Can't this be implemented on a bigger fan? I mean a PC fan won't shift 900m3 I'd need thousands lol

Well I can say plant numbers I plant 200 expect 150 and then keep 30 to grow with If your on about breeding, there self pollinating both male and female flower, here is humidity, which is why I need constant room movement, stops stale air and controls more even humidity, if your growing multiple str...

Well I need constant movement for negative pressure in the unit, stopping and starting would cause hotspot with no circulation and instable humidity, And yeah you could say I'm doing a farm lol although not what your hoping I presume lol, that's unless your into hot chillies :lol: http://i66.tinypic...

the room is naturaly hot, the fan simly pulls air though which cools it, but nightime it cools down so fan needs to run slower, nah the fan is 1 speed only, il show an example of whats curently about http://www.ebay.co.uk/itm/SMS-Single-Thermostatic-Smart-Fan-Controller-With-Probe-5-Amp-Hydroponics-...

I want to control a room that uses a 8inch fan around 100watt
Basicly I want day temp at 27 and night at 20, the fan I have they make these already but 80£ so thought if I can do it cheaper ?
Nothing fancy just temp control altering the fans power and 2 settings day and night