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Last seen: Oct 2, 2026
@andris Octopus installed my heatpump, they recommended 8kW. I negotiated for a 6kW (nominal 5.6kW) cosy6. It barely kept the house warm last winter. ...
Just furkled Into the parameter menu. Found the master inverter has a max output of 3kW. This is the max it can ask the Battery Pack for. The PV c...
@rob-of-york The 2 inverters are not in parallel, but series. The PV inverter routes its power to the battery inverter, which charges and discharges...
@rob-of-york i know about G98 cert. My PV installer initially proposed 10 panels so I didnt go over that limit and they could install next day. I want...
@old_scientist wherever a lithium power cell is located is irrelevant to wether your house will burn down. recall the houses in Kidderminster next t...
@papahuhu having seen videos of houses burned to the ground because of cheap batteries, wouldn't buy one from amazoom or ewebay
@old_scientist The restriction on how much you can export is set by the DNO and you need the G99 to export above 3.6kW per phase, which has to be appl...
@old_scientist its not the size of the battery that limits my system, I can easily add a second or 3rd/4th one. Its stackable. What is the issue is th...
@toodles i have found the limit on the inverter causes me to use grid power if we cook at 6pm in the winter. Summer we get 2.5kW off the battery and 5...
@gz00 i have used cosy tariff for past year and found it works well for me. i have the temp set at 20 all day, we like it cooler as we have UFH too....
@old_scientist fragmented heating policy, is it on other heating products; oil, wood, bio mass?
@majordennisbloodnok whenever anyone mentions poly-ticks, Im always smiling as I re-run the dead parrot sketch in my mind. anyway, do i understand the...
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Latest Posts
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
... And that's being generous! I'll tell you a littl...
By SusannaSaunders , 2 hours ago
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RE: Adding data centre electricity costs to domestic energy bills?
never ceases to amaze me.. Keeping steel works going ...
By Batpred , 2 hours ago
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RE: Electricity price predictions
great session Reminds me why some politicians can be ha...
By Batpred , 3 hours ago
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RE: Boiler Upgrade Scheme funding reduced by circa £750 million in 2026 budget
Absolutely agree. The massive Hager CU my vaillant requ...
By Batpred , 3 hours ago
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RE: Why don't people choose heat pumps?
With a heatpump tariff, it should be cheaper to operate...
By Batpred , 3 hours ago
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RE: How much of your renewable and home setup would still work if the internet went down?
absolutely agree. even if many providers see that extra...
By Batpred , 3 hours ago
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RE: Octopussy cosy 6 experience
People who have a Cosy appear generally to be happy wit...
By JamesPa , 7 hours ago
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I thought the cr*p came first and the biofuel came afte...
By Majordennisbloodnok , 10 hours ago
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RE: Aerotherm and weather compensation
@jamespa I replied yesterday with detailed readings whi...
By DavidB , 2 days ago
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RE: Marvel Heating liquidation
@editor This is an important point. each winter, you...
By davidnolan22 , 3 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
Very nice. we’ve been super soggy here, but rather m...
By Papahuhu , 3 days ago
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RE: DIY powerflushing tutorial
Interesting! I toyed with the idea too. But I installed...
By bobflux , 3 days ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews Agree with the others on sequence: loft first...
By mk1234 , 4 days ago
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RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
Heating been on for 4 weeks now, continuous. It's 6C o...
By trebor12345 , 5 days ago


