Search with Wattson
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!

AndrewJ
@andrewj
Member
Reputable Member
Joined: Jan 8, 2025
Last seen: Jun 13, 2026
Topics: 10 / Replies: 210
Reply
RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!

The Cosys are/should be capable of heating the tank of water to over 50c, including doing a legionella cycle if you want it. If it's heating a full t...

4 months ago
Reply
RE: Octopus Cosy Heat Pump Owners & Discussion Thread

In fairness, I would find those temperatures too cold and uncomfortable. One of the differences might be related to thermal mass:all our walls are pl...

4 months ago
Reply
RE: Octopus Cosy Heat Pump Owners & Discussion Thread

It’s been consistently warm over the last couple of days and I’ve found temperatures in the house have dropped off a bit. The landing is 22.4c and I ...

4 months ago
Reply
RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!

@razz they told me that as well, but they don’t live in my house and the primary pod in the hallway leads to the problem that I explained. Putting it ...

4 months ago
Reply
RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!

@razz the problem you are experiencing is because Octopus like you to run the heat pump thermostatically. Essentially, the whole house is being heate...

4 months ago
Reply
RE: Octopus Cosy Heat Pump Owners & Discussion Thread

@agentgeorge Probably, but temperature change at -10 has little effect without a warm weather change as well. It just flattens the curve out: I haven...

4 months ago
Reply
RE: Octopus Cosy Heat Pump Owners & Discussion Thread

@kevh So it does... maybe they are listening to people.

4 months ago
Reply
RE: Octopus Cosy Heat Pump Owners & Discussion Thread

Press and hold until the light turns blue, not flashing. Then open your phone/tablet settings and look for the cosy hub wifi and connect to that. Na...

4 months ago
Reply
RE: Octopus Cosy Heat Pump Owners & Discussion Thread

See my graph in response to @kevh. It may be possible in the hub to set a temp lower than -10c, I've not tried, but the returns really diminish alter...

4 months ago
Reply
RE: Octopus Cosy Heat Pump Owners & Discussion Thread

I feel sorry for those people who have it installed under default commissioning or minimum setup, which seems to be the norm not just for Octopus, as ...

4 months ago
Reply
RE: Octopus Cosy Heat Pump Owners & Discussion Thread

In the app, the minimum you can set it to is 50c but that may just flat-line the curve from the 50c point set in the hub to the -10C OAT mark. What y...

4 months ago
Page 4 / 19
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