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: May 23, 2026
@jamespa Thanks for this...do you mean take the control knobs off the TRVs and replace with a decorators cap? In addition to virtually locking down t...
@toodles Thanks for your advice. I am down to a quarter turn open on the three LSVs on the three upstairs rads, so maybe there is a little (a smidgeo...
@andrewj Many thanks for taking the time to explain, it is much appreciated. I am learning so much through following your postings and your exchange...
Bearing in mind that Octopus can apparently monitor our every move in regards to the hub, I would be concerned about invalidating the warranty. &nbs...
I have plotted myself that exact same chart, and have assumed that the FT levels off beyond the set points, which I think personally is a weakness in ...
Ah, yes, so the effect is to shift the WCC towards the cold end by about 5c, so that at -10c OAT your FT is around 46c? Sounds interesting. As @and...
This is very interesting and is something I was totally unaware of until now. If I understand correctly, you have adjusted the ends of the WCC which...
That's a similar sized house to mine, also fully insulated, which also loses about 0.4/0.5c per hour on average. I can only think that we lose heat ...
This is disappointing. Surely the engineer who called would have known this before he got in his van. I can only assume that he was expecting to fin...
@andrewj Watching with interest. I think that your interpretation of your data makes sense, in that the cold weather end of the WC curve does appear ...
@jamesPA TJ actually recommends the warm weather value should be +15c above target temperature so if you are aiming for indoor temp of 20c, then that ...
@jamespa Yes, I now get that the 50c top end of the wc range is too high, though I I can still try dropping the setting back for 5 nights (55 to 50) a...
Latest Posts
-
Solar Produced vs Home Consumed
Hello can anybody advise please..this may be a silly qu...
By WesleyP1874 , 2 minutes ago
-
Yes, you will need to notify them even if the inverter ...
By Old_Scientist , 7 minutes ago
-
RE: Heat Pump Overpromising – What Were You Actually Told Before You Bought?
I totally agree. However, there are two key problems ...
By Majordennisbloodnok , 10 minutes ago
-
RE: How many people are happy with their ASHP and do you believe them?
@majordennisbloodnok Thanks.Thats not far from b...
By JamesPa , 27 minutes ago
-
RE: Heat Pump Manufacturers Recommending Buffer Tanks
@tony-stolz, I think @jamespa has already covered the h...
By Mars , 13 hours ago
-
RE: Heat Pump Operation in Summer - Valliant 7kW
I do the same: cool my large buffer (3000L) to 10C, pum...
By upnorthandpersonal , 21 hours ago
-
@editor "The interesting bit is that many modern invert...
By Singlespeed , 22 hours ago
-
RE: Ecodan & MelCloud scheduling
With the prospect of warmer weather this week, I brough...
By downfield , 23 hours 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
