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AndrewJ
@andrewj
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Joined: Jan 8, 2025
Last seen: Sep 17, 2026
Profile Activity
Topics: 12 / Replies: 235
AllTopicsReplies
Reply
A year of running, and summary of experience

I have had my Cosy 9 installed and running for a year on 8th May. My house, to recap, is a Finnish timber frame design, 164sqM, detached over two floo...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is Traditional Radiator Balancing Tosh?

Which I can empirically vouch for. Further, you may even find, as I do, that thermostatically controlling the system can lead to oddities such as hav...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Cleaning solar panels

Well, turns out a DIY job isn't going to happen. Even on a step ladder with a 8-10m telescopic pole I can only reach the gutters! That's that then.....

5 months ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Cleaning solar panels

@toodles Good to know. I will give it a go with my telescopic pole and if it works great. I don't know what the cost is per panel, but if it comes t...

5 months ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Cleaning solar panels

Interesting perspectives. I'm definitely not climbing on a roof so I'll see if I can reach them from a step ladder with a long washing pole and rinse...

5 months ago
Forum
Solar Photovoltaic (PV)
Topic
Cleaning solar panels
5 months ago
Forum
Solar Photovoltaic (PV)
Replies: 14
Views: 2055
Reply
RE: Octopus Cosy Heat Pump Owners & Discussion Thread

To be fair to Octopus customers, it would be better if we could get detailed information from a more official channel and less cryptic source than a S...

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

I take it “a few hours” is just a figure of speech and you’ve had it turned on for some time? Reports seem to be positive but it’s such an odd time o...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Summer usage. Why is my Vaillant Aerotherm using so much energy on "heating"?

I don’t know how the Aerotherm works so can’t comment on that. Looking at the graph, and as long as I haven’t misinterpreted it, it seems to be showi...

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

@agentgeorge no idea if they’ve made changes, but I got 5.16 which is amazing. Mind you OAT was over 12c whilst hot water and heating was on; it’s be...

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

@editor yep - I commented just to see if I’d get notified, and I did 😀

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

Ok. This was a thread I started!  

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
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