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'...
- 27 Forums
- 2,792 Topics
- 66 K Posts
- 3,202 Online
- 7,196 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
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 , 5 hours ago
-
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 , 6 hours ago
-
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 , 7 hours ago
-
RE: battery storage without solar
As of October 1st they need specific qualifications to ...
By EtchedPixels , 8 hours ago
-
RE: How should the Boiler Upgrade Scheme be reformed?
A unit which uses water to transfer the heat/chill from...
By Temperature_Gradient , 8 hours ago
-
RE: Renewables & Heat Pumps in the News
With regards to the BUS grant raid, I gave it more thou...
By ASHP-BOBBA , 9 hours ago
-
RE: Why are ASHP installs so expensive?
The whole system seems to work on the basis of...
By ian33a , 9 hours ago
-
RE: Missing flow temperature in Heat Geek proposal
Good plan. If you can get half hourly meter readings a...
By JamesPa , 14 hours ago
-
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 , 14 hours ago
-
Although regulations may well vary from country to coun...
By Majordennisbloodnok , 15 hours ago
-
RE: Does anyone have experience of a smart water meter?
Yep I caught our slow leak from a £100 bill rise 8)
By EtchedPixels , 15 hours ago
-
RE: Do You Need a Buffer Tank or Low Loss Header for Underfloor Heating in a Large Property?
@jamespa in some cases, failing the Turing test might b...
By GrahamF , 18 hours ago
-
RE: Passiv Smart Thermostat - Help & Forum Support
@energystoragetech The heat capacity of some...
By JamesPa , 20 hours ago
-
RE: tepeo ZEB UK Support & Info Thread
Sorry you are correct, I was remembering figures from t...
By JamesPa , 1 day ago
Members Online
No online members at the moment


