Your microwave’s installation instructions will specify whether there are acceptable alternative locations for the electrical outlet. If there is not an outlet in a convenient location, contact an electrician for assistance installing one before you put the microwave in place.
Use a tape measure to verify the height of your microwave. Measure from the bottom of the cabinet you will install the microwave below to the height of the microwave. Make a mark at this spot. Measure the distance between this mark and the floor, and the top of your range, to make sure that the microwave will be situated within the acceptable height range.
Your microwave may have additional fittings which you should set in place in order to allow it to ventilate properly. Check the installation instructions that come with your particular model to be sure. If you do not already have a ventilation system in place, contact a contractor to have one installed. [6] X Expert Source Gevorg GrigorianAppliance Repair Expert Expert Interview. 30 July 2020.
Your microwave should come with a kit that has a framing template. Place it where you want the microwave to sit, and follow the guidelines to cut through the drywall. Remove the drywall and pull out the insulation from the area inside the wall. Secure two by fours between the wall studs. Check the instructions provided with your microwave for the exact dimensions. Fill in any empty space with new insulation.
Use a level to make sure that the template is square and that the microwave will sit properly in place. [9] X Expert Source Gevorg GrigorianAppliance Repair Expert Expert Interview. 30 July 2020.
Studs are usually 16 inches (41 cm) inches apart on the wall. Once you find one, measure 16 inches to the either side to mark others. Using your template, make sure that the hardware will be mounted on at least one of the studs. If not, reframe the site or contact a contractor for help.
Most likely, you will need a couple of drill bits: smaller ones for the toggle bolts, and a larger one to make a hole to feed the microwave’s power cord through the cabinet above the appliance (if there isn’t already one). Check your model’s instructions, and always use the recommended tools.
Carefully let go of the microwave at this point to make sure that it stays in place.
You may need to take the fan out and change its direction, depending on the orientation of your ventilation system.
If your appliance does not seem to work properly, read the troubleshooting section of the manual, if it has one, or contact the manufacturer.