Wow i really suck at Sketchup - haven't used it in years. Anyway, while crude I hope this conveys what I mean:


The white shelves are supposed to be your equipment rack, then build a 2x4 wall with or without 'roof' to slide in place around the shelves to block the sound from all your HVAC equipment.

Dan
On-Wall M5HP LCR, QS8 & EP500 in 7.1