A good built-in microwave is separated from a bad pick by one unglamorous detail: a precise fit. Strong performance means little if the cabinet opening and installation method do not line up, turning a kitchen upgrade into an expensive puzzle.
This roundup brings nine models into one comparison, spanning compact spaces, standard counters, built-in openings, and drawer layouts. The sections ahead make the best Microwaves built in easier to compare, so keep reading before choosing a model.
Key Takeaways
- Measure the cabinet opening, including width, height, and depth, before comparing microwave capacity or power.
- Confirm whether the trim kit is included, sold separately, or required for the installation.
- Match wattage to your cooking habits, since higher power generally shortens heating times.
- Choose capacity based on dish size and available space, not the largest cubic-foot figure alone.
- Check the installation type carefully, because countertop, built-in, over-the-range, and drawer models are not interchangeable.
| RV Installation Pick |  |
RecPro RV Microwave, 1.0 Cu. Ft. | Includes trim kit | RV-focused design | Stainless steel finish | View on Amazon | Read Review |
| Spacious Countertop Workhorse | GE Countertop Microwave, 1150W | 1.6 cu. ft. capacity | 1150W cooking power | Stainless steel finish | View on Amazon | Read Review | |
| Large Built-In Cavity |  |
Frigidaire Gallery Built-In, 2.2 Cu. Ft. | 2.2 cu. ft. capacity | Built-in installation | Large interior space | View on Amazon | Read Review |
| Sensor Cooking Choice | Frigidaire Built-In Microwave, 2.2 Cu. Ft. | Sensor cooking function | 2.2 cu. ft. capacity | Built-in configuration | View on Amazon | Read Review | |
| Compact Cabinet Match |  |
Summit Built-In Microwave, 24-Inch | 24-inch width | Includes trim kit | Built-in installation | View on Amazon | Read Review |
| Accessible Drawer Design |  |
KoolMore Microwave Drawer, 1.2 Cu. Ft. | Microwave drawer format | Ten cooking levels | Memory and timer functions | View on Amazon | Read Review |
| Range-Side Space Saver |  |
GE Over-the-Range Microwave, 30-Inch | 30-inch over-range format | 1.6 cu. ft. capacity | 1000W cooking power | View on Amazon | Read Review |
| Even-Heating Specialist |  |
Panasonic Inverter Microwave, 1.2 Cu. Ft. | Inverter Technology | Genius Sensor cooking | Countertop or built-in use | View on Amazon | Read Review |
| Compact Profile Pick |  |
GE Profile Countertop Microwave, 800W | Compact 1.1 cu. ft. size | Stainless steel finish | Countertop installation | View on Amazon | Read Review |
More Details on Our Top Picks
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RecPro RV Microwave, 1.0 Cu. Ft.
For RV kitchens and compact built-in spaces, the RecPro RV Microwave offers a tidy fit without taking over valuable counter area. Its 1.0-cubic-foot capacity suits reheating meals, warming drinks, and handling everyday portions in a smaller galley.
The included trim kit supports a finished built-in appearance, while the stainless steel exterior coordinates with many RV appliances. The main limitation is its compact capacity, which may feel restrictive for large dishes or family-size cooking.
- Brand:RecPro
- Microwave Type:RV built-in
- Capacity:1.0 cu. ft.
- Finish:Stainless steel
- Installation:Built-in
- Additional Feature:Included trim kit
- Additional Feature:RV kitchen design
- Additional Feature:Stainless steel exterior
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GE Countertop Microwave, 1150W
Choose this GE model if you need generous countertop capacity and strong everyday cooking power without committing to cabinet installation. The 1.6-cubic-foot interior gives you more room for larger plates, bowls, and casserole-style dishes.
Its 1150 watts support quick reheating and cooking, while the stainless steel finish gives the appliance a practical, modern look. The tradeoff is simple: this is a countertop microwave, so it does not provide the integrated appearance of a true built-in model.
- Brand:GE
- Microwave Type:Countertop
- Capacity:1.6 cu. ft.
- Power:1150W
- Finish:Stainless steel
- Installation:Countertop
- Additional Feature:Countertop placement
- Additional Feature:Large cooking cavity
- Additional Feature:High wattage output
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Frigidaire Gallery Built-In, 2.2 Cu. Ft.
A strong match for kitchen remodels, this Frigidaire Gallery model gives you a 2.2-cubic-foot cavity, making it suitable for wide plates, serving bowls, and larger family meals. The built-in format keeps the microwave aligned with surrounding cabinetry instead of leaving another appliance on the counter.
The generous interior is the central advantage, but the trim kit is sold separately, so plan for an additional installation component. Check cabinet dimensions carefully before ordering, since built-in microwaves need a precise opening rather than a hopeful shove into place.
- Brand:Frigidaire Gallery
- Microwave Type:Built-in
- Capacity:2.2 cu. ft.
- Installation:Built-in
- Additional Feature:Trim kit sold separately
- Additional Feature:Large cooking cavity
- Additional Feature:Cabinet-ready format
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Frigidaire Built-In Microwave, 2.2 Cu. Ft.
This Frigidaire model fits kitchens that need large-capacity built-in cooking with more automated reheating help. Its sensor-cook function is designed to adjust cooking based on food conditions, reducing the guesswork that often turns leftovers into either ice or lava.
The 2.2-cubic-foot capacity handles substantial dishes, while the built-in design keeps the installation visually tidy. You will need to purchase the trim kit separately, and the required cabinet fit makes installation planning essential.
- Brand:Frigidaire
- Microwave Type:Built-in
- Capacity:2.2 cu. ft.
- Installation:Built-in
- Additional Feature:Sensor Cook function
- Additional Feature:Trim kit required
- Additional Feature:Large cooking cavity
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Summit Built-In Microwave, 24-Inch
The Summit SMBI24 is aimed at kitchens that need a 24-inch built-in footprint, especially where cabinet width matters more than oversized interior space. Its included trim kit helps create a more finished installation than a freestanding countertop unit.
A stainless steel exterior supports a coordinated appliance design, and the built-in format keeps counter space available for food preparation. The narrower 24-inch size may limit compatibility with wider openings, so measure the cabinet cutout before selecting it.
- Brand:Summit
- Microwave Type:Built-in
- Finish:Stainless steel
- Installation:Built-in
- Additional Feature:Included trim kit
- Additional Feature:24-inch cabinet fit
- Additional Feature:Stainless steel exterior
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KoolMore Microwave Drawer, 1.2 Cu. Ft.
For a lower-profile kitchen layout, this KoolMore microwave drawer places the cooking cavity at a more accessible height, which can be useful beneath counters or in wall-mounted arrangements. The 1.2-cubic-foot capacity balances a compact footprint with enough room for routine plates and bowls.
You get 1000 watts, 10 custom cooking levels, memory, and timer functions, giving you more control than a basic reheating appliance. Its drawer format requires dedicated installation planning, and the capacity is smaller than the large built-in models in this roundup.
- Brand:KoolMore
- Microwave Type:Microwave drawer
- Capacity:1.2 cu. ft.
- Power:1000W
- Finish:Stainless steel
- Installation:Wall-mounted
- Additional Feature:Flat-bottom drawer
- Additional Feature:Ten custom cooking levels
- Additional Feature:Memory function
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GE Over-the-Range Microwave, 30-Inch
This GE model suits kitchens where cabinet and counter space are already spoken for, placing the microwave above the range in a 30-inch configuration. Its 1.6-cubic-foot capacity accommodates everyday dishes while keeping the work surface open for chopping and serving.
The stainless steel finish pairs naturally with many kitchen appliance suites, and 1000 watts provide practical cooking power. Because it is an over-the-range model, installation depends on the correct range location, cabinet clearance, and compatible mounting space.
- Brand:GE
- Microwave Type:Over-the-range
- Capacity:1.6 cu. ft.
- Power:1000W
- Finish:Stainless steel
- Installation:Over-the-range
- Additional Feature:Range-side installation
- Additional Feature:Stainless steel exterior
- Additional Feature:Counter space saving
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Panasonic Inverter Microwave, 1.2 Cu. Ft.
Panasonic gives you a flexible option for kitchens that need a countertop or built-in microwave with more controlled heating. Its Inverter Technology is designed to deliver steadier microwave energy, while the Genius Sensor adds automatic cooking support for selected foods.
The 1200-watt output and 1.2-cubic-foot capacity suit frequent reheating and everyday cooking, without requiring a large cavity. Its adaptable installation is useful, but a built-in setup may require a compatible trim kit or surrounding cabinetry solution, so confirm the installation requirements first.
- Brand:Panasonic
- Microwave Type:Countertop/built-in
- Capacity:1.2 cu. ft.
- Power:1200W
- Finish:Stainless steel
- Installation:Countertop or built-in
- Additional Feature:Inverter Technology
- Additional Feature:Genius Sensor
- Additional Feature:Flexible installation format
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GE Profile Countertop Microwave, 800W
The GE Profile PCHK11S1WSS is a sensible choice for kitchens that favor a smaller countertop footprint over high output or oversized capacity. Its 1.1-cubic-foot interior handles common reheating tasks while fitting more easily into limited work areas.
At 800 watts, cooking and reheating may take longer than with higher-powered models, but the lower output can suit light daily use. The stainless steel finish keeps the design coordinated, while the countertop format avoids the cabinet work required for built-in installation.
- Brand:GE Profile
- Microwave Type:Countertop
- Capacity:1.1 cu. ft.
- Power:800W
- Finish:Stainless steel
- Installation:Countertop
- Additional Feature:Compact countertop format
- Additional Feature:Profile series design
- Additional Feature:Stainless steel exterior
Frequently Asked Questions
Can Any Microwave Be Installed As A Built-In?
No. A countertop microwave generally lacks the ventilation design, mounting hardware, and trim kit needed for cabinet installation. Choose a model specifically labeled for built-in use, or confirm that an approved trim kit is available for the exact model. Follow the manufacturer’s installation instructions rather than relying on exterior dimensions alone. Cabinet clearance, airflow, electrical access, and support requirements all affect compatibility.
What Size Built-In Microwave Should I Buy?
Measure the cabinet opening first, then choose a microwave that fits within the specified cutout dimensions. A common 30-inch trim format does not mean every 30-inch model has the same cavity or installation depth. For most households, about 1.2 to 1.6 cubic feet offers a practical balance of plate space and cabinet fit. Choose a larger cavity if you regularly heat casserole dishes or use large serving bowls.
Are Built-In Microwaves Worth The Extra Cost?
A built-in model can be worthwhile if you want a finished cabinet appearance, clear countertop space, and controls positioned at a comfortable height. It also makes sense during a kitchen renovation, when electrical and cabinet work can be planned together. The added cost is harder to justify if you may move soon or only use a microwave occasionally. Remember to include the trim kit and installation fees, which can add substantially to the purchase price.
Do Built-In Microwaves Need Special Ventilation?
Yes, but the exact requirement depends on the model. Some units vent through the front, while others need rear clearance, a duct connection, or an approved recirculating configuration. Keep the required clearances around the appliance, and do not block its vents with trim, cabinets, or decorative panels. Correct airflow protects the microwave and helps prevent excessive heat buildup.
Can A Built-In Microwave Also Bake?
Some models combine microwave cooking with convection heating, allowing you to brown, roast, and bake in addition to reheating. These combination units typically cost more and may require extra clearance or specific cookware. Check the maximum temperature, rack configuration, cavity size, and available cooking modes before buying. A convection microwave can handle many smaller baking tasks, but it may not replace a full-size oven for large meals or multiple trays.
