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KevH
@kevh
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Eminent Member
Joined: Mar 29, 2025
Last seen: Feb 27, 2026
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Topics: 0 / Replies: 33
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread

Ah, yes, so the effect is to shift the WCC towards the cold end by about 5c, so that at -10c OAT your FT is around 46c? Sounds interesting. As @and...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread

This is very interesting and is something I was totally unaware of until now. If I understand correctly, you have adjusted the ends of the WCC which...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Cosy home (?)

That's a similar sized house to mine, also fully insulated, which also loses about 0.4/0.5c per hour on average. I can only think that we lose heat ...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread

This is disappointing. Surely the engineer who called would have known this before he got in his van. I can only assume that he was expecting to fin...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread

@andrewj Watching with interest. I think that your interpretation of your data makes sense, in that the cold weather end of the WC curve does appear ...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread

@jamesPA TJ actually recommends the warm weather value should be +15c above target temperature so if you are aiming for indoor temp of 20c, then that ...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread

@jamespa Yes, I now get that the 50c top end of the wc range is too high, though I I can still try dropping the setting back for 5 nights (55 to 50) a...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread

@andrewj @jamespa I just want to thank you both for the discussion that you have shared over the past few days, it has been so informative. I have f...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread

@andrewj Bear with me, this is my first post on this forum although I have lurked for a while, and have just come across this thread. Given the numbe...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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