my 1st grow, I grew 2 awesome white berry plants with just cfl's and a 2' 4 bulb t5. i used 6 23w cfl's, a 3 light strip with 3 y connectors. i got over an oz on each plant, and all done in my closet, with no vent. i kept door cracked open when the lights were on for fresh air, and heat release.