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Last seen: Jul 24, 2026
@cathoderay i’m getting different results, using this method: calculate the average kWh/inside outside deltaT Kelvin (sum(kWh in)/sum(deltaT), that ...
As I understand it, it depends where the gauges are relative to the pump and blockage. The gauge in the heat pump is before the pump, so where it is l...
I think that might be an indication of some blockage in the system. I had that difference and lower than the standard vaillant 14 l/min flow rate, unt...
I’m very interested in these for my dad who lives in Germany. They have updated the regs such that you now can attach 200wp of panels, I.e. four panel...
One thought is that the advantage of an oversized system is that the radiators are hopefully also oversized, so you can run it at a lower temperature....
Looks like you can get the go (non intelligent) without an ev, just don’t ask :). I pressed the button and got the email to agree the conditions. If I...
I’m with octopus cozy, with my battery size it means that all by usage comes from the three cheap periods. I’m looking to switch to go in April, as t...
@terry1812 sorry didn’t mean to offend. That’s lucky their policy did overlap with your requirement. For me there was no need for repipe (22 & 15m...
@terry1812 oh I dodged a bullet there! I had the BG surveyor come round and I started with saying that their policy is to replace all piping! I send ...
100m2 5kw £11000-£7500=£3500 pick 3 radiators
I think the theory should be that you save what the difference in heat loss is between normal and lowest temperature that is reached during the setbac...
I didn’t take one out and surprisingly Boxt didn’t try to sell me one. I’m sure they will correct that oversight. The Vaillant guarantee says: Dur...
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Degrees of Separation
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...
By Old_Scientist , 11 hours ago
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RE: Jokes and fun posts about heat pumps and renewables
@jamespa Normally, we have rainwater in our water butts...
By Toodles , 2 days 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 , 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 ...
By sttpd1917 , 2 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 , 3 days ago
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