Minimum to cabinets on either sides of the range Ww Opening width lg 30” Min. 2 To wall either side” | 36" Opening width w 30" Model 30" (762mm) 36" Model 36" (914mm) 48" Model 48" (1219mm) 60" Model 60" (1520mm) Exhaust Hood Installation The bottom of the hood should be 30" min. to 36" above the counter top. This would typically result in the bottom of the hood being 66" to 72" above the floor. These dimensions provide safe and efficient operation of the hood. After Installation: 1.