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AllyFish
@allyfish
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Noble Member
Joined: Oct 31, 2022
Last seen: Sep 15, 2025
Profile Activity
Topics: 23 / Replies: 473
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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)
Reply
RE: Octopus Energy launches heat pump as cheap as a gas boiler

The economy of manufacturing scale comes into it, with Octopus' backing, RED will have more purchasing power for the major ASHP components. I'm person...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Boxing in your cylinders.

@marvinator80 good on them. I wish my installer hadn't now, as it adds nothing and probably robs efficiency. It may be coming out one day. I don't nee...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Boxing in your cylinders.

@marvinator80 WOW! Absolutely fantastic. Very tidy.Out of interest, did your installer fit a low loss header and secondary pump or not? I don't see on...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Our Grant Aerona R32 13kW ASHP installation

That's pretty good. I'm sitting around 920kWh for the last rolling month, but that's mains power. My solar PV contribution has been around 150-180kWh ...

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

It's a lot better than HIVE, which was cycling 5+ times per hour with me! Just leave it set to a high temperature and use climate/weather compensation...

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

@sirpatchuk1980 ASHPs work best when continuously running. Less wear and tear and better efficiency. The outdoor unit has in built stop/start cycle pr...

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

@sirpatchuk1980 (sorry @aceshigh) just chipping in. Looks like your Grant controller is hidden away with some of the pipework and system components. I...

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

Hello @sirpatchuk1980, welcome. Lots of useful info on here on how to maximise efficiency of ASHPs, especially retrofits. First things first, a bit of...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Combustion Source Heat Pump?

Grant do their Vortex oil boiler as a hybrid - basically an outdoor vortex combustion boiler plonked on the same base as one of their (well, Chofu's) ...

3 years ago
Forum
Wood Burners, Biomass, Small Scale, Biofuels & Other Heating Alternatives
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