5.5' x 5.5' x 8' room
400W Metal Halide bulb $90
400W Digital Ballast $170
2.5'X2.5' reflector hood $45
Electrical cord for bulb $10
Mogul bulb Socket $10
5" Duct fan $30
3" Rotating desk fan $20
4' Flourescent shop lights $20 Each x3 (for starting out seeds-seedlings)
4' Flourescent bulbs $4 Each x6 (for starting out seeds-seedlings)
jiffy heat mat and propagator dome $45
thats a grand total of $504 canadian (all numbers are approximate and have been rounded.. i dont have receipts for anything... Ive been adding to this collection slowly, so its never felt like a 500 dollar hit to the bank account.
please note this does not include pots, soil, seeds, fertilizer, or any hydroponic equipment depending on your methods... i wont even get into my hydro stuff.
hope this helps, cheers
EDIT: also i didnt include any necessary ducting for exhuast fan, or intake holes etc.