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Last seen: Oct 24, 2026
@technogeek I have a couple of comments/questions Buffers can a) increase the engaged system volume, which may reduce cycling time (because...
Fair enough. There is an exception to every rule of course (I said 'in general terms'), which is why heat pump systems (and central heating in genera...
My understanding is that it uses the WC settings as a starting point. Exactly what it does from there and whether it 'times out' any measured modific...
er dont you just need a smart meter which I think your energy supplier can arrange to have fitted within 14-28 days. That's all I have, and I can bo...
Turning the room stat (and all or most TRVs) up to (say) 2C above the desired temperature, and adjusting the flow temperature (via the WC curve) to th...
@iantelescope since you address me directly I will reply directly. I'm not sure what you think I don't understand, nor what you think we don't agree ...
Fair enough. Perhaps both @derek-m and I should have said 'I would suggest that you don't get too hung up on flow rate, provided of course its not so...
Any 'old' thermostat does this, its only more recent ones that try to be more sophisticated, in a way wholly unhelpful to heat pumps. But the real s...
Absolutely. To control house temperature vary the flow temperature (using weather compensation), don't turn the heat pump on/off. The latter simply ...
Agreed and I wasn't trying to suggest otherwise. The point I was trying to emphasise is that, as you have shown experimentally, a heat pump which i...
... which is essentially the problem, the HP should control the HP! & the bold bit solves the problem more or less. Essentially the Honeywel...
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Degrees of Separation
Latest Posts
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RE: New Build 3 Phase or 1Phase
Not so. 1: It's now the case that the Service Fuse wi...
By Transparent , 6 hours ago
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RE: How will removing the standing charge on gas bills benefit heat pumps?
I think it has an enormous impact on air/air users. The...
By EtchedPixels , 13 hours ago
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@editor Ouch, sorry to re start the tick. I had assume...
By DavidB , 1 day ago
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RE: Say hello and introduce yourself
@e-a-west as the good Major said, welcome to the forums...
By Mars , 1 day ago
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RE: How much of your renewable and home setup would still work if the internet went down?
Yes I actually have a copy of a tool that whenever a ce...
By EtchedPixels , 2 days ago
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RE: Indevolt Batteries UK Support & Info Thread
@editor Hi, To resolve this, please tap on the A...
By Indevolt Tech , 2 days ago
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RE: Double or Triple Glazed Windows?
Posted by: @singlespeed With 9 years repairing windo...
By Rob of York , 3 days ago
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@transparent we’re still running a secure version of PH...
By Mars , 3 days ago
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RE: How quickly would you want/expect heat recovery to take from setback?
Much longer than that here. The heating isn't even on. ...
By bobflux , 3 days ago
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RE: Passiv Smart Thermostat - Help & Forum Support
Obviously the weather is changeable but there's a defin...
By Singlespeed , 3 days ago
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@rob-of-york I must admit that when we had a Daikin hea...
By Toodles , 3 days ago
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RE: Forum updates, announcements & issues
Get the Renewable Heating Hub heads-up on WhatsApp. I...
By Mars , 4 days ago
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RE: Safety study for plug in batteries out to tender - looks like Q3 2027 at best before legal
@editor I pointed out to the one of the Fuse execs that...
By dansus , 4 days ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews As well as loft insulation, there are othe...
By Rob of York , 4 days ago
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