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 11, 2026
@matwin, welcome to the forums.Expanding on transparent's reply, it's worth saying that a 5kW heat pump can deliver 5kW of heat... that’s its rated ca...
Difference is I’m actively encouraging as much cycling as possible on our dreadful Samsung fridge in the hopes it gives up completely, so we can final...
Very interesting and thanks for sharing. Used correctly and thoughtfully, AI can be an indispensable tool. It comes up with angles very often that you...
And here's a follow up article on the same subject that's an interesting read:
@toodles your account struck a chord with us and it raises some serious questions about what’s being claimed vs what’s being done during heat pump ser...
Good luck with this… I’d also suggest you start a new topic dedicated to your project because it sounds like it’s going to be an interesting one, and ...
@johnmo did you add a buffer to your install?
Definite alarm bells there!
@damon thanks for the quick reply, and that’s quite the glowing reference for Viessmann. Thanks for explaining.
@grahamf, is this for your home or your other project? If it’s for both, even though Damon is based out of Yorkshire, he does take on bigger projects ...
@damon you've fitted a few Viessmann's – can you please elaborate a bit about the buffer/volumiser on these units?
- 27 Forums
- 2,741 Topics
- 64.3 K Posts
- 1,076 Online
- 7,145 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
Kind of you, @calumm, but it was @f1p who did the heavy...
By Majordennisbloodnok , 37 minutes ago
-
The "thermal comfort" we feel is a mix of air temperatu...
By bobflux , 1 hour ago
-
RE: Electricity price predictions
2. As EV ownershp increases it'll certainly increase de...
By EtchedPixels , 11 hours ago
-
I meant to say I cannot register my kit at Energyplus… ...
By Batpred , 12 hours ago
-
RE: Indevolt Batteries UK Support & Info Thread
@indevolt-tech When you say 'dedicated switched fused ...
By JamesPa , 16 hours ago
-
RE: PV and battery long payback - sense check query
So if it helps I was recently quoted about 8 grand for ...
By EtchedPixels , 2 days ago
-
RE: HomeTherma Is Live: A New Home-Energy Platform Built Around the Homeowner
Signed up!
By bobflux , 2 days ago
-
RE: Has anyone seen this problem before? Huge anticycling times
Oh dear. Glad it was replaced. I have been mighty imp...
By JamesPa , 3 days ago
-
RE: Can I start an argument about buffer tanks please? 🙂
Dont, just adjust the LSVs to get different temperature...
By JamesPa , 3 days ago
-
RE: Heat pump running costs – what has actually worked for you?
I installed the air source heat pump in January 2026, i...
By bobflux , 4 days ago
-
RE: Grant Aerona Air to Water R290 6.5 kW - Quiet Mark and Silent Running
Thats all interesting. DHW on my Vailant seems to respe...
By JamesPa , 4 days ago



