Less Than 300 CFMs Range Hoods

Ducted (Vented)

Removes impure air through installed ductwork

Ductless (Non-Vented)

Recirculates filtered air into space, easy install

Convertible

Ductless functionality or switch to install ducted

Less than 300 CFMs

Work best with cooktops less than 30,000 BTU

300-599 CFMs

Work best with cooktops 30,000-59,900 BTU

600-899 CFMs

Work best with cooktops 60,000-89,900 BTU

900-1199 CFMs

Work best with cooktops 90,000-119,900 BTU

1200 CFMs or More

Work best with cooktops 120,000 BTU or more

External Unit

Mounts on the roof or outside wall

In-line Unit

Mounts outside the hood, but is stored inside the house

Internal Unit

Self-contained unit within the hood

Assembly Required

Level of assembly may vary by product

Fully Assembled

No assembly required