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: Sep 20, 2026
The point to understand is that cycling basically occurs because the heat demand from the house is less than the minimum that the compressor can produ...
That's a bit of a red flag. I don't think your WC settings are correct. No panic because the heating season is more or less over but some tweaks dur...
A couple of things: 1. You should be running on weather compensation (WC) so that the FT reduces as the outdoor temp increases. Your installer shou...
OK, thats good and low. With low flow temperatures like this there is less to be gained by operating weather compensation than if you were operating ...
Can I suggest you read (if you havent already) this 'starters guide' to heat pumps? I think you may be getting things confused. Firstly dont wo...
The guy was right as regards buffer tanks, avoid. However a 2 port volumiser is ok. Unfortunately terminology isn't quite consistent. Check that it...
@cliffhanger Mine has a 'space heating off' setting! Otherwise turn down thermostat if you have one and it's set up to call for heat
That's a good analysis. Presumably heat pump manufacturers design on the assumption that the heat pump is right sized. The typical oversized heat pu...
@adamk Sounds encouraging, what about any independent measure of total loss eg from current gas/oil consumption. Rooms share heat to a fair extent s...
I apologise if this has been covered already but have you got any way to sense check loss calculations eg from past usage. The two, three hour full p...
@heatgeek I feel this may all be heading towards a conclusion that there are a set of trade offs in compressor modulation range and cycling. Without ...
Thanks for that. The ecoforest graph of cop Vs compressor speed explains a lot. Perhaps it even explains how Daikin appear to do a single compressor...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Next steps on my ASHP journey: Radiators and Pipework
@jamespa since going back to bed and reading again this...
By Singlespeed , 28 minutes ago
-
RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
If they can't don't give up. Heat pumps are, in reali...
By JamesPa , 17 hours ago
-
RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s I wouldn't be too concerned about the design ...
By Rob of York , 17 hours ago
-
RE: Missing flow temperature in Heat Geek proposal
Yes that's what would happen by turning down the lsv to...
By JamesPa , 17 hours ago
-
RE: Grant R290 DHW Cycle Interuption
It looks like some sort of short pre-run. The question...
By JamesPa , 19 hours ago
-
RE: Cascade System or larger single unit
@renewables345 I would say if it a new build it’s no mo...
By Aventus Eco , 20 hours ago
-
RE: Why are ASHP installs so expensive?
Posted by: @batpred There´s another aspect that coul...
By Rob of York , 1 day ago
-
RE: Say hello and introduce yourself
@gz00, welcome to the forums. There’s a huge amount of ...
By Mars , 1 day ago
-
RE: Home energy storage & battery register
1 fox ess lv5200 batteries, plus 2 more waiting to be i...
By Jimcub , 2 days ago
-
RE: Heat Pump deployment statistics: June 2026
@l8again Unfortunately the government is, I suspect,...
By JamesPa , 2 days ago
-
My feed of random industrial auctions turned up this au...
By Prunus , 2 days ago
-
Thank you @majordennisbloodnok – that means a lot, part...
By Mars , 3 days ago
-
We’ve just passed 20 million forum views! 🎉
It's official. The Renewable Heating Hub forums have of...
By Mars , 3 days ago
-
RE: Who's your electricity provider and what's your tariff?
@batpred When the raw material input has increased in c...
By Papahuhu , 4 days ago
SPONSORS
