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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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RE: Install a Grant Aerona 13kW instead of Mitsubishi Ecodan 11.2kW?

Hi @kitkad, I have a Grant Aerona 10kW installed since Oct last year. It struggled a little in the December cold snap, mainly due to the time it was s...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: No heat in radiators since heat pump failure

Radiators that are only getting warm at the bottom only sounds like they are full of air. Easy to check that one. Has the Ecodan got either a manual f...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Massive Electricity Cost

A cylinder should last more than 6 years. It could have had a manufacturing fault, but the picture seems to suggest it corroded from the inside out. B...

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

You weren't tempted by the Grant integrated cylinders then? They come at a premium, but look rather smart./p>

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

Bad news and good news. We have about 500litres of oil in our tank, which I'm gravity dispensing to a couple of neighbours below my house c/o a long...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Cosy Octopus - New ASHP tarrif

@transparent you make some very valid points. OK, I was hasty. I have crunched some numbers, and looked more in detail at the Octopus Cosy tariff prod...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: The Seven Deadly Sins of bad ASHP install

Wow, 60degC flow temperature. There must be artificial intelligence there at work as there's no human intelligence. Great that you were able to fix it...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Cosy Octopus - New ASHP tarrif

Looking at the Octopus Cosy tariff and set times per day, one thing comes to mind. Octopus' marketing department do not own ASHPs and fundamentally do...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is my Daikin Altherma 11kW heat pump oversized?

I've done similar with my Grant Aerona 10kW. Room t/stat set to 24degC. Warm end of WC is 32degC at 20degC. My main thermostat is a Hive, which I've...

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

Excellent idea @marvinator80 to have the lined flue not boxed in and to benefit from some heat upstairs. 🙂 Grant installed a Hive thermostat with m...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Installation starts on Monday

Good luck. From my experience here's the hit list for a Grant G1 installer: 1. Ensure the installers use the Grant controller that comes with the Ae...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Wood burning stoves

We have a 10yr old Bohemia Regent 5kW stove as secondary heating. A fairly cheap sheet steel multifuel burner. It's lit every night in the winter and ...

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