the ECO4 scheme...
@dwynwen, I’m honestly lost for words. What you’ve been...
By Mars , 1 hour ago
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RE: Replacing Refrigerant on Mitsubishi Heat Pump
@davidalgarve It should just be recovered by both servi...
By dgclimatecontrol , 17 hours 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 , 18 hours 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 , 21 hours ago
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RE: Double or Triple Glazed Windows?
@toodles Glad to hear things are progressing well for y...
By TRBob , 22 hours ago
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RE: 300 Liter Tank - Do I have to heat it all?
I agree with @morgan. You can turn down the target t...
By JamesPa , 24 hours 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 , 2 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 , 2 days ago
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RE: Fitting new shower valve ..........
I’ve never taken a chance when fiddling and changing ou...
By Mars , 2 days ago
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You should contact the council and report the unsatisfa...
By JamesPa , 3 days ago
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RE: Benefits of an extra horizontal loop for GSHP
I would deffo install an additional slinky run, especia...
By Transparent , 3 days ago
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RE: Say hello and introduce yourself
@editor fab - thanks Mars, and keep up the great work o...
By normpang , 3 days ago
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RE: Compressor and Evaporator Stratification
@trebor12345 So I think the 1st zigzag section shows so...
By ASHP-BOBBA , 4 days ago
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RE: Is this just haze or something more?
@majordennisbloodnok I was giving a talk to primary sch...
By Toodles , 4 days ago
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RE: Tesla Powerwall – More of a ‘Luxury’ Than an ROI Winner!
We had our Tesla Powerwall 3 (and Gateway) installed ea...
By Old_Scientist , 4 days ago
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Indeed. With a battery its presumably the battery con...
By JamesPa , 4 days ago
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RE: No-code, plug-and-play monitoring for your heat pump
To update an ESP device using ESPHome in Home Assistant...
By Grantmethestrength , 5 days ago