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Octopus Cosy Heat Pump Owners & Discussion Thread

 
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Air Source Heat Pumps (ASHPs)
Last Post by AndrewJ 1 hour ago
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 AndrewJ
(@andrewj)
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Joined: 1 year ago
Posts: 212
Topic starter 16/05/2026 7:57 pm  

@swwils mine is mostly off now.  Hot water for an hour 02:30 to 03:30 then heating to 21c from 03:30 to 05:30 although in reality it will only come for a short period to bring the house temp back up to that temp.  This is giving overall COPs of <4 with the OAT in single figures right now, but a quick calc of the heating only COP from this morning gives 4.08 at 7.4c.

What would be very useful is if you could describe your system, in some detail: how you have it set up, how you run it, hub parameters etc.  

 



   
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