Last seen: Dec 1, 2025
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...
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...
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...
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...
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 ...
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...
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...
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...
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...
Hello @Curlykatie, How much hot water do you get through as a family? 300L is decent sized cylinder, charging for 1hr a day should be plenty assumin...
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RE: Our journey through Octopus tariffs 2020-2025
@judith its interesting to see the 6.5kw array is at ju...
By Tim441 , 8 minutes ago
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RE: Jokes and fun posts about heat pumps and renewables
By Morgan , 13 minutes ago
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RE: Replacing my 18 month old Hitachi Yutaki ASHP
@jamespa Looking at setting up the weather compensat...
By JamesPa , 33 minutes ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
@benson — thank you, that is useful information you hav...
By cathodeRay , 2 hours ago
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RE: Are Water Companies Delivering Bricks?!
I also couldn't do without a water softener when I live...
By Morgan , 3 hours ago
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RE: Grant Aerona circulation/system pump staying on
My parameters are: 42 00 = 0 (so the next three value...
By MikeFl , 3 hours ago
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RE: Electricity price predictions
My apologies. I should've written "The number and dep...
By Transparent , 3 hours ago
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RE: Solar panels on side of house to heat water
I wouldn’t try a direct linked system of DC at all sinc...
By Judith , 3 hours ago
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RE: Flow rate discrepancy between ASHP and manifold
@ashrolls Air circulating in the system will confuse fl...
By bornagain , 3 hours ago
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RE: Help…my NIBE heat pump has faulted again!
If it happens only when it gets cold then it maybe that...
By JamesPa , 4 hours ago
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RE: Grant Aerona3 - Home Assistant control via Modbus
Has anyone got past this screen to set up the integrati...
By AlanW1212 , 4 hours ago
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RE: Heat Pump Training vs. Real-World Installation
@lucia have you discoveredfor how green each of our ene...
By Judith , 4 hours ago
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RE: Diagnostic Data Needed for Repeatedly Failing Tesla Powerwall 3 System
You seem to be on the right track... Installers are rec...
By Batpred , 13 hours ago
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RE: Should Our Water Circulation Pump Be Configured to Run All The Time?
there's a detect cycle setting (4200) on the old grant ...
By damonc , 15 hours ago
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RE: Commencing on an ASHP Installation Process
@sheriff-fatman It's also worth highlighting that th...
By Lucia , 16 hours ago
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RE: Hitachi Yutaki SCombi Heat Pump - Owners
. It does but, unless there has been a firmware updat...
By JamesPa , 18 hours ago
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RE: Help me keep the faith with my air source heat pump installation
Yesterday it was chilly and the cosy6 had a Cop of 4.3 ...
By AgentGeorge , 20 hours ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@toodles Same here! This month 187kw.
By Andris , 21 hours ago
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@jamespa Ah, they do indeed do firmware updates very oc...
By Toodles , 1 day ago
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I’m trying to rule out a fault, could owners of above c...
By Unsure , 1 day ago


