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: Mar 13, 2026
@richard24738 if the sun's out, aren't you getting solar gain in the house?. We have the same thing, our HP is on the south side so get sun directly o...
@richard24738 do you know where the outdoor thermistor sits, is it on the back, top corner? Mine sits on a raised balcony but south facing, I'm thinki...
@richard24738 what did mitsu say in the end, did you manage to fix the issue?
@sunandair I meant as I had already mentioned. It was commissioned, I have been l, like most here trying to get it set up efficiently. Ie take the act...
@gary yes pump was on speed 1 for a few days. And yes u I understand what your dying re putting flow rate up. What size HP have you got? UFH ? I just ...
@sunandair stats set as above so there is just one set above bedroom comfort level, so that the circulation pump operates, I will then set that stat t...
@gary hi, so if your min flow temp is 32c what happens when the weather gets a bit milder, does the house over heat? how do you control the temp in th...
@sunandair hi, its a new system, been in two yrs but not really used whilst it was being sold, i have asked the agents that maybe it should of been se...
@sunandair yes ive done that to check the L/M, and checked quite a bit, seems not to change
@sunandair hi, yeah I've set WC curve to 40c @ -19 and 30c@ 4, it's averaging about 10c oat today. All actuators taken off all stats set to 17c except...
@downfield on a laptop gives a far better graph, and if you take off hot water even more so, I found this out this week with advice from @sunandair an...
@editor I can't find any, any other ecodan users here have a mitsibushi weather comp chart?
- 27 Forums
- 2,811 Topics
- 66.5 K Posts
- 3,097 Online
- 7,222 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
I think that CCGT plant in Lingen is more likely to suc...
By Transparent , 31 minutes ago
-
RE: Heat Geek installations: share your experiences
@l8again fwiw my experience (Valiant but not with heat ...
By JamesPa , 3 hours ago
-
RE: Renewables & Heat Pumps in the News
@temperature_gradient There is a good summary of the...
By Rob of York , 14 hours ago
-
RE: DIY powerflushing tutorial
The problem is that while inhibitors inhibit metal corr...
By Pirate Rich , 16 hours ago
-
RE: How Can I Prove Coal Was My Main Heating Source Without Receipts?
@etchedpixels thank you for the advice paid cash all...
By Chilli304 , 1 day ago
-
RE: Why don't people choose heat pumps?
Savings you need to consider versus the investment valu...
By EtchedPixels , 2 days ago
-
RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@susannasaunders An interesting conversation to have ...
By Rob of York , 2 days ago
-
RE: How much of your renewable and home setup would still work if the internet went down?
Yes, in my case, the ISP hub is permanently there, they...
By Batpred , 2 days ago
-
RE: Electricity price predictions
@rob-of-york sounds like a term that Heidegger would...
By Papahuhu , 2 days ago
-
RE: Adding data centre electricity costs to domestic energy bills?
never ceases to amaze me.. Keeping steel works going ...
By Batpred , 2 days ago
-
RE: Boiler Upgrade Scheme funding reduced by circa £750 million in 2026 budget
Absolutely agree. The massive Hager CU my vaillant requ...
By Batpred , 3 days ago
-
RE: Octopussy cosy 6 experience
People who have a Cosy appear generally to be happy wit...
By JamesPa , 3 days ago
-
RE: Aerotherm and weather compensation
@jamespa I replied yesterday with detailed readings whi...
By DavidB , 4 days ago
-
RE: Marvel Heating liquidation
@editor This is an important point. each winter, you...
By davidnolan22 , 5 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
Very nice. we’ve been super soggy here, but rather m...
By Papahuhu , 6 days ago


