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Last seen: Oct 25, 2026
@hughf Is the second assertion (R290 = Less efficient) actually true? Here are extracts from the spec sheets for Mitsubishi R32 and Vaillant R290,...
I think the problem OP has is that some rooms get too hot while others remain cold. My assumption is that the solar gain doesn't happen every...
My initial reactions are this. I don't know where you are in the country but 14kW is quite high for 240sq m suggesting some insulation might hel...
According to heat geek 10mm is good for 1.1kW at DT 5. The heat geek figures are for copper I think, plastic will be a bit less (bit there again you...
Therein lies the problem. I would ask them questions about the system they insist on before paying for the survey. Or just tell them you won't accep...
I think I would go for the installer that doesn't want to Fit a unit that is far too big (I agree 12kW is well oversized, based on the very limi...
Correct It would be better to connect the radiator return to top right, leave the ASHP return bottom left, then plug the remaining two ports. Th...
Having read your follow up question and the answer from @derek-m , it suggests you follow the route which both @derek-m and I suggested. Replumb buff...
I think where we are at is that a buffer tank can be made to work (but it's by no means guaranteed that it will have been set up properly) but its not...
Maybe not on a mainstream channel! Perhaps 5 minutes on rip-off Britain.
I confess I see the HT heat pump question is a bit of a side issue. The question really is, do 'lt' heat pumps have any advantages ove HT ones. The ...
Interesting. Is the research which led to this sponsored by the fossil fuel industry I wonder? Obviously we all need the facts, but there is a big w...
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Degrees of Separation
Latest Posts
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@susannasaunders I can help you with some of the fun...
By Rob of York , 2 hours ago
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RE: How will removing the standing charge on gas bills benefit heat pumps?
The BUS grant funding for 2026/27 will run out at the c...
By Rob of York , 6 hours ago
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RE: New Build 3 Phase or 1Phase
Not so any more.... 1: It's now the...
By Transparent , 20 hours ago
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@editor Ouch, sorry to re start the tick. I had assume...
By DavidB , 2 days 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 , 2 days 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 , 3 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: 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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