Joining the Renewable Heating Hub forums is completely free and only takes a minute. By registering you’ll be able to ask questions, join discussions, follow topics you’re interested in, bookmark useful threads and receive notifications when someone replies. Non-registered members also do not have access to our AI features. When choosing your username, please note that it cannot be changed later, so we recommend avoiding brand or product names. Before registering, please take a moment to read the Forum Rules & Terms of Use so we can keep the community helpful, respectful and informative for everyone. Thanks for joining!
Last seen: Apr 27, 2026
@webcmg Pretty busy at the mo and also getting solar + battery installed so not been paying attention to heat pump. We had family staying so had to t...
@webcmg Once you get your insulation sorted it sounds like you're on the right track, our room temps are a more comfortable >=21ºC Here's our Ja...
@webcmg I don't get the Vaillant external Temp entity with my HACs so will rely on Openweathermap for now, not sure why, maybe because my external sen...
I've got two Ambisense TRVs in our two coldest rooms. They're smart enough to increase the flow temp on the Arotherm+. I've also got two cheap Chine...
@webcmg What integration are you using for the outdoor temperature? I've just added OpenWeatherMap to try and get these values but not sure if they'...
@webcmg Here you go. What's your average flow temp now you've lowered the Heat Curve to 0.4?
@webcmg Our setup doesn't have anything like that, our Arotherm+ is connected to a Vaillant uniSTOR 300Ltr Unvented Cylinder with two or three other b...
@cathoderay Those stats came from SensoApp and Home Assistant. I'm not sure how accurate the SensoApp stats are but I'm sure there's room for my setup...
@webcmg Here you go. November December
@webcmg Our house is a recent self build, timber frame with block, K-rend rendering, and part wood cladding. We're fairly well insulated and had to do...
@webcmg Where did you get stuck when trying to use the heat curve? The diagram from the manual shows what the flow temp will be dependent upon the out...
@webcmg Not sure if I have one. Is that the pump attached to the UFH manifold/mixer? Your Flow temp is nearly 40ºC which probably explains why you'...
- 26 Forums
- 2,725 Topics
- 63.8 K Posts
- 1,188 Online
- 7,126 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: Jokes and fun posts about heat pumps and renewables
@transparent I’ve heard that that is why American cars ...
By Toodles , 2 hours ago
-
RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Have either quote provided room by room heat loss calcu...
By Old_Scientist , 16 hours ago
-
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
-
RE: Indevolt Batteries UK Support & Info Thread
After a short while that was followed by the 'power war...
By JamesPa , 2 days ago
-
RE: Samsung heat pump - data cable issue
That's well done. Cable is the correct type (LIYCY = 2x...
By bobflux , 2 days ago
-
RE: Electricity price predictions
I agree, we will find out at the next budget whether th...
By Old_Scientist , 3 days ago
-
RE: Missing flow temperature in Heat Geek proposal
@editor I went through HG website, so should be ok for ...
By sttpd1917 , 3 days ago
-
Who did the Freedom Heat Pump cloud server and what did...
By Mars , 3 days ago
-
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
-
RE: Air to air bus grant installer anywhere
The through wall two hole ones have their place (listed...
By EtchedPixels , 3 days ago
-
I hope it goes ok, Hon can be hard to set up IF the sof...
By Graham Hendra , 3 days ago
-
@clockworks Hi, So there is a big difference between st...
By ASHP-BOBBA , 3 days ago
-
@editor wellvery comprehensive answer. I will get all i...
By Keithb , 3 days ago
-
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
-
Heat of vaporization of water is 2.25 MJ/kg (0.625 kWh/...
By bobflux , 4 days ago



