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AndrewJ
@andrewj
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Joined: Jan 8, 2025
Last seen: Nov 29, 2025
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Topics: 8 / Replies: 119
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Reply
RE: Octopus Cosy Heat Pump Owners & Discussion Thread

Like I said in my earlier post above, the Cosy is designed to operate in a cycling manner: that is, it is controlled solely by the temperature reading...

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Octopus Cosy Heat Pump Owners & Discussion Thread

I have the radiators balanced and all TRVs fully open. I wanted to understand more about how the Cosy actually worked, seeing if anyone else had trie...

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Octopus Cosy Heat Pump Owners & Discussion Thread

@wreckguru That was my thoughts as well (although a £12k difference in price). Have you tried running your Cosy by upping the requested temperature ...

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

@editor Well, myself as well. I think it would be great if you could get someone from Octopus to talk to you about their technology and design decisi...

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Octopus Cosy Heat Pump Owners & Discussion Thread
1 month ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 154
Views: 3212
Reply
RE: Why does an ASHP provide a more comfortable environment than a gas boiler?

Actually, I think the issue is the different rate of heat loss of rooms when the system is on/off. If the heating doesn't stay on long enough to brin...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Why does an ASHP provide a more comfortable environment than a gas boiler?

It was more of a "Why does this house still have cold rooms when we've just spent £6.5k?" sort of explanation! She wouldn't be interested in the twea...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Why does an ASHP provide a more comfortable environment than a gas boiler?

A bit more info. The Cosy App has the Target Temp to reach, and an internal temp measured by the Primary Pod sensor positioned somewhere in the house...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Why does an ASHP provide a more comfortable environment than a gas boiler?

It's difficult of course as a customer to challenge beyond showing them the historic data and whilst being informed, not being an expert in this stuff...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Why does an ASHP provide a more comfortable environment than a gas boiler?

You can adjust flow temperatures as shown in my image on an earlier post but have no access to anything more granular. Octopus would have to do that....

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Why does an ASHP provide a more comfortable environment than a gas boiler?

Sorry, my mistake. For heating, it was a total of 8937kWh and for hot water it was 2221kWh. This was gas usage figures for Feb 24 to Jan 25 taken fr...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Why does an ASHP provide a more comfortable environment than a gas boiler?

I don't really know what I should be expecting to see as it's the first time it's been used for heating. Last night was around 5c here; I'm trying to...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
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