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: May 10, 2026
@cathoderay There is always the 7.62 1in5 link of social media, I use it as my weapon of last resort but when I was getting nowhere with my installer ...
@damonc just seen your post on the FB Grant group and responded to you re Home Assistant version
@damonc I have been playing with this and it is pretty accurate compared to my real world results on a Grant Aerona3 R32 13kW I made my curve a ridicu...
@damonc this is a great little tool I have been using WC Ready Reckoner that @allyfish created but I am a visual person so this is great. i have fully...
@damonc if you have the R32 ASHP it will have the modbus connection on the PCB if you want to chat a bit more about it pop over to this thread so we d...
Our installer placed the soak away hole about 5 inches in front of the drain hole of the unit then bodge some plumbing pipe which did nothing he also ...
@steam-powered do you know if you also have the immersion heater plumbed in on your volumiser that probably isn’t part of your issue but it is a 3Kw h...
Oh badgers nadgers! I knew I would jinx myself! It turns out my joyous rapture was short lived, 2.5 hours and then back to cycling. But then again the...
@damonc my Grant was installed in Jan this year (however no idea of how old it actually is). In order to access the modbus you need to buy some additi...
@toodles Billy the big bahco spanner lovingly applied (gently of course and not too vigorously) worked a treat!
Hold the phone, now I don’t want to jinx this but in the process of balancing my system (or at least trying to) I thought I would go down a different ...
@steam-powered 17kw heat pump for a 8.4kw heat loss is bonkers! I am in a 1970s bungalow with an over calculated heat loss of 11kw (I think i...
- 27 Forums
- 2,783 Topics
- 65.6 K Posts
- 1,945 Online
- 7,187 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: DIY Heat Pump Installations: Navigating Legal and Regulatory Hurdles
I'm guessing it's a visual amenity consideration. Don'...
By JamesPa , 21 minutes ago
-
RE: Replacing Storage Heaters with a Heat Pump in a Stone Cottage
Excellent find, thanks for posting the link here.
By cathodeRay , 3 hours ago
-
RE: How should the Boiler Upgrade Scheme be reformed?
It's the reverse, the hybrids need less space. The back...
By Temperature_Gradient , 3 hours ago
-
Over the years, due to the non barrier PEX underfloor h...
By bobflux , 15 hours ago
-
RE: Getting closer to a finished Haier system
All the 45° elbows required for getting the primaries i...
By Singlespeed , 17 hours ago
-
RE: Tesla Powerwall (2) Calibration Cycles
@papahuhu Likewise, the main ‘extra’ relates to TOU tar...
By Toodles , 22 hours ago
-
RE: battery storage without solar
Indeed, current on the grid input = current used for ch...
By bobflux , 2 days ago
-
RE: Who's your electricity provider and what's your tariff?
@papahuhu @papahuhu A lot of tears and sweat went into ...
By Andris , 2 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
We have the same problem, 12 mature trees clip the morn...
By Papahuhu , 3 days ago
-
RE: Solis inverters S6-EH1P: pros and cons and battery options
I had a battery and inverter installed a while ago, my ...
By Batpred , 3 days ago
-
RE: Is This Initial Free Quote From Octopus Trusted Partner Reasonable?
@ltron2 The EPC on our house is A-92, however that i...
By Rob of York , 3 days ago
-
RE: Heat pump branding. Clever, contemporary… or a bit too much?
The layout is confusing - much better like this: We b...
By downfield , 4 days ago
-
RE: Is it just me, or does tradesperson timekeeping and communication drive you absolutely mad?
My experience, backed up by opinions from various frien...
By Majordennisbloodnok , 4 days ago
-
RE: Analysis of the economics of switching to an A2W ASHP compared to other heat sources
I had a meeting today with a company based out of Swede...
By Mars , 5 days ago
-
RE: Review your electricity provider
We were with Octopus in our old house and it was fault...
By ian33a , 5 days ago


