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Last seen: Feb 3, 2026
@transparent Thanks for the info, i will try to get EDF to escalate to the DCC, if that doesn't work i will have to wait for the new WiFi system to go...
@tim441 Re the silent mode, It made me think have a missed something, but i have looked it up, on the Viessmann all the silent mode does is restrict t...
Does anybody have any figures re the efficiency of heat pumps when under different loads? A car engine ticking over is more efficient than one runni...
@jamespa It depends on what "bad" cycling is. In spring it would run for a total of 4 hours in the 9 hour period that i had it set for, it would cycle...
Our heat pump is oversized by a factor of 2. It is capable of 10Kw at temperature of -5, the most we have used in one day in the last 2 and a half yea...
We have a 10Kw Viessmann 200A it SCOP is currently 5.2, this has increased over the last 12 months from 4.7 by tuning the system to our property. The ...
@cathoderay Re the 1.18 correction figure. I have a completely different pump (Viessmann) and have a well insulated property with underfloor throug...
With reference to the now christened Vampire load, on my Viessmann i have one meter monitoring all the energy to the entire heating system, the other ...
I am new to the forum, but have been following this topic closely, as I am sure are many other heat pump owners. To quote Sherlock Holmes - When yo...
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Degrees of Separation
Latest Posts
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RE: Jokes and fun posts about heat pumps and renewables
@transparent I’ve heard that that is why American cars ...
By Toodles , 47 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 , 15 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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