5 Best Built-In Microwaves With Trim Kits: A Buying Guide

Have you ever looked at your kitchen and wished your bulky microwave didn’t stick out like a sore thumb? Many homeowners dream of a sleek, custom-built look, but achieving that high-end aesthetic is often easier said than done. A built-in microwave with a trim kit is the secret to a polished kitchen, yet the process of finding the perfect match can feel overwhelming.

Choosing the right setup is rarely simple. You have to worry about exact measurements, ventilation requirements, and matching your existing appliances. One wrong choice could leave you with an awkward gap or an appliance that overheats because it lacks proper airflow. It is easy to feel frustrated when you are staring at a sea of technical specifications and confusing compatibility charts.

That is where this guide comes in. We are here to take the guesswork out of your renovation project. By reading further, you will learn how to measure your cabinet space correctly, understand which trim kits work with your specific microwave, and discover the best features to look for in a modern model. We will walk you through the essential steps to ensure your new appliance fits perfectly and looks like a professional designer installed it.

Ready to transform your kitchen into a seamless, modern space? Let’s dive into everything you need to know about selecting the perfect built-in microwave and trim kit for your home.

Top Built-In Microwave With Trim Kit Recommendations

No. 1
Frigidaire Gallery Series GMBS3068BF 2.2 cu. ft. Built-in Microwave Oven, Trim Kit Sold Separately
  • built-in trim kit available in 27" (GMTK2768AF) and 30" (GMTK3068AF) Sold Seperatly
  • Provides 2.2 cu. ft. of cooking space, accommodating large dishes and multiple items at once for convenient and efficient cooking
  • Sensors in the microwave determine and set the appropriate power levels and cook time to ensure great tasting food
  • Width: 24 7/16 Inch Depth: 19 5/8 Inch Height: 13 5/8 Inch Cutout Width: 24 3/4 Inch Cutout Depth: 20 Inch Cutout Height: 16 3/4 Inch
No. 2
Summit Built-in Microwave with Trim Kit, Fits 24” spaces 1.2 cu.ft., Stainless Steel - SMBI24 (24 Inch)
  • Built-In Microwave Oven for 24” Spaces: 1000W microwave designed for built-in installation in 15 3/4" H x 22 1/2" W x 18 1/4" D cutouts. Microwave ships with a Stainless steel trim kit designed to allow installation in 24" wide cabinet openings or over the range spaces.
  • Everything you need to heat your favorite foods: Multiple power levels include settings for popcorn, pizza, beverages and more. Additional settings let you defrost by weight or time, program multistage cooking for specific results, and add 30 seconds at the touch of a button.
  • Built to fit your needs: This microwave can be installed above or below the counter, or over a wall oven for added kitchen convenience. A child lock is also included to prevent unwanted changes during cooking.
  • Dimensions: With included Trim Kit: 17.0" H x 24.25" W x 17.75" D ( For use in spaces with 24" wide cabinet openings).
No. 3
Frigidaire PMBS3080BF 2.2 cu. ft. Built-In Microwave Oven with Sensor Cook, Trim Kit Required (Sold Separately)
  • Width: 24 3/8 Inch Depth: 19 5/8 Inch Height: 13 5/8 Inch Cutout Width: 24 3/4 Inch Cutout Depth: 20 Inch Cutout Height: 16 3/4 Inch
  • built-in trim kit 30" (PMTK3080AF) Sold Seperatly
No. 4
GE Profile PCHK11S1WSS 1.1 Cu Ft Countertop Microwave, 800W, Sensor Cooking, Scan-to-Cook, Wi-Fi Enable, Built-In Capable, Stainless Steel
  • Balanced Capacity, Precise Performance - With a 1.1 cu. ft. capacity and 800 Watts of cooking power, this microwave delivers fast, even results with the precision expected from GE Profile
  • Scan to Cook Technology - Effortlessly prepare your favorite frozen meals exactly as intended by the manufacturer—just scan the barcode, and let your microwave handle the rest
  • WiFi Connect - Seamlessly manage your GE Profile microwave's power, cook time, and timers from your smartphone, tablet, or voice control device for ultimate convenience
  • Built-in capable microwave - This countertop microwave oven is built-in capable with a sleek matching trim kit (sold separately)
  • Optional under-cabinet mounting kit - Secure your microwave under a cabinet, freeing up valuable countertop space (Kit sold separately)
No. 5
Summit Built-in Microwave with Trim Kit, Fits 27” Spaces 2.2 cu.ft., Stainless Steel - SMBI27TK27 (27 Inch)
  • Built-In Microwave Oven for 27” Spaces: 1200W microwave Designed for 17 1/8" H x 25 1/2" W x 22 3/4" D cutouts, with a trim kit that covers spaces up to 26 7/8" W; Note: actual microwave is sized at 13 1/2" H x 24 3/8" W x 19 5/8" D. Microwave ships with a Stainless steel trim kit designed to allow installation in 27" wide cabinet openings or over the range spaces.
  • Everything you need to heat your favorite foods: Multiple power levels include settings for popcorn, pizza, beverages and more. Additional settings let you defrost by weight or time, program multistage cooking for specific results, and add 30 seconds at the touch of a button.
  • Built to fit your needs: This microwave can be installed above or below the counter, or over a wall oven for added kitchen convenience. A child lock is also included to prevent unwanted changes during cooking.
  • Dimensions: With included Trim Kit: 18.88" H x 26.88" W x 19.63" D ( For use in spaces with 27" wide cabinet openings).
No. 6
KoolMore 24 Inch Stainless-Steel Microwave Drawer with 1.2 cu. ft. Capacity, 1000W Power with 10 Custom Cooking Levels, Memory, and Timer Functions, Wall-Mounted with Flat Bottom (KM-MD-1SS)
  • Pull-Out Microwave Drawer – A smart, stylish way to utilize a microwave oven in the kitchen without leaving it on the counter or hung over the stove this pull-out, low-profile microwave can be mounted right into the wall or your kitchen cabinetry.
  • High-Power Cooking Efficiency – This 120V, 60Hz, 1000-watt drawer microwave provides plenty of power for cooking and defrosting food. And with 10 microwave power levels with time and memory control you’ll love using it for everything
  • One-Touch Open with Slow Closing – The stylish design of our built-in microwave is further enhanced with a simple one-touch open door design and a slow-close door to make it easy to start heating or reheating food with amazing efficiency.
  • Space-Saving Flat Bottom Design – Increasing kitchen space is especially important when the room is limited. This 1.2 cu ft microwave features a flat bottom to reduce the amount of space it uses without sacrificing power or effectiveness.
  • Elegant Stainless-Steel Finish – A beautiful appliance that looks great in modern, or farmhouse-style kitchens our stainless-steel microwave easily matches appliances and creates a sophisticated look that sets itself apart from countertop units.
No. 7
RecPro RV Microwave with Trim Kit | 1.0 Cu. Ft. | 900W | Direct Replacement for Greystone and High Pointe (Stainless Steel)
  • 30-Sec. Instant Start and 8 Express Cook Options - Popcorn, Potato, Pizza, Beverage, Soup, Dinner Plate, Fresh Vegetable, Frozen Vegetable.
  • Picture Frame Kit - Trim kit is included with microwave and creates a polished final look. No need to purchase anything extra to help your new appliance blend in with your RV kitchen.
  • 2 Stylish Color Options - Comes in Stainless Steel or Black, colors that blend well with most interior décor. Update your kitchen with timeless styles!
  • Direct Replacement - Replace your Greystone or High Point microwaves without any issues. Our new Stainless Steel or Black microwave will fit perfectly where your old one was installed.
No. 8
Frigidaire PMBS3080A 24 Inch Wide 2.2 Cu. Ft. 1100 Watt Built In Microwave with Sensor Cook - Stainless Steel
  • Fits-More Microwave
  • Take The Guesswork Out Of Cooking With Sensor Cook
  • Convenient Quick Start Options
  • Reheat Leftovers Easily With Sensor Reheat

The Ultimate Guide to Built-In Microwaves with Trim Kits

A built-in microwave with a trim kit offers a clean, high-end look for any kitchen. Unlike a countertop model, these units sit flush with your cabinets. They save counter space and make your kitchen look like a professional design. This guide helps you choose the right model for your home.

Key Features to Look For

When shopping, focus on these three features:

  • Capacity: Most built-in microwaves range from 1.0 to 2.2 cubic feet. Choose a larger size if you cook for a big family.
  • Wattage: Higher wattage means faster cooking. Look for at least 1,000 watts for consistent results.
  • Trim Kit Compatibility: The trim kit is the frame that surrounds the microwave. Always buy the specific kit made for your microwave model to ensure a perfect fit.

Important Materials

Most modern units use high-quality stainless steel. Stainless steel resists rust and looks great with other appliances. Some models feature fingerprint-resistant coatings, which stay clean longer. Inside the unit, look for a ceramic or enamel coating. These materials are easy to wipe clean after a spill.

Factors That Improve or Reduce Quality

High-quality built-in microwaves use durable hinges and sturdy door latches. A quiet fan motor is another sign of a premium model. Quality drops when a unit has a flimsy door or a loud, rattling internal fan. Always check customer reviews to see if the buttons or touchpads wear out quickly. A well-built unit should feel heavy and solid when you open the door.

User Experience and Use Cases

Built-in microwaves are perfect for people who want a sleek, modern kitchen. If you do not have much counter space, this setup is a life-saver. These units are best for warming up leftovers, steaming vegetables, or defrosting meat. Because they are installed in cabinets, they stay in one place. This makes your kitchen look organized and intentional.

Frequently Asked Questions

Q: Can I use any trim kit with any microwave?

A: No. You must use the trim kit designed by the manufacturer for your specific microwave model.

Q: Is professional installation required?

A: It is highly recommended. The unit must be level and have proper ventilation to avoid overheating.

Q: Does a built-in microwave need a special cabinet?

A: Yes. Your cabinet must be the right size and have an electrical outlet located behind or near the opening.

Q: What is the main benefit of a trim kit?

A: The trim kit fills the gap between the microwave and the cabinet. It creates a seamless, finished appearance.

Q: Will my microwave overheat if it is inside a cabinet?

A: Not if you install it correctly. The trim kit includes vents that allow air to flow properly.

Q: Can I replace a built-in microwave easily?

A: You can, but you must find a model with similar dimensions or buy a new trim kit that fits your existing cabinet hole.

Q: Are built-in microwaves more expensive than countertop models?

A: Yes. They cost more because they include the trim kit and require specific hardware for mounting.

Q: Do I need a dedicated circuit for my microwave?

A: Most electricians recommend a dedicated circuit to prevent blown fuses during use.

Q: How do I clean the stainless steel trim?

A: Use a soft cloth with warm, soapy water. Avoid harsh scrubbers that can scratch the finish.

Q: Should I choose a microwave drawer or a standard built-in?

A: A microwave drawer is easier to access but costs more. A standard built-in microwave is more affordable and offers more variety in styles.