How to Install a Wall Oven Under a Cooktop

Written by naima manal
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How to Install a Wall Oven Under a Cooktop
Some wall oven models can be installed under a cooktop. (oven image by Evgeny Rodionov from

The placement of a wall oven under a cooktop is possible with the right cabinetry and the right size wall oven. Since the average countertop height is 36 inches, you will need to work with a single 27-inch or 30-inch oven. Installing a wall oven under the cooktop is a sleek design alternative to the look of a conventional stove unit. Unify the appearance of your kitchen's cooking appliances by selecting a wall oven that matches the cooktop.

Skill level:

Things you need

  • 2-by-4-inch wood, 8 feet long
  • Measuring tape
  • Pencil
  • Circular saw or jigsaw
  • Screws
  • Wood glue
  • Drill
  • 3/4-inch plywood, 4-by-4 feet (optional)
  • Sandpaper
  • Wrenches

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  1. 1

    Check the installation requirements for both your wall oven and hob. Consult an electrician to inspect that the electrical wiring for the cooktop and the wall oven are up to current local codes.

  2. 2

    Turn off the power supply to the wall oven and cooktop units. Each should have its own switch at the electrical box.

  3. 3

    Reinforce the opening for the wall oven with 2-by-4-inch wood stud pieces. Measure the cut-out dimensions of the wall oven and adjust the opening in the cabinetry with a circular saw or a jigsaw along the two sides, but do not cut through the cabinet runner along the base of the cabinet.

  4. 4

    Cut out the bottom of the cabinet from the inside of the cabinet to install a stronger support base for the wall oven. Cut the 2-by-4-inch wood to the width and length measurements of the base of the cabinet to make a support base frame that will rest on the floor of the kitchen. Connect the frame with wood glue and screws.

  5. 5

    Replace the bottom of the cabinet that was cut out, placing it over the stronger support base, or cut a piece of 3/4-inch-thick plywood to the width and length of the cabinet's base. Screw four screws through the base of the cabinet into the underlying support base.

  6. 6

    Insert the wall oven into the cabinet under the cooktop to check its fit before connecting the electrical supply to the oven. Make any adjustments to the fitting by sanding the sides of the opening down until it has a smooth and snug fit.

  7. 7

    Pull the wall oven out, and connect the electrical wires to the power supply. Remove the junction box cover, and insert the power line through one of the holes located on the side of the junction box. Connect the electrical wires with wire nuts. Close the junction box.

  8. 8

    Connect the wall oven's gas hose to the gas line, if your unit uses gas. Thread the hose connection to the gas line and tighten until the seal is airtight. Turn on the gas and test the connection to make sure there are no gas leaks.

  9. 9

    Position the wall oven into the cabinetry, and turn on the electrical power to test that it works. Shut off the power.

  10. 10

    Push the wall oven into the cabinetry until it is flush with the face of the cabinets. Screw the wall oven into the cabinet frame, and snap the trim covers in place to hide the screws.

  11. 11

    Attach the oven door to the wall oven unit. Turn the power back on to test that the wall oven works.

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