Last seen: Dec 14, 2025
Our house has a solid concrete floor cavity walls with old foam insulation and 300mm of insulation in the roof. It’s 190m2in area and 1950s build. The...
I’m not as expert as James but we have Vaillant and are happy with the heat level and wince a bit at the cost when it’s this cold So you ought to be...
While you are pulling the data together that James needs to help you should also download the MyValliant app. It tells you a lot about your system you...
Yes compulsory 3 phase in New Homes Standard is best!
I read this thread since I wanted to know what a reverse ferret was! Please assist. I totally agree with @transparent recommendation of (I assume) f...
an update now the weather is much colder and we lost the concept of solar gain months back. We gradually had to increase the curve to 0.65 to compensa...
@johnnyb that’s very interesting to read!
On this forum with advanced monitoring available a Mitsubishi user whose pump was oversized recommended the cloud based auto-adaptation function to im...
I agreed with your approach on the other thread and so pulling out the general case is a better way of capturing it.
I feel the best first question after establishing that a heat pump is over-sized (even massively so say 3x) is does that affect efficiency? John Can...
it’s much more efficient to run a heat pump continuously but for everyone in the end it’s about money. So if you were able to run only on the cosy che...
@iraknic have you established that you can hear your system? Ours is very much quieter than the old gas fired boiler, no radiator creaking for example...
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RE: Who's your electricity provider and what's your tariff?
The Next export tarrif was fixed for 12 months so until...
By JamesPa , 2 hours ago
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RE: Advice on internal circulation pump noise
Three things that caused noise in my system after commi...
By RadWhisperer , 4 hours ago
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Agree with @majordennisbloodnok on the setbacks. We hav...
By ChandyKris , 12 hours ago
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RE: Heat Pump Heats the House… But It’s Not Cosy. Emitter Changes or System Tweak?
A quick Google search showed that building regulations ...
By GrahamF , 13 hours ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@agentgeorge I first heard (read) about it on FB this m...
By AndrewJ , 13 hours ago
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RE: New Fogstar 15.5kWh upright solution
It is a matter of luck. 2ith Fogstar "instructions", to...
By Batpred , 13 hours ago
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RE: Speedcomfort radiator fans
@deltona the way the links were added broke the page. A...
By Mars , 13 hours ago
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RE: Setback savings - fact or fiction?
I agree! Even more so if we get an answer! But the chal...
By cathodeRay , 15 hours ago
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RE: Refrigerant R32, is it now banned in the EU from 1st Jan 2027 for monobloc ASHPs?
This has been delayed from what I believe to be this ye...
By dgclimatecontrol , 18 hours ago
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RE: Are We Sleepwalking Into Another Race to the Bottom?
this is why I provided current flow temperatures in the...
By ksim , 19 hours ago
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RE: Why Millions of UK Homes Struggle With Heat Pumps
There's many homes that would be quite a disruption for...
By dgclimatecontrol , 19 hours ago
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RE: Ecodan unable to hit legionella target temp - what's the consensus?
@rhh2348 ...maybe this option is what you want? Alter...
By benson , 19 hours ago
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RE: Free Ecoheat Heat Pump Install
@old_scientist This does make the unit smaller as the b...
By dgclimatecontrol , 20 hours ago
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RE: Ecodan - Legionella Operation Time and Target Temperature
@old_scientist hiya mate, did you ever get to the botto...
By 9jwr9 , 1 day ago
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RE: Configuring third party dongle for Ecodan local control
@majordennisbloodnok I think the HPDHD diagnosis may be...
By Sheriff Fatman , 2 days ago
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RE: External pipework insulation
I don't think we can tell from a photo whether your exi...
By Transparent , 2 days ago
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RE: Controlling Daikin Altherma via P1P2 and Home Assistant
@majordennisbloodnok That’s correct. I can’t find anywh...
By weoleyric , 2 days ago
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RE: A Smarter Smart Controller from Homely?
@papahuhu I hope you get a swift resolution. Regards, T...
By Toodles , 3 days ago

