Renewable Heating Hub Heat Pump Forums

Search with Wattson
Forums
Members
Hook
Activity
 
Notifications
Clear all

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!

Hook
@hook
Member
New Member
Joined: Jan 11, 2026
Last seen: Feb 3, 2026
Profile Activity
Topics: 0 / Replies: 5
AllTopicsReplies
Reply
RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!

I think the Cosy 9 and 12 have the same dimensions? If so I’m guessing the fan has a higher rpm on the 12.

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!

if you are on Facebook there is a cosy Heatpump group. A director frequents the group and is quite active, so will definitely react to reports of n...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!

@sukh-sukh-sukh-swwils I have a Cosy 6 and it’s quieter than my old gas boiler, but it does have a particular frequency when it ramps up to its max w...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!

I’ve heard a few reports about the Cosy 12s being very noisy. One from an engineer. Octopus may have a problem on their hands.

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Solis inverters S6-EH1P: pros and cons and battery options

@batpred I started reading this thread thinking I would be reading about you configuring predbat based on your user name. 🤣 is there any re...

5 months ago
Forum
Energy Storage
Share:

SPONSORS

Join Us!

Installer Finder

Degrees of Separation

Latest Posts

SPONSORS

Click to access the login or register cheese
Protected By
Shield Security PRO