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: Dec 21, 2023
@mikefl (Belated) thanks for this - i went off down the rabbit hole of exploring your links, then the weather turned mild and anyway and i haven't got...
@mikefl your data collection is rather better than mine 🙂 . I ought look into systems for reading data - are you reading it from the aerona somehow? ...
@mikefl I'll be interested in that thread too. As an experiment i monitored the HP running the UFH this pm - and i was hoping to see when it would t...
@mikefl Well, looking at your chart and comparing with my own observations it does look as if it's performing better at -7 than at -3:- at -7 lwt ...
@mikefl @aceshighThanks, more data always helps. I still don't know what it uses to trigger a defrost, but i do think that there's a minimum run time...
@mikefl i think the frost protection is a completely independent thing, and there are settings to tweak for that. I've got that enabled as my installe...
@allyfish have you tried a chofu using the chofu controller? Does it work better than grants setup? I'd be interested to know how you (or anyone who'...
Looks like that's what they've done: the wires that would normally go from the top right of the ep001 to demand heat / demand hw have presumably been ...
Thanks, I've made a note of your 42min interval as i have a suspicion there's a minimum defrost interval but haven't worked out what it is. The oth...
I think my installers were in the right ball-park when they designed the system, although i may decide that a smaller hp might have been ok, i won't k...
Hi, sorry i don't want to hijack the thread, but i was wanting to ask the experienced Grant aerona 3 owners about the defrost cycle on the grant, and ...
Ditto what mike has said: there would normally be a separate timer (programmer ) to set the on off times for heating and dhw, and a room thermostat (o...
- 27 Forums
- 2,792 Topics
- 66 K Posts
- 3,223 Online
- 7,196 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: Heat pump branding. Clever, contemporary… or a bit too much?
I think Heat Geek have done an amazing job on their bra...
By Tomtheheatingengineer , 5 hours ago
-
RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
I have just had 3 heat loss surveys, one by heat geek o...
By David , 6 hours ago
-
RE: Heat Geek Zero Disrupt: Are We Sleepwalking Into Another Race to the Bottom?
I think that's the key question. After all inverter uni...
By Prunus , 7 hours ago
-
RE: battery storage without solar
As of October 1st they need specific qualifications to ...
By EtchedPixels , 8 hours ago
-
RE: How should the Boiler Upgrade Scheme be reformed?
A unit which uses water to transfer the heat/chill from...
By Temperature_Gradient , 8 hours ago
-
RE: Renewables & Heat Pumps in the News
With regards to the BUS grant raid, I gave it more thou...
By ASHP-BOBBA , 9 hours ago
-
RE: Why are ASHP installs so expensive?
The whole system seems to work on the basis of...
By ian33a , 9 hours ago
-
RE: Missing flow temperature in Heat Geek proposal
Good plan. If you can get half hourly meter readings a...
By JamesPa , 14 hours ago
-
RE: Heat Pumps Without Grants: Would You Have Installed One & Will You Now?
@editor Most certainly. The heat pump was an ideal s...
By Abernyte , 14 hours ago
-
Although regulations may well vary from country to coun...
By Majordennisbloodnok , 15 hours ago
-
RE: Does anyone have experience of a smart water meter?
Yep I caught our slow leak from a £100 bill rise 8)
By EtchedPixels , 15 hours ago
-
RE: Do You Need a Buffer Tank or Low Loss Header for Underfloor Heating in a Large Property?
@jamespa in some cases, failing the Turing test might b...
By GrahamF , 18 hours ago
-
RE: Passiv Smart Thermostat - Help & Forum Support
@energystoragetech The heat capacity of some...
By JamesPa , 20 hours ago
-
RE: tepeo ZEB UK Support & Info Thread
Sorry you are correct, I was remembering figures from t...
By JamesPa , 1 day ago
Members Online
No online members at the moment


