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L2jad
@l2jad
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Eminent Member
Joined: Feb 2, 2026
Last seen: Feb 18, 2026
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Topics: 0 / Replies: 25
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RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!

When sensor was at top it got hot very quickly. Not over bothered as we have a lot of hot water. Just seems to get to a temperature and doesn’t get ho...

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

As a secondary, how is your water temperature, as you know my sensor was moved to bottom of cylinder yesterday, 2 hours gets to 46 degrees, 3 hours ge...

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

@harriworld yes temperature does affect it have noticed that, last weekend was zero and i was asked to report back to octopus, which i have. i had exp...

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

Me again just to keep you all informed. still an on going saga, had engineers out, moved hot water sensor to bottom of tank as 300l was only enough ...

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

I think once you have a hp installed with the grant you can’t go back to a boiler? I must admit i haven’t tried to go above 19 degrees as that's co...

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

Well last night i set the system how i want it to run17.5 day and night with 18.5 afternoon and evening. Hit water early hours as i’m on iog. Their fi...

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

@harriworld it was roughly 3am for an hour as that’s my cheap iog time, my water heats to 50 degree quickly as its generally still quite high in the...

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

@harriworld yes mine although better is still not right, had to turn it off at 2am was just going mad. Way too loud!! i am setting up the deci meter...

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

@razz its a 4 port system they installed

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

Right had a call with their chief design lady today, long chat about problem, lovely lady, fiddled with my system from their end, very quiet, I’m goin...

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

@harriworld it’s with the octopus technical team in Ni at the moment my lead installer raised it when he commissioned the system, he could hear how ba...

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

@harriworld its one of my worries with my cosy 12, my nearest neighbour is 20m away, we are all detached houses, i have known my neighbours for 30 ye...

4 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
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