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AndrewJ
@andrewj
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Reputable Member
Joined: Jan 8, 2025
Last seen: Jun 13, 2026
Topics: 10 / Replies: 210
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RE: Several AC coupled batteries

I think with any size of heat pump you are likely to break the limit on the 3kW inverter and pull from the grid. I don’t feel qualified to comment on...

2 days ago
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RE: Heresy? or pragmatic engineering? - a suggestion for the a segment of the 'failed boiler/distress purchase' market'

@ashp-bobba blimey! That's the sort of price that is going to make someone say "forget it, bang a new boiler in". A distressed purchase decision is ...

2 weeks ago
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RE: Heresy? or pragmatic engineering? - a suggestion for the a segment of the 'failed boiler/distress purchase' market'

It wasn't a criticism, just a thought that this interesting info might get lost! I can see how it can (may??) help. By not changing the cylinder, is...

2 weeks ago
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RE: Heresy? or pragmatic engineering? - a suggestion for the a segment of the 'failed boiler/distress purchase' market'

This veering of the topic onto cylinders etc is really interesting but should be in its own thread to make it easier to find in the future. A convers...

2 weeks ago
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RE: Heresy? or pragmatic engineering? - a suggestion for the a segment of the 'failed boiler/distress purchase' market'

@temperature_gradient my point was to minimise the emergency install stress by giving people access to the grant beforehand to make their house “renew...

2 weeks ago
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RE: Heresy? or pragmatic engineering? - a suggestion for the a segment of the 'failed boiler/distress purchase' market'

I like the idea but would approach it in a different way. At the point of distress purchase, people’s minds are on getting the heating and hot water ...

2 weeks ago
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RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!

@l2jad I was just thinking all things being equal. Our hot water usage doesn’t really change day-on-day so 1 hour is enough; just wondered if you had ...

3 weeks ago
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RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!

@l2jad do you find that the hot water takes longer to heat up with hush mode turned on? I haven’t tried it yet and currently hot water is scheduled f...

3 weeks ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread

@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 fo...

4 weeks ago
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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...

1 month ago
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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...

1 month ago
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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.....

1 month ago
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