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Last seen: Feb 21, 2025
Agreed, but you would also have to standardise the outdoor temperature and the humidity, so the defrost is realistic for the UK. And you'd also need d...
While that's true, I understand the Daikin 4kW is the same as their 8kW model, with software to limit the maximum output to 4kW. So, if anything, it i...
I disagree it is unlikely. It all depends. 15% is the difference between 5.8kw and 6.7kw, so maybe a 7kw machine would be OK for both levels of heat l...
To be fair, though, you don't want to design the system on the basis of the absolute lowest temperature, because it will then be overpowered for the e...
In practice, I find my radiators feel luke warm when the system tells me the flow temp is 30 degrees. Which is far less than 37 degrees, so I was puzz...
You may be right, but is that one day just a one-off or is it representative of the norm? If there are figures to show that carbon intensity normally ...
The biggest noise impact is that some of our toilet cisterns are noisy when they fill, due to the water being at mains pressure.
The price is still a pretty good guide, I'd have thought. Agile peaks from 4-7pm every day and that is surely because the demand that spikes then can ...
I haven't heard any discernible noise from the internal parts of my system, which is a Vaillant. Admittedly, I have no buffer, but I doubt they are no...
I would think this would be beyond the skills of most householders. My install just finished and it took them about 25 person-days and having observed...
Yes, Vaillant. But Aira were willing to give me that if I paid an extra £1k, which would still have been cheaper than HG. To be fair, a chunk of the ...
Just to round off some loose ends from my contributions to this thread, in the end I decided not to go with Aira. I realised that the various compromi...
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Degrees of Separation
Latest Posts
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RE: Jokes and fun posts about heat pumps and renewables
Plenty of butts 'round 'ere but
By Transparent , 12 minutes ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Have either quote provided room by room heat loss calcu...
By Old_Scientist , 14 hours ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@old_scientist if you are going DIY then you may wan...
By Papahuhu , 2 days ago
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RE: Indevolt Batteries UK Support & Info Thread
After a short while that was followed by the 'power war...
By JamesPa , 2 days ago
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RE: Samsung heat pump - data cable issue
That's well done. Cable is the correct type (LIYCY = 2x...
By bobflux , 2 days ago
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RE: Electricity price predictions
I agree, we will find out at the next budget whether th...
By Old_Scientist , 3 days ago
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RE: Missing flow temperature in Heat Geek proposal
@editor I went through HG website, so should be ok for ...
By sttpd1917 , 3 days ago
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Who did the Freedom Heat Pump cloud server and what did...
By Mars , 3 days ago
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RE: Who's your electricity provider and what's your tariff?
Reading between the lines of what octopus are doing wit...
By JamesPa , 3 days ago
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RE: Air to air bus grant installer anywhere
The through wall two hole ones have their place (listed...
By EtchedPixels , 3 days ago
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I hope it goes ok, Hon can be hard to set up IF the sof...
By Graham Hendra , 3 days ago
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@clockworks Hi, So there is a big difference between st...
By ASHP-BOBBA , 3 days ago
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@editor wellvery comprehensive answer. I will get all i...
By Keithb , 3 days ago
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RE: Advice on my Heat Pump Journey: Old Stone Built Detached Cottage
all good advice I will follow this up
By PaulC , 3 days ago
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Heat of vaporization of water is 2.25 MJ/kg (0.625 kWh/...
By bobflux , 4 days ago
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