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 8, 2025
@allyfish I'm somewhat surprised the saving you have worked out is only £8/year. Not wishing to pry, but that suggests your current annual cost exclud...
@papahuhu I know this tread is about the Homely controller but you might also try dropping an email to either Henri Casteleyn or Alex Nelson at Havenw...
@papahuhu I have a Samsung Gen7 HP and this has an automatic frost protection system that will simply circulate the water if it detects a frost risk w...
@trbob Agile last winter was a disaster. The previous winters it was pretty good. A lot of folk tried to defend Octopus over the Agile pricing saying ...
@trbob Hi, it was not the export aspect that limited the inverter to 7kW. The export side was capped at 4kW due to the concern about local voltage exc...
@papahuhu Doesn't your heat pump periodically circulate between the house and the outside unit when the outside temp drops?
It looks like a no-brainer to accept the Cosy Octopus Fixed rates as they are "only" 10% higher than the existing rates rather than 14.6% higher! I'm ...
@old_scientist Thanks for the reply. For some inexplicable reason I hadn't considered coming off the mains gas and using a standalone propane bottle a...
@old_scientist When I applied for a G99 I asked for a 12kW inverter and was "offered" a 7kW inverter with a 4kW export limit. They agreed that the ex...
If you have adequate battery storage and inverter capacity then the Cosy price works out at around 50% of the standard tariff and the heat pump can be...
@chickenbig Hi, just be sure to check that your supplier will accept recycling of energy rather than a live feed from solar. I did come across at leas...
@transparent Thanks. I'm currently with Octopus and just want them to allow me to sign-up to Outgoing Octopus but they require an MCS certificate "or ...
Latest Posts
-
RE: Heat Pump Overpromising – What Were You Actually Told Before You Bought?
@jamespa, really thoughtful as always... for me the pro...
By Mars , 12 minutes ago
-
RE: Heat Pump Manufacturers Recommending Buffer Tanks
@tony-stolz, I think @jamespa has already covered the h...
By Mars , 12 hours ago
-
RE: How many people are happy with their ASHP and do you believe them?
Good luck, I spent a couple of hours and, whilst I foun...
By JamesPa , 13 hours ago
-
RE: Heat Pump Operation in Summer - Valliant 7kW
I do the same: cool my large buffer (3000L) to 10C, pum...
By upnorthandpersonal , 21 hours ago
-
@editor "The interesting bit is that many modern invert...
By Singlespeed , 22 hours ago
-
RE: Ecodan & MelCloud scheduling
With the prospect of warmer weather this week, I brough...
By downfield , 23 hours ago
-
RE: A2A vs A2W: Which Heat Pump Would You Pick?
I reached out to MCS directly last week on this and her...
By Mars , 24 hours ago
-
Mentally you have to separate the ac side and the DC si...
By JamesPa , 2 days ago
-
RE: Help me keep the faith with my air source heat pump installation
My heating developed a really severe case of noise and ...
By JamesPa , 2 days ago
-
RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
@l2jad I was just thinking all things being equal. Our ...
By AndrewJ , 2 days ago
-
Hi, Does anybody have experience with Heat Geek insta...
By sttpd1917 , 3 days ago
-
I will soon be struggling. Admittedly it is the summer,...
By Batpred , 3 days ago
-
RE: Indevolt Batteries UK Support & Info Thread
Not known yet. I've asked a local Councillor to follo...
By Transparent , 4 days ago
-
Hard to tell but I think I have placed the arrow on wha...
By ASHP-BOBBA , 4 days ago
