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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: Heat pump branding. Clever, contemporary… or a bit too much?
I think Heat Geek have done an amazing job on their bra...
By Tomtheheatingengineer , 1 hour ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
I have just had 3 heat loss surveys, one by heat geek o...
By David , 1 hour ago
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RE: Heat Geek Zero Disrupt: Are We Sleepwalking Into Another Race to the Bottom?
I think that's the key question. After all inverter uni...
By Prunus , 3 hours ago
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RE: battery storage without solar
As of October 1st they need specific qualifications to ...
By EtchedPixels , 4 hours ago
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RE: How should the Boiler Upgrade Scheme be reformed?
A unit which uses water to transfer the heat/chill from...
By Temperature_Gradient , 4 hours ago
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RE: Renewables & Heat Pumps in the News
With regards to the BUS grant raid, I gave it more thou...
By ASHP-BOBBA , 4 hours ago
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RE: Why are ASHP installs so expensive?
The whole system seems to work on the basis of...
By ian33a , 5 hours ago
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RE: Missing flow temperature in Heat Geek proposal
Good plan. If you can get half hourly meter readings a...
By JamesPa , 10 hours ago
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RE: Heat Pumps Without Grants: Would You Have Installed One & Will You Now?
@editor Most certainly. The heat pump was an ideal s...
By Abernyte , 10 hours ago
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Although regulations may well vary from country to coun...
By Majordennisbloodnok , 11 hours ago
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RE: Does anyone have experience of a smart water meter?
Yep I caught our slow leak from a £100 bill rise 8)
By EtchedPixels , 11 hours ago
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RE: Do You Need a Buffer Tank or Low Loss Header for Underfloor Heating in a Large Property?
@jamespa in some cases, failing the Turing test might b...
By GrahamF , 14 hours ago
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RE: Passiv Smart Thermostat - Help & Forum Support
@energystoragetech The heat capacity of some...
By JamesPa , 15 hours ago
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RE: tepeo ZEB UK Support & Info Thread
Sorry you are correct, I was remembering figures from t...
By JamesPa , 1 day ago



