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Last seen: Oct 24, 2026
My property is 200sq m. Two MCS surveys each taking 3hrs came out at 16kW. They ignored fabric upgrades I told them about and double counted room to...
As an example I checked the specs for the 6kW R32 (medium temp) and R290 (HT) Ecodans. They have the same claimed scop at 55C. Obviously there wil...
This is an interesting statement. It suggests your current total emitter capacity is well in excess of demand. So by switching on more emitters you ...
I'm not sure that's strictly true. What is true is that its more expensive to run a heat pump at a higher flow temp than at a lower flow temperature,...
I lived in Cambridge for a while. That wind from Siberia really got to me.
Exactly. Hall, stairs and landing are just another room, like any other.
As you say that will almost certainly be the case with an 'older' (low or medium temp) Samsung model, but possibly not with the HT models. Vaillant,...
Which model Samsung. if its an older one and the max FT is 55, which is quite possible, then its equally possible that the DHW is limited to 55-5=50....
Nothing wrong with a bit of thermal mass unless you want to keep varying the indoor temperature, which is not generally how you aim to run a heat pump...
Maybe. Radiators can 'start off' well oversized, particularly if the fabric has been improved (although that appears not to be the case here). We ne...
Not sure where to start with this so I will start with basics. Apologies if you already know this. Heat pumps work best at the lowest possible ...
That attitude isn't unique to heat pumps, many tradesmen exhibit it. The number of times I have either been told that it's 'complex' or simply given ...
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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 , 9 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 , 16 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 , 4 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 , 4 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 , 4 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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