Here's an update on my gear after few changes.
I currently have:
-Antminer S9 14.1Th/s (in the soundproof cabinet)
-Antminer S9 12.9Th/s (in the soundproof cabinet)
-Antminer S9 11.85Th/s
-Antminer S9 9.8Th/s (with the Enermax PSU)
-Antminer S7-LN 2.3Th/s  (modded by sidehack)

altcoin mining gear: 4x Baikal Mini Miner 150Mh/s (at the bottom of the shelf)

(Click for bigger picture)