Desertboy
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4 ton of air con in the UK would cane ~5-6kw on it's own, I don't get why you guys don't use air cooled tubes what you lose in light you will gain in reduced leccy usage bothered about the glass robbing light use 1.5kw it'll pay I'm certain.
quick rough calculation 4000btu's * 8 32000btu's basically 3 tonne of that air con runs whilst lights on or 3/4 of 6kw 12/12 in flower which gives us 4.5kw/hour + 10kw/hour for the lights, pumps, fans, chiller so round up to 15 units an hour lights on.
I think 10lbs is 4.54kilos so 18.16 Kilos or 1.2g's/w
g/m3 of course has it's own merits beyond g/kwh.
All calculations should be g/kwh really when dealing with leccy that's how a professional greenhouse growing veg under lights will work.
While I'm playing the numbers game let's see if I can guess doubleds g/kwh
2 weeks veg 18/6 * 15 = 1890 units for veg in the main room
9 weeks flower 12/12 *15 =11340 units for an average 9 week strain.
13230 units /18160 g's = 0.72 units/g or
18160/13230 = 1.37 g/kwh which is very very good.
This factors none of veg costs before they go into the main room or any power for night usage
i think it should stay g/w for comparison purposes. i understand wanting to know your efficiency for personal reasons but itd vary too much from location to location, like some ppl dont have to use alot of A/C and some dont use much to keep temps the same
i guess if you have to have a figure to brag about then you can calculate it however you want . people with legal plant counts usually could give a flying fuck how much juice they use
Sorry I live in a country where they're is no legal growing and I'm persecuted.
Also sorry that I slightly care about my environment but I guess it's meaningless to you guys because you too fucking stoned. :evilgrin (I'm only jealous)
By the way I don't sell my weed but at $200 a month in leccy I'd like a bit of efficiency.
The trade off between yield and quality is strain more than anything.
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