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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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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 , 7 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 , 7 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 , 8 hours ago
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RE: battery storage without solar
As of October 1st they need specific qualifications to ...
By EtchedPixels , 9 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 , 10 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 , 10 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 , 10 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 , 15 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 , 15 hours ago
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Although regulations may well vary from country to coun...
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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)
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RE: Do You Need a Buffer Tank or Low Loss Header for Underfloor Heating in a Large Property?
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RE: tepeo ZEB UK Support & Info Thread
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