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Last seen: Feb 3, 2026
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.
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...
@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...
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.
@batpred I started reading this thread thinking I would be reading about you configuring predbat based on your user name. 🤣 is there any re...
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Have you considered keeping your FF boiler and suppleme...
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