total cubic square footage of my living room is approximately 3607 cubic feet, room is 22' X 16' plus a 6' X 6.6' foyer, ceiling in foyer is 8', and vaulted ceiling in living room is 10.7', i have 3 openings, a 2.5' opening into my kitchen, 6' opening into the dinning room, and a 3' opening into...