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Last seen: Jul 24, 2026
Thanks all, all seems a bit of a mess and probably all a result of the fact that the governments listen to too many lobbyists which come in two flavou...
That’s very disappointment. Like nobody bothered to even ask the most basic questions of the installers. Like would this work? Are you interested? So ...
Manufacturer: appliances direct/superheat Model: 7Kw Type: ASHP. Arrangement: Monoblock + single zone, open loop. No hot water Area of Country...
I think you can set the temperature to very low 5C in the time weekly timer. Either do it for the full period when the fire is expected to be on, or y...
Btw, fixing your system so the underfloor heating is working is definitely by far the best you can do to improve your COP substantially. It also provi...
The system doesn’t seem to have return or deltat as a value. For that you’d need something like openenergymonitor. For the cycling I have home assista...
Hi David, as I understand it running the system in active mode means that it is not running in pure weather compensation mode and is hence a little le...
I’ve got a similar system, but it’s a 5kW unit, I understand that is the same hardware as the 3.5. I get a mildly disappointing 3.8 cop. This seems to...
Good old physics tells us that it is impossible to not have to put extra energy in to get the temperature up without putting extra energy in. I havent...
@cathoderay the principle is as probably described somewhere above, that the energy usage is directly proportional to the deltaT between outside and i...
interestingly that’s not what I see, here is the same from my calculations on your data, there is clearly extra energy being put in:
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Latest Posts
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Have either quote provided room by room heat loss calcu...
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RE: Jokes and fun posts about heat pumps and renewables
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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...
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RE: Indevolt Batteries UK Support & Info Thread
After a short while that was followed by the 'power war...
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RE: Samsung heat pump - data cable issue
That's well done. Cable is the correct type (LIYCY = 2x...
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RE: Electricity price predictions
I agree, we will find out at the next budget whether th...
By Old_Scientist , 2 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 ...
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Who did the Freedom Heat Pump cloud server and what did...
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RE: Who's your electricity provider and what's your tariff?
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RE: Air to air bus grant installer anywhere
The through wall two hole ones have their place (listed...
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I hope it goes ok, Hon can be hard to set up IF the sof...
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@clockworks Hi, So there is a big difference between st...
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@editor wellvery comprehensive answer. I will get all i...
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RE: Advice on my Heat Pump Journey: Old Stone Built Detached Cottage
all good advice I will follow this up
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Heat of vaporization of water is 2.25 MJ/kg (0.625 kWh/...
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