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 20, 2026
I appreciate your efforts and patience – when you're familiar with the way something works, it's easy to get frustrated when people don't get it. Heat...
Not sure what you mean by timers. Smart TRVs on all rads. Yes, we have a buffer tank. We also have three smart thermostats for UFH (in three zones) an...
@heacol. Thanks Brendan. We probably have too many controllers and smart thermostats, which is probably an oil boiler mentality, and this prohibits us...
@derek-m, I always take on board what you write. The issues that arise, in our case anyway, is that we've asked Global Energy Systems several times to...
@heacol, that's a good point about COP and leakiness. Our issue was heat emitters - when we added Stelrad K3s it made a world of difference in the c...
Fabric first to achieve low flow temperatures I guess. Our insulation is good to very good, but we still leak some heat. Getting better though.
@heacol, does you customer have very good/excellent insulation?
It's been a while since you post Ken – any updates on your ground source?
@heacol, I had no idea the flow temperature should be so low (20C) in November. We're currently running at 35C (manually set) at it feels about right ...
@caroline2000, as Brendon has stated, it's not all doom and gloom, and you can get these systems to work more efficiently. We use a lot of electricity...
@batalto, as far as RHI is concerned there's no distinction between consumed or purchased from the grid.
- 27 Forums
- 2,746 Topics
- 64.6 K Posts
- 862 Online
- 7,153 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: Do I add Air Con or MVHR to existing A2W ASHP?
Cloudy one done, might get the sunny one tomorrow or de...
By Watcher , 6 hours 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 , 23 hours 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 , 1 day ago
-
At the risk of going on: A slight side issue for a foru...
By Bart , 1 day ago
-
RE: Is it the house or the equipment?
...which, I've found out, is pretty much impossible to ...
By Majordennisbloodnok , 2 days ago
-
RE: Mitsubishi Ecodan FTC6 settings
The Mitsi remote thermostat should not be plugged into ...
By F1p , 2 days ago
-
RE: PV and battery long payback - sense check query
@jamespa I was just commenting on the speed, not sug...
By Batpred , 2 days ago
-
Readers here please note that Derril Water and many oth...
By Transparent , 2 days ago
-
RE: Advice on Vaillant Sensocomfort
Oops, I meant Sensocomfort (the UI to the controls)
By Batpred , 2 days ago
-
RE: Heat Pump Training vs. Real-World Installation
Our instal was very much the opposite. White haired blo...
By Batpred , 2 days ago
-
RE: Flushing system, cleaning and inhibitor
While skim reading a manual for our Vaillant HW tank, I...
By Batpred , 2 days ago
-
RE: 'Chinese Diesel Heater' to heat the home .....
Old thread but I'm new to the forum so new to me. How...
By BlizzardGreen , 3 days ago



