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: Aug 22, 2026
To suck out energy largely, which it appears to be doing rather well And to cope with the possibility all your rads are shut down. I have heard on...
OMG that's guaranteed lousy performance. As I have said all along, I don't think you do
Are you telling me that there are times when the heat pump side water pump is on and the central heating side water pump is off. If so, no wonder you ...
With that llh in place it's quite possible that the water circulates primarily round the heat pump loop which would cause the very short cycling you a...
I am pretty sure I saw a report somewhere of a coating which resists icing up, I think by causing the condensing water to firm little balls which free...
You must be less sensitive to damp than me. I absolutely hate it when its +4C - ~-1C because of how damp it feels. Once it goes below zero the water...
Noted - but remember the old saying: correlation does not equal causality Having said that if cycling is causing such a large degradation (and its g...
Thanks, interesting. If I have done the maths correctly that's about a 6% increase in energy consumption during cycling (1/3.5 vs 1/3.7), ie small b...
Pleased to hear all of that, you seem to have decided what to do and why, so my best suggestion is to do it and see what happens. If the only materi...
@horne OK that helps. So as I understand it with ch turned off on the Samsung controller, rads get hot when you heat the dhw from the Samsung, but...
As I say above, whilst the cycling is likely to be degrading performance its unlikely that it accounts entirely, or even in the majority, for the poo...
@rgledhill Ok first questions What's the box in brown (llh or heat exchanger) When it cycles how long off how long on Where is the 17l vol...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Do I add Air Con or MVHR to existing A2W ASHP?
Nought for nought is the very best you can do, as soon ...
By JamesPa , 11 hours ago
-
RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 13 hours ago
-
Britain’s Heat Pump Shitshow is now available to pre-or...
By Mars , 2 days ago
-
RE: The good, the bad and the not that great – my heat pump installation
@burtis, I’ve followed this thread pretty much from the...
By Mars , 3 days ago
-
RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
First time poster here but I can share my experience as...
By SCH , 4 days ago
-
RE: Is it the house or the equipment?
...which, I've found out, is pretty much impossible to ...
By Majordennisbloodnok , 4 days ago
-
RE: Mitsubishi Ecodan FTC6 settings
The Mitsi remote thermostat should not be plugged into ...
By F1p , 4 days ago
-
RE: PV and battery long payback - sense check query
@jamespa I was just commenting on the speed, not sug...
By Batpred , 5 days ago
-
Readers here please note that Derril Water and many oth...
By Transparent , 5 days ago
-
RE: Advice on Vaillant Sensocomfort
Oops, I meant Sensocomfort (the UI to the controls)
By Batpred , 5 days ago
-
RE: Heat Pump Training vs. Real-World Installation
Our instal was very much the opposite. White haired blo...
By Batpred , 5 days ago
-
RE: Flushing system, cleaning and inhibitor
While skim reading a manual for our Vaillant HW tank, I...
By Batpred , 5 days ago
SPONSORS
