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AllyFish
@allyfish
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Noble Member
Joined: Oct 31, 2022
Last seen: Aug 20, 2025
Profile Activity
Topics: 23 / Replies: 471
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RE: replace large outdoor unit with smaller one

55m2 is a very small heated area, a 5kW unit would provide 90W/m2, which is at the higher end of the 65-85W/m2 'typical installed heating load' for a ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Smart metre installation – seamless or a potential nightmare?

AFAIK, SMETS2 2nd generation smart meters are able to share data between suppliers. Each energy supply company will partner with a 3rd party smart met...

2 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Smart metre installation – seamless or a potential nightmare?

It was straight forward for me. External metre box, my then supplier OVO installed the smart meter. I was pleasantly surprised that, even though it wa...

2 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Electricity price predictions

Pop a tablet mate 😉

2 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: 17kw Grant Aerona heat pump not performing

@mike-patrick I have the same Grant Aerona 10kW unit. You can used the controller to access some real-time data, but it's approximate and rounded. Tha...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 17kw Grant Aerona heat pump not performing

Oh dear, that's a worry. The Grant engineer doesn't know how the Chofu/Grant ASHP works. It has a fixed speed/head curve pump, flow rate is constant r...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Electricity price predictions

@jeff thank you. The above might just as well be carved on the tombstone of the Government BUS scheme when they quietly scrap it later this year./p> ...

3 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Low Loss Header is losing 1.5c from flow temperature

@sunandair Derek is bang on. More flow on the secondary side than the primary means cooler return water from your radiators mixes with primary heated ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Safety precautions - lithium solar PV storage batteries indoors

It's worth noting that the destructive failure tests in the video were on battery cells not encased in any housing or enclosure.

3 years ago
Forum
Energy Storage
Reply
RE: Safety precautions - lithium solar PV storage batteries indoors

@dak51 interesting. Sadly the talk of BritishVolt's planned EV battery manufacturing plant at Blyth now has a very hollow ring. I have a 6.5kWh Grow...

3 years ago
Forum
Energy Storage
Reply
RE: Cosy Octopus - New ASHP tarrif

OK, first full monthly billing period with Cosy Octopus, and, combined with a 6.5kWh battery charged at cheap rate periods, it has saved me 25% compar...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 17kw Grant Aerona heat pump not performing

Grant make the assumption that higher leaving water temperatures have a higher delta T between flow and return, compared to lower temperatures. For th...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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