A Greasy Mess? How to Properly Clean Your Over-the-Range Microwave

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AtoZ
July 1, 2025
Microwave Repair

An over-the-range microwave is a hardworking kitchen appliance. It not only heats up leftovers and pops popcorn, but it also vents cooking fumes and grease from your stove. Over time, this can lead to a sticky, grimy buildup on both the inside and outside of your microwave.

At A to Z Appliance Service, we’ve seen our fair share of dirty microwaves. A clean microwave not only looks better, but it also runs more efficiently and helps keep your kitchen smelling fresh. Here’s our expert guide to cleaning your over-the-range microwave, from the inside out.

Cleaning the Interior

The inside of your microwave can be a hotspot for food splatters. Here’s how to get it sparkling clean without harsh chemicals:

  1. Steam Clean with Vinegar or Lemon: Fill a microwave-safe bowl with one cup of water and a few tablespoons of white vinegar or lemon juice. Place the bowl in the microwave and run it on high for 3-5 minutes, or until the liquid is boiling and the microwave is filled with steam.
  2. Let it Sit: Let the bowl sit in the microwave for another 5-10 minutes. The steam will help loosen any baked-on food.
  3. Wipe it Down: Carefully remove the hot bowl. Use a soft cloth or sponge to wipe down the interior of the microwave. The grime should come off easily.
  4. Tackle Tough Spots: For any remaining stubborn spots, you can make a paste of baking soda and water. Apply the paste to the tough spots, let it sit for a few minutes, then gently scrub with a soft cloth.
  5. Clean the Turntable: Don’t forget the turntable! Most are dishwasher safe, or you can wash it by hand in the sink with warm, soapy water.

Cleaning the Exterior

The exterior of your microwave is a magnet for grease, dust, and fingerprints.

  1. Degrease the Surface: For greasy buildup, a simple solution of warm water and dish soap is often effective. For tougher grease, you can use a 50/50 solution of water and white vinegar.
  2. Wipe it Down: Use a soft cloth to wipe down the exterior of the microwave, including the door, handle, and control panel. For stainless steel appliances, wipe in the direction of the grain to avoid scratches.
  3. Clean the Vents: The vents on your microwave can be particularly greasy. You may need to use a small brush or a Q-tip to get into the crevices. Be gentle to avoid damaging the vents.

Cleaning the Filters

Your over-the-range microwave has two types of filters: a grease filter and a charcoal filter.

  • Grease Filter: This metal mesh filter is located on the underside of your microwave. It’s designed to trap grease from cooking on your stovetop. Most grease filters can be removed and washed. You can wash them in the sink with hot, soapy water and a degreasing dish soap. For very greasy filters, you can soak them in a solution of hot water and baking soda. Allow the filter to dry completely before reinstalling it.
  • Charcoal Filter: The charcoal filter is located behind the vent grille on the front of the microwave. This filter is not washable and needs to be replaced every 6-12 months, depending on your cooking habits. You can typically find replacement filters from the appliance manufacturer.

When to Call AtoZ

If you’ve tried these cleaning methods and are still having trouble, or if you’ve noticed any issues with your microwave’s performance, it may be time to call in the experts. At A to Z Appliance Service, our technicians are highly trained and can diagnose and repair any microwave issue.

For expert appliance repair in the Dayton and Cincinnati area, you can schedule a service appointment online 24/7. We’re here to help keep your appliances running smoothly!

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