How to Install a Range Hood
Time Required: Over 1 day
Before you purchase a range hood check its fan’s cfm rating. This indicates the number of cubic feet of air it pulls per minute. Choose a fan with a cfm rating that is double the square footage of your kitchen.
- Remove the filter, fan and electrical housing cover from the range hood.
- Use a hammer and screwdriver to remove the knockouts for the electrical cable and the duct.
- Hold the hood in place and mark the holes for the duct and the cable.
- Connect the dots between the holes on the outside to mark the outline of the hole.
- Use a reciprocating saw, saber saw with an extra-long blade, or keyhole saw to cut the outline.
- Remove insulation or debris that would interfere with installing the duct.
- Push the wall cap into the wall to see if the duct is long enough to reach the range hood.
- If not, purchase an extension and attach it with sheet metal screws and duct tape.
- Apply caulk to the siding where the cap flange will rest.
- Push the cap into place and fasten with screws.
- Caulk the perimeter of the flange.
- Shut off power to the circuit.
- Run cable from a nearby receptacle or junction box through the hole in the wall.
- Strip the sheathing and clamp the cable to the range hood electrical knockout.
- Mount the hood securely by driving screws into studs or adjacent cabinets.
- Splice the white wire to the white fixture lead, black wire to black lead, and the ground wire to the green lead.
- Fold the wires into place and replace the electrical cover.
- Reattach the fan and filter.
- Restore power and test.
- Use a long masonry bit to drill the locator holes.
- Draw the outline carefully, double-checking that you can slip in the vent with room to spare.
- Drill holes about every inch along the outline.
- Use a hammer and cold chisel to chip between the holes.