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 23, 2026
The buzzing is back...
Yeah, the 20.8C holds in the hall. Currently, the hall is at 20.8C, the bathroom is 24C (but probs cos people have been using it, and its a small room...
This is the vision I bought into when I signed the contract for the heat pump.Instead it's the exact opposite, and I'm paying a premium to be colder, ...
The rear extension (living room/diner/kitchen) has a lot of glass, plus a 'roof lantern', so it gets cold in the winter, and VERY hot in the summer. S...
@jamespa I was told by the octopus engineer to set the target temp to 21c, and it's not getting to 21. It's been "warming up" since midday and still n...
@jamespa Alright, I'll try to balance the living radiator myself tomorrow. Thanks all for the tips. Hopefully that will help.Any idea why the hallway ...
@andrewj Thanks for the info.I was told by the Octopus people that the primary pod should be in the part of the house with the most consistent temps. ...
@l2jad I had a call with someone from MCS last week who called to check in on the status of the install. Told me to call them if I wasn't happy with t...
So I got an email from Octopus today saying they added a software update to my heat pump which should reduce the noise. The Octopus engineer has told ...
@editor Another heat pump engineer/installer from Octopus came by. He said, the reason for the use of a 4 port buffer is to get "hydraulic seperation"...
@l2jad Glad to hear it. Hope it'll be sorted for us all. BTW, did they install a 4 port buffer or a 2 port volumizer for your system?From an earlier c...
@swwils Done it already. Sent the same files I shared in my original post.Also just sent a bit of sternly worded letter saying I'm sick of all the dis...
- 26 Forums
- 2,646 Topics
- 61.8 K Posts
- 1,009 Online
- 7,045 Members
Join Us!
Latest Posts
-
RE: Solar Produced vs Home Consumed
It's worth adding that if you have a hot water tank and...
By JamesPa , 20 seconds ago
-
RE: Heat Pump Overpromising – What Were You Actually Told Before You Bought?
@editor Sorry Mars, I didn’t see a notification about ...
By Toodles , 19 minutes ago
-
RE: Hitachi Heat Pump being replaced with Vaillant
Yes to be configured as a volumiser. The pump is to be...
By trebor12345 , 37 minutes ago
-
RE: Anyone concerned about GivEnergy?
So it seems subscription day has finally arrived for Gi...
By TechnoGeek , 2 hours ago
-
RE: How many people are happy with their ASHP and do you believe them?
I agree, and not. Energy prices are a largely politica...
By JamesPa , 5 hours ago
-
Yes, you will need to notify them even if the inverter ...
By Old_Scientist , 5 hours ago
-
RE: Heat Pump Manufacturers Recommending Buffer Tanks
@tony-stolz, I think @jamespa has already covered the h...
By Mars , 18 hours ago
-
RE: Heat Pump Operation in Summer - Valliant 7kW
I do the same: cool my large buffer (3000L) to 10C, pum...
By upnorthandpersonal , 1 day ago
-
@editor "The interesting bit is that many modern invert...
By Singlespeed , 1 day ago
-
RE: Ecodan & MelCloud scheduling
With the prospect of warmer weather this week, I brough...
By downfield , 1 day 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 , 1 day 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


