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: Feb 9, 2026
@nayffy This is definitely something we've observed as well. All temp sensors have errors. My suggestion would be to pick 1 and increase or decrease y...
@davidalgarve I would probably turn down the heat pump slightly overnight then instead of your Tado's. Your Tado's don't talk to your heat pump so eve...
Strange! Indeed perhaps a schedule on the physical controller or MELCloud?Or could it be that the heat pump is by itself switching to fixed flow temp ...
@dur If you have sufficient volume in your UFH loops, which it sounds like you have, and if you don't zone it, it's OK to close the radiators in the b...
@tim441 Are you the Tim I've been emailing with? If yes, good to see you here!
@editor Thanks Mars! I hadn't seen this post yet. A lot of activity on the forum. @majordennisbloodnok A good summary of some of the trade-offs!
@dur Welcome! You have the foundation of a good install I believe! You must be careful to keep it that way. Your heat pump will run best when you ha...
@jeegnesh I just sent you a direct message
It's generally OK to have a setback of a few degrees. I would start with 1C setback and monitor for a bit. Depending on the impact on energy and comfo...
May I ask how you got access to their service cloud?
@jeegnesh Vaillant does have a portal but only for installers. My company is building a portal for monitoring (and control). If you want, I can get yo...
@burtis Got it! Seems like you're very much on top of setting it up well. I don't know your house obviously, but you could probably lower the flow tem...
- 26 Forums
- 2,645 Topics
- 61.8 K Posts
- 547 Online
- 7,045 Members
Join Us!
Latest Posts
-
RE: Heat Pump Overpromising – What Were You Actually Told Before You Bought?
No, I agree entirely. There shouldn't be a need for an ...
By Majordennisbloodnok , 7 minutes ago
-
RE: How many people are happy with their ASHP and do you believe them?
I agree, and not. Energy prices are a largely politica...
By JamesPa , 51 minutes ago
-
RE: Solar Produced vs Home Consumed
All inverters will use solar power in preference to dra...
By JamesPa , 57 minutes ago
-
Yes, you will need to notify them even if the inverter ...
By Old_Scientist , 1 hour ago
-
RE: Heat Pump Manufacturers Recommending Buffer Tanks
@tony-stolz, I think @jamespa has already covered the h...
By Mars , 14 hours ago
-
RE: Heat Pump Operation in Summer - Valliant 7kW
I do the same: cool my large buffer (3000L) to 10C, pum...
By upnorthandpersonal , 23 hours ago
-
@editor "The interesting bit is that many modern invert...
By Singlespeed , 24 hours ago
-
RE: Ecodan & MelCloud scheduling
With the prospect of warmer weather this week, I brough...
By downfield , 1 day ago
-
RE: A2A vs A2W: Which Heat Pump Would You Pick?
I reached out to MCS directly last week on this and her...
By Mars , 1 day ago
-
RE: Help me keep the faith with my air source heat pump installation
My heating developed a really severe case of noise and ...
By JamesPa , 2 days ago
-
RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
@l2jad I was just thinking all things being equal. Our ...
By AndrewJ , 2 days ago
-
Hi, Does anybody have experience with Heat Geek insta...
By sttpd1917 , 3 days ago
-
I will soon be struggling. Admittedly it is the summer,...
By Batpred , 3 days ago
-
RE: Indevolt Batteries UK Support & Info Thread
Not known yet. I've asked a local Councillor to follo...
By Transparent , 4 days ago



