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swwils
@swwils
Member
Estimable Member
Joined: Oct 2, 2025
Last seen: Jul 22, 2026
Topics: 0 / Replies: 97
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread

@jamespa haha very true, although the engineer yesterday said that condensation would occur at 30C flow temp somehow 😂

2 weeks ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread

@andrewj I personally don't like domestic fan coils, people never clean the indoor units with cassettes let alone coils

2 weeks ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread

Firmware updates have massively helped with my cosy vibration/noise it seems to not run the fan that fast anymore. So very pleased 👍 Octopus...

2 weeks ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread

I am seeing a cop of 5.44 at 33C flow at 11C outside on my cosy 9. The latest round of updates and hush mode have really settled it in far more than p...

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

Octopus emailed though a new cosy guide that has way more info that might satisfy people here. It says hush mode caps compressor and fan at 60% so t...

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

@andrewj I have no heating load right now so haven't actually run it in hush mode that long. Loads of other makes have a selectable silent / quie...

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

I've had a few hours with hush mode now, seems to have helped my noise issue considerably. The fan control seems smarter, compressor noise is also dif...

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

Hush mode now released. I've not tried it yet. Should be good!

3 months ago
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RE: Renewables & Heat Pumps in the News

I would imagine they will make a carve out in G98/99 especially for these devices. Maybe a Belgium style "mini ECIR" to check you at least have dec...

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

@harrisonc mine is an early 9. I've seen it under report, but it's about 8% over on SPF. Which is very good for onboard monitoring really.

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

@harrisonc it measures electric exactly and heat within 8% of my MID meter so that's pretty damn good. It's not HA  

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

It ramps differently now and then doesn't ramp as hard afterwards, there is also much deeper modulation of the heat output. So basically it gets into ...

4 months ago
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