How To Install Under Cabinet Microwave?

Installing an under cabinet microwave is a fantastic way to save space in your kitchen while adding convenience to your cooking routine. These sleek appliances not only serve as a space-saving solution but also enhance the aesthetics of your kitchen. Before diving into the installation process, it’s crucial to gather the necessary tools and ensure that your chosen location meets the requirements for safe and efficient operation.

Pre-Installation Checklist:

Tools and Materials:

Before beginning the installation, make sure you have the following tools and materials ready:

  1. Under cabinet microwave
  2. Mounting template (usually provided with the microwave)
  3. Drill with drill bits
  4. Screwdriver (both Phillips and flat-head)
  5. Stud finder
  6. Measuring tape
  7. Pencil or marker
  8. Screws and anchors (if not included)
  9. Level
  10. Safety equipment (safety goggles, gloves)

Location Considerations:

Select a suitable location for your under cabinet microwave. Ensure that there is enough space and proper ventilation for the unit. Most under cabinet microwaves require a minimum clearance above the stove, so check the manufacturer’s specifications for these measurements.

6 Steps To Install Over-The-Range Microwave Without A Cabinet

Step-by-Step Installation Guide:

1. Preparation:

  • Turn Off Power: Before starting any work, turn off the power supply to the area where you’ll be installing the microwave. Safety first!
  • Read the Manual: Familiarize yourself with the manufacturer’s installation instructions provided in the manual.

2. Determine Placement:

  • Use a stud finder to locate the studs in the wall where you plan to install the mounting bracket. Mark the stud locations with a pencil or masking tape.

3. Mounting Template:

  • Most under cabinet microwaves come with a mounting template. Carefully position this template against the bottom of the cabinet, ensuring it’s aligned properly.

4. Drill Holes:

  • Use the template as a guide to mark the spots for drilling holes. Double-check the measurements and markings before drilling.
  • Drill pilot holes at the marked spots using an appropriate drill bit size. Make sure the holes are into the studs for better support.

5. Mount the Bracket:

  • With the help of a helper (if needed), hold the mounting bracket in place, aligning it with the drilled holes.
  • Secure the bracket using screws provided by the manufacturer. Ensure they are tightened securely but not over-tightened, as it may damage the bracket or the cabinet.

6. Mount the Microwave:

  • Lift the microwave carefully and place it onto the mounting bracket, following the instructions in the manual. Ensure it locks securely into place.

7. Secure the Microwave:

  • Depending on the model, there might be additional securing mechanisms like screws or locks to keep the microwave in place. Follow the manufacturer’s instructions to secure it properly.

8. Test Run:

  • Restore power to the area and test the microwave to ensure it’s working correctly.

9. Final Adjustments:

  • Use a level to check if the microwave is perfectly horizontal. If adjustments are needed, loosen the screws on the bracket slightly and make necessary changes before re-tightening.

10. Clean Up:

  • Remove any installation debris and ensure the area around the microwave is clean and tidy.

Safety Tips:

  • Power Supply: Always turn off the power supply to the installation area before starting any work involving electrical appliances.
  • Follow Instructions: Adhere strictly to the manufacturer’s instructions to ensure proper installation and safety.
  • Use Proper Support: Ensure the mounting bracket is properly secured to studs for adequate support.
Types of Microwaves - The Home Depot


1. What clearance space is needed for an under cabinet microwave?

Most manufacturers recommend a minimum clearance of about 30 inches between the cooking surface (stove or countertop) and the bottom of the cabinet for proper ventilation and safety. However, check the specific requirements in the microwave’s manual as they can vary between models.

2. Can I install an under cabinet microwave by myself?

Yes, it’s possible to install an under cabinet microwave on your own, but it’s important to follow the manufacturer’s instructions precisely and ensure you have the necessary tools and support, especially for lifting and mounting the appliance.

3. Do I need to hire a professional for installation?

If you’re uncomfortable with drilling, electrical connections, or handling heavy appliances, hiring a professional installer is a wise choice. They can ensure proper installation and safety compliance.

4. Can I plug the microwave into a regular outlet?

Most under cabinet microwaves are designed to be plugged into a standard outlet. Ensure the outlet is grounded and rated to handle the microwave’s power requirements as mentioned in the manual.

5. How do I ensure proper ventilation for the microwave?

Proper ventilation is crucial for the efficient operation and longevity of your microwave. Many models have ventilation systems that require specific clearances around the unit. Follow the manufacturer’s guidelines regarding ventilation to ensure safe usage.

6. Can I replace an existing over-the-range microwave with an under cabinet model?

Yes, it’s possible, but there might be modifications needed in the cabinetry and the mounting area. Ensure that the space meets the requirements for the new microwave’s dimensions and ventilation needs.


Installing an under cabinet microwave can be a rewarding project that adds both functionality and aesthetics to your kitchen. However, it’s essential to approach the installation process carefully, following the manufacturer’s guidelines and safety precautions to ensure a successful and safe setup. If you’re unsure about any step, consider consulting a professional installer for assistance. With the right tools, preparation, and attention to detail, you’ll have your under cabinet microwave installed and ready to use in no time!

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