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Last seen: May 17, 2026
@swwils there is no logic to oversizing a heat pump. It wastes energy keeping a large compressor and heat exchanger running. you got the 9kW cosy as...
@andrewj i refused a daikin 8kW as it was over powered for the heat loss calcs I did their calcs were 20% higher until I challenged them to redo the...
@chandykris ive mentioned previously i researched heat pumps for over a year, reading mars’ forum extensively. I learnt R290 was the new gas, which id...
@chandykris In the winter period, i boost the temp during the 8 cosy hours by 0.5C, and the 4-7p period drop it by 0.5C This gave me 85%+ usage o...
@andrewj got an astounding COP over 6 today Has Octopus changed something on my Cosy6
@harrisonc sound meter App is available for iphone, I have one called NIOSH SLM
Maybe you can email Greg and ask him to come on a pod cast of yours and talk about Hush Mode and if it’s available for Cosy6,9,12 He's always doing ...
@jamespa having a battery the day rate tariff becomes the nighttime one I'm currently at 98% usage at night time rate with a 5kW battery. I looked a...
@majordennisbloodnok i was ferkling in the growatt App as i recalled i altered the inverter time differently last change, and eventually found the ...
I have a Cosy6, it draws 1.6kWh on DHW cycle, your Ecodan is taking allot of power, using your figures its COP 2 I trialled DHW cycle during my cosy...
had an interesting day, i exported more than the PV was generating, and not from the battery which is snoozing for the sumner &nbs...
@majordennisbloodnok i dont, i was looking at doing it, but im in middle of renovations and need to build the new staircase and batton snd insulate al...
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Latest Posts
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RE: Heat pump installation quotations
I'm a little confused as to what rubber you mean. Does ...
By Majordennisbloodnok , 5 minutes ago
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We had a discussion elsewhere about protection devices ...
By Batpred , 54 minutes ago
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RE: Harvest Thermal - ASHP with a smart thermal battery
@etchedpixels My comment was in reply to @jamespa comme...
By Toodles , 3 hours ago
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1: Why are you thinking there would be a pump on an UFH...
By Transparent , 5 hours ago
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RE: Heat pump done right first time? Installation in Kent.
Thank you for that, @wanttobegreen. Information like th...
By Majordennisbloodnok , 6 hours ago
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Floor standing brackets for K3 rads
My neighbour is a plumber and said I would need to fit ...
By Singlespeed , 19 hours ago
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After an intense recode, I’m pleased to announce that w...
By Mars , 19 hours ago
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Hopefully this will answer your question. To...
By ASHP-BOBBA , 22 hours ago
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RE: Help me keep the faith with my air source heat pump installation
I would be interested to find out if others do this and...
By ASHP-BOBBA , 22 hours ago
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Don't you dare. You just carry on as you are; as @batpr...
By Majordennisbloodnok , 24 hours ago
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RE: Heat pump design review please: 5 kW Vaillant aroTHERM Plus heat pump
@ragtime27 some rooms in our house only have one place ...
By Judith , 24 hours ago
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RE: Several AC coupled batteries
That is a good point, a manufacturers can stop trading,...
By Batpred , 1 day ago
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RE: Indevolt Batteries UK Support & Info Thread
Hi @hanno - good question. The range of hybrid invert...
By Transparent , 1 day ago
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RE: GivEnergy inverter tripping due to over-voltage?
@transparent the inverter was installed in 2021 and afa...
By Tim441 , 1 day ago



