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: Oct 29, 2026
I very much doubt that ToU tarifs are disappearing any time soon, the suppliers and the grid have real problems to deal with namely the evening peak a...
Ah, not so useful then For sure, hopefully before next winter! On the Vaillant, programming NR mode (both on/off and hours of operation) is a...
That is what everybody else's hush/quiet mode is so almost certainly, they cant do magic!. See my comments above on how I successfully use Vaillant's...
@little-lights If I understand you correctly your system is AC coupled, (ie you have 2 inverters). Its the battery inverter you need to concentrate o...
If it's like every other quiet/night/noise reduction/silent/hush mode, it simply limits compressor modulation and/or fan speed. This reduces max out...
Its definitely quite complicated and as I say whole house backup with PV off grid is very much not yet mainstream. I havent gone ahead with a battery...
OK so here are my thoughts. Your panels and battery fundamentally dont in principle need changing, they are not where the 'smarts' are. The issue i...
FWIW I have been investigating battery recently (for about the 4th time - basically I struggle to make the business case work) and my judgement of the...
In general they aren't and he is wrong. End of in almost all cases. That said Aira are essentially vertically integrated so can actually set up th...
In general they aren't and he is wrong. End of in almost all cases. That said Aira are essentially vertically integrated so can actually set up th...
@little-lights Done properly an ASHP will almost certainly give you greater comfort for similar or lower running costs even in 'normal' times witho...
Fair enough. Its interesting that opentherm (for boilers) has been around for decades but several large manufacturers, eg Vaillant, didn't adopt it ...
- 27 Forums
- 2,808 Topics
- 66.3 K Posts
- 2,041 Online
- 7,212 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@susannasaunders I use the A2A for shoulder periods ...
By Watcher , 9 hours ago
-
RE: Marvel Heating liquidation
The interesting thing about the IBG: when I called them...
By davidnolan22 , 13 hours ago
-
Boiler Upgrade Scheme funding reduced by circa £750 million in 2026 budget
The funding for the BUS grant appears to have been subj...
By Rob of York , 20 hours ago
-
RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
JamesPa The chart explains well how the heat curve an...
By trebor12345 , 23 hours ago
-
RE: Free app: run the immersion / heat pump from Growatt battery & solar surplus – no Home Assistant
Please bear in mind, everyone, that in order to use thi...
By Majordennisbloodnok , 2 days ago
-
RE: The good, the bad and the not that great – my heat pump installation
@burtis Thanks for posting this and Im so pleased you ...
By JamesPa , 2 days ago
-
RE: I need help with Ecodan ASHP
@f1p It turns out there have been a solar panel install...
By Andris , 2 days ago
-
RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews your installer would be right to say that the...
By GrahamF , 2 days ago
-
RE: Tradespeople on Their Phones: What’s Acceptable When They’re Working in Your Home?
Actually, that's a very important point. I've only ev...
By Majordennisbloodnok , 3 days ago
-
RE: Aerotherm and weather compensation
These are likely inked. The basic explanation is tha...
By JamesPa , 3 days ago
-
RE: Electrical works for air to air heat pump
agree with above. I have not had extra costs added wh...
By Batpred , 3 days ago
-
Good to hear that you found a solution. Absolutely a...
By Batpred , 3 days ago
-
RE: Are there any comparisons of DHW heat stores around?
@sarahemmm I have done things the opposite way round I ...
By Toodles , 4 days ago
-
RE: How will removing the standing charge on gas bills benefit heat pumps?
The BUS grant funding for 2026/27 will run out at the c...
By Rob of York , 5 days ago



