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Last seen: May 15, 2025
Correct and I still stick by it as this is a discussion on automation and getting control of the HP to respond to circumstances. In the end all a WC...
@johnmo Not sure, I think it was a couple of times. On checking traced it back to return temp matching outgoing temp. It then cycles the water unti...
@jamespa There is a lag in response no matter which you chose, depending on the mass of the heat sink and ours is large. There would also be a buil...
@jamespa Yes the basic principle is correct, but by using that mirror and knowledge you know that if the temp is falling / gaining then x amount...
@johnmo Having never had a gas boiler, I can not commit on that. All I understand about them is that they run high temp to warm up a house, within ...
@jamespa Yes there are a lot of people running WC and there are a lot of people who make changes to those WC curves during the winter as the house...
Hate to burst people bubbles, but WC will never match the house heat loss. The only way to do that is by using the internal house temp and adding / re...
@johnmo Yes, we have about 300m2 of UFH, over 3 manifolds. One manifold is then split to deal with radiators upstairs. Our return temp is around ...
@johnmo This is not too much about micro-management of the HP, but about getting more from it. I have a Grant 13kw, two to three times larger tha...
@johnmo "Why not use the original manufacturer controller (Chofu) which is hidden away in a cupboard" If you do a search on Gibhub or Internet, s...
@stopbar We have a 13kw R32 Grant and found running 30/-5 & 25/15 works (its a very efficient house). Most of the time I just run it off flow...
Hi, Had a look over the information / video and though I can just about follow it and may be able to take a stab at it, I think its a little too muc...
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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 , 1 hour 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...
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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...
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...
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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...
By ASHP-BOBBA , 3 days ago
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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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