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Last seen: Oct 30, 2026
A tank solely in the return (upstream of where the return from the DHW joins so that it is not engaged during a DHW run) will do no harm but as you sa...
Well yes, but thats a level of complexity thats a nice to have not essential, so expecting regulation to mandate that it can be cloud independent is s...
Is there actually any example of something that doesn't meet the spec you outline? Whatever the answer I agree it's not reasonable, but that's how c...
Fully agreed and there is an alternative which for many will be better, namely to use the native controllers. I don't have a battery but I do have PV...
So the red bars are 'DHW' and the yellow bars 'heating', corresponding to the colours at the bottom. This shows 1kWh for 'DHW' per day and perhaps 0....
Thats really helpful real world experience. By 'well designed' do you mean the same 'well designed' that gives good performance, plus filter(s) or ...
Have you tried cutting the grid feed to see what actually happens? Im still confused as to how it can island and be compliant with the regs, which is...
Critics and naysayers will be negative whatever the government says or does. Its both tiring and depressing. For many of them this is just part of t...
What a surprise! If there is an opportunity to defraud another human, someone will exploit it!
Unfortunately its a function of the physics. Max heat pump output naturally changes with OAT and FT, that is unavoidable. Some manufacturers, most n...
In a word yes, based on what you have told us. You wont find many heat pumps with an output less than 5kW, and unless your house is very badly built...
In principle you are almost certainly right, but in practice its going to need a lot of measurement and interpretation unless its a slam-dunk case whi...
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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 use the A2A for shoulder periods ...
By Watcher , 10 hours ago
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RE: Marvel Heating liquidation
The interesting thing about the IBG: when I called them...
By davidnolan22 , 14 hours ago
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Boiler Upgrade Scheme funding reduced by circa £750 million in 2026 budget
The funding for the BUS grant appears to have been subj...
By Rob of York , 21 hours ago
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RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
JamesPa The chart explains well how the heat curve an...
By trebor12345 , 24 hours ago
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RE: Free app: run the immersion / heat pump from Growatt battery & solar surplus – no Home Assistant
Please bear in mind, everyone, that in order to use thi...
By Majordennisbloodnok , 2 days ago
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RE: The good, the bad and the not that great – my heat pump installation
@burtis Thanks for posting this and Im so pleased you ...
By JamesPa , 2 days ago
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RE: I need help with Ecodan ASHP
@f1p It turns out there have been a solar panel install...
By Andris , 3 days ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews your installer would be right to say that the...
By GrahamF , 3 days ago
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RE: Tradespeople on Their Phones: What’s Acceptable When They’re Working in Your Home?
Actually, that's a very important point. I've only ev...
By Majordennisbloodnok , 3 days ago
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RE: Aerotherm and weather compensation
These are likely inked. The basic explanation is tha...
By JamesPa , 3 days ago
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RE: Electrical works for air to air heat pump
agree with above. I have not had extra costs added wh...
By Batpred , 3 days ago
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Good to hear that you found a solution. Absolutely a...
By Batpred , 3 days ago
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RE: Are there any comparisons of DHW heat stores around?
@sarahemmm I have done things the opposite way round I ...
By Toodles , 4 days 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 , 5 days ago
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