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Last seen: Aug 16, 2026
@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...
@chandykris you mentioned doubling the capacity i looked at that and it appeared as simple as getting another 5kW brick and plugging it on top, firs...
@editor its not the battery that has the issue, its the growatt 5000 battery charger/inverter. it is internet connected but needs a prompt to change...
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Latest Posts
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RE: Where heat loss surveys seem to go against practical reality
@rob-of-york Interesting that you mentioned this as an ...
By ian33a , 21 minutes ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
@bobflux The hydraulic simulator is very interesting...
By Rob of York , 2 hours ago
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RE: 7kW EV Charger Options Advice
Thanks. Yes, we have patchy 4G. The only option we had ...
By Rusty , 7 hours ago
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RE: Being screwed over by Volkswagen Audi Group
Thanks, @batpred. That integration is the one I have in...
By Majordennisbloodnok , 22 hours ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
@batpred I suspect it will be more this year. I had 9 ...
By AndrewJ , 22 hours ago
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RE: Surface mount or bury primaries for heat pump installation?
@jamespa It's rusting 🙂
By tomasmcguinness , 23 hours ago
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RE: Glass lined Cylinder for private water supply
Thank you, once again, for your replies. Yes...
By ian33a , 1 day ago
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It’s been out a few days and Amazon has already attache...
By Mars , 1 day ago
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RE: Missing flow temperature in Heat Geek proposal
Yes, and this is another point I agree. We did find a f...
By Batpred , 1 day ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
A very good point. In effect, the DHW pipework is an em...
By cathodeRay , 1 day ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@tim441 Here are those same three month periods for 202...
By Toodles , 3 days ago
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RE: Adding additional Solar Panels to a DC coupled battery system
@transparent thank you for your reply above. As alway...
By Old_Scientist , 4 days ago
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RE: Adventures in heat loss calculations
@rob-of-york — thanks for posting this, all very useful...
By cathodeRay , 6 days ago



