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AllyFish
@allyfish
Contributor
Noble Member
4216 kWhs
Joined: Oct 31, 2022
Last seen: Mar 19, 2025
Profile Activity
Topics: 22 / Replies: 457
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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...

2 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...

2 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...

2 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...

2 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...

2 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 ...

2 years ago
Forum
Wood Burners, Biomass, Small Scale, Biofuels & Other Heating Alternatives
Topic
The Seven Deadly Sins of bad ASHP install
2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 8
Views: 1766
Reply
RE: Ecodan tank temperature oddity

Same with the Grant pre-plumbed cylinder and digital thermostat. My 250L tank shows all manner of random temperatures after drawing hot water. I think...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Controllers for pumps

Does the Hive also control and program your DHW? My installer fitted a Grant time clock for that. My Hive room thermostat is only for heating. The H...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Outdoor monobloc frost valve insulator
2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 1
Views: 854
Reply
RE: 17kw Grant Aerona heat pump not performing

You're consuming significantly less kWh per day after the cold snap with the WC enabled than you were before at comparable outdoor temperatures. So th...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: A2A as an interim ASHP measure

Some of the A2W ASHPs also can cool in summer. Most can, they are all reversible circuit heat pumps. But for MCS and 'renewable' restrictions in the U...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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