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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: Heat pump branding. Clever, contemporary… or a bit too much?
I think Heat Geek have done an amazing job on their bra...
By Tomtheheatingengineer , 2 hours ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
I have just had 3 heat loss surveys, one by heat geek o...
By David , 2 hours ago
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RE: Heat Geek Zero Disrupt: Are We Sleepwalking Into Another Race to the Bottom?
I think that's the key question. After all inverter uni...
By Prunus , 4 hours ago
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RE: battery storage without solar
As of October 1st they need specific qualifications to ...
By EtchedPixels , 5 hours ago
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RE: How should the Boiler Upgrade Scheme be reformed?
A unit which uses water to transfer the heat/chill from...
By Temperature_Gradient , 5 hours ago
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RE: Renewables & Heat Pumps in the News
With regards to the BUS grant raid, I gave it more thou...
By ASHP-BOBBA , 5 hours ago
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RE: Why are ASHP installs so expensive?
The whole system seems to work on the basis of...
By ian33a , 6 hours ago
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RE: Missing flow temperature in Heat Geek proposal
Good plan. If you can get half hourly meter readings a...
By JamesPa , 11 hours ago
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RE: Heat Pumps Without Grants: Would You Have Installed One & Will You Now?
@editor Most certainly. The heat pump was an ideal s...
By Abernyte , 11 hours ago
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Although regulations may well vary from country to coun...
By Majordennisbloodnok , 11 hours ago
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RE: Does anyone have experience of a smart water meter?
Yep I caught our slow leak from a £100 bill rise 8)
By EtchedPixels , 11 hours ago
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RE: Do You Need a Buffer Tank or Low Loss Header for Underfloor Heating in a Large Property?
@jamespa in some cases, failing the Turing test might b...
By GrahamF , 15 hours ago
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RE: Passiv Smart Thermostat - Help & Forum Support
@energystoragetech The heat capacity of some...
By JamesPa , 16 hours ago
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RE: tepeo ZEB UK Support & Info Thread
Sorry you are correct, I was remembering figures from t...
By JamesPa , 1 day ago
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