The best 20 built-in microwaves offer sophisticated design and powerful functionality, ideal for homeowners looking to optimize their kitchen space and cooking efficiency. When selecting one, consider factors like capacity, wattage, convection capabilities, and control panel layout, as the wrong choice can lead to underperformance and a less integrated aesthetic. Different models excel in various areas, from rapid heating to versatile cooking modes, and a misstep in selection can compromise both culinary results and valuable counter space.
To help you navigate the options and find a unit that truly elevates your kitchen experience, we’ve compiled a list of the top contenders. Explore our curated selection of the best 20 built-in microwave models available, ensuring a perfect fit for your culinary needs and design preferences.
When selecting the best 20 built in microwave, consider models with spacious interiors and inverter technology for even cooking, such as the Frigidaire Gallery Series GMBS3068BF with 2.2 cu. ft. capacity or Panasonic’s NN-SN686S which offers 1.2 cu.
ft. with advanced inverter power control.
Breville’s BMO650SIL provides a compact yet convenient option, while the LG Countertop Microwave 2.0 cu. ft. also utilizes Smart Inverter technology for precise heating.
Best 20 Built-In Microwaves at a Glance
| Image | Product | Buy |
|---|---|---|
Best Pick 1 ![]() | Frigidaire Gallery Series GMBS3068BF 2.2 cu. ft. Built-in Microwave Oven, Best for: Large capacity cooking | Check Price |
Best Pick 2 ![]() | Panasonic Microwave Oven NN-SN686S Stainless Steel Countertop/Built-In with Inverter Technology Best for: Inverter technology heating | Check Price |
Best Pick 3 ![]() | Panasonic HomeChef 4-in-1 Countertop Microwave Air Fryer Combo, Time-Saving 20 Best for: Multi-function cooking | Check Price |
Best Pick 4 ![]() | Breville BMO650SIL Compact Wave Soft Close Countertop Microwave Oven, Silver Best for: Compact kitchen needs | Check Price |
Best Pick 5 ![]() | LG Countertop Microwave, 2.0 cu. ft., Stainless Steel, 23.9×13.6×19.8 Inches, Best for: Extra large capacity | Check Price |
How We Picked
Our selection process for the best 20 built in microwave focused on crucial buyer considerations. We meticulously evaluated real-world performance, prioritizing even cooking and defrosting capabilities demonstrated by models like the Panasonic NN-SN686S. Build quality and durability were paramount, leading us to favor robust construction seen in the Frigidaire Gallery Series.
Standout features, such as LG’s Smart Inverter technology for precise control, and the versatility of Toshiba’s OptiChef PRO MAX, significantly influenced our rankings. Safety features and overall user experience contributed to eliminating models that didn’t meet our stringent criteria for a top-tier built-in appliance.
What Most Buyers Get Wrong
Built-In Requires Precise Cavity Dimensions
When selecting a built-in microwave, like the Frigidaire Gallery Series GMBS3068BF, understanding your cabinet space is paramount. Unlike countertop models, these units are designed to be integrated, meaning precise width, height, and depth measurements are crucial. Always double-check the required cutout dimensions against your existing cabinetry or planned installation space.
Remember that trim kits, such as the GMTK2768AF and GMTK3068AF for the Frigidaire, are often sold separately and add to the overall aesthetic and fit.
Trim Kit Compatibility is Key
Many built-in microwaves are designed to seamlessly integrate into your cabinetry, but this often relies on purchasing the correct trim kit. Models like the Frigidaire Gallery Series GMBS3068BF explicitly mention available trim kits in 27 and 30 sizes. Failing to purchase the compatible trim kit can result in the microwave not fitting flush, leaving unsightly gaps, or compromising the finished look.
Always verify which trim kit is recommended or required for your chosen built-in model before purchase.
1. Frigidaire Gallery Series GMBS3068BF 2.2 cu. ft. Built-in Microwave Oven,

Best for: Large families needing ample cooking space.
Boasting a generous 2.2 cu. ft. of interior space, this Frigidaire Gallery Series microwave easily accommodates large dishes, allowing you to prepare multiple items simultaneously for efficient meal preparation.
With dimensions of 24 7/16″ W x 19 5/8″ D x 13 5/8″ H, it provides ample room. Its 1100-watt power output and 11 power levels, combined with sensor cooking, automatically adjust for optimal results, eliminating guesswork.
Pros
- 2.2 cu. ft. capacity for large meals
- Sensor cooking optimizes cook time and power
- 11 power levels for precise control
- Auto Defrost system for convenience
Cons
- Trim kit sold separately, adding to the final cost
This Frigidaire is ideal for households that frequently cook large meals or entertain guests. Its spacious interior and automatic features simplify preparing a variety of dishes.
2. Panasonic Microwave Oven NN-SN686S Stainless Steel Countertop/Built-In with Inverter Technology

Best for: Achieving even cooking with advanced power control.
Panasonic’s 1.2 cu. ft. stainless steel microwave utilizes patented Inverter Technology, delivering a seamless stream of cooking power for consistently even results and superior flavor without overcooking.
Operating at 1200 watts with 10 power levels, this model includes an advanced Inverter Turbo Defrost for rapid and even thawing. The 340mm turntable diameter ensures all food within the 1.2 cu. ft. cavity receives uniform heat.
Pros
- Seamless power stream from Inverter Technology
- Advanced Inverter Turbo Defrost
- 1.2 cu. ft. capacity suitable for most meals
- 10 power levels for versatile cooking
Cons
- Button interface may be less intuitive than touchscreen
This Panasonic microwave is designed for home cooks who value consistent results and efficient defrosting. Its inverter technology makes it a reliable choice for everyday reheating and cooking needs.
3. Panasonic HomeChef 4-in-1 Countertop Microwave Air Fryer Combo, Time-Saving 20

Best for: Home cooks seeking versatile meal preparation options.
The Panasonic HomeChef 4-in-1 oven offers unparalleled versatility, combining microwave, broiler, air fryer, and convection oven functions to simplify meal creation, from tender roasts to crispy air-fried foods.
With 1000 watts of microwave power and 7 levels, this 20-program appliance integrates with the Panasonic Kitchen+ app for guided cooking. It efficiently handles air frying, baking, grilling, and defrosting.
Pros
- 4-in-1 functionality (microwave, air fry, broil, convection)
- App integration for guided cooking
- 20 cooking programs for diverse meals
- Air fryer capability for healthier options
Cons
- Countertop design takes up significant counter space
Perfect for those who want to explore a variety of cooking methods without multiple appliances. This Panasonic is for the home chef looking to simplify complex meals with smart technology.
4. Breville BMO650SIL Compact Wave Soft Close Countertop Microwave Oven, Silver

Best for: Kitchens requiring a compact yet functional microwave.
The Breville Compact Wave microwave offers a 25L capacity within a compact footprint, engineered with an 80% quieter soft-close door for enhanced kitchen convenience and minimal disruption.
This countertop oven features a food menu with specific options like reheat pizza and cook potatoes, alongside one-touch auto buttons for Reheat, Defrost, and Popcorn. Its dual functions of defrost and reheat are essential for quick meal prep.
Pros
- Compact 25L footprint for small spaces
- 80% quieter soft close door
- Food menu for specific cooking tasks
- One-touch auto buttons for quick selection
Cons
- Smaller capacity may not suit large families
This Breville microwave is ideal for individuals or couples in apartments or homes with limited counter space. It provides essential cooking functions in a quiet, compact package.
5. LG Countertop Microwave, 2.0 cu. ft., Stainless Steel, 23.9×13.6×19.8 Inches,

Best for: Families needing large capacity with smart cooking features.
LG’s 2.0 cu. ft. stainless steel microwave features Smart Inverter technology for precise cooking power control, ensuring even heating and delivering consistently delicious meals, even with large dishes.
With 1200 watts of cooking power and 10 adjustable power levels, this microwave accommodates voluminous meals. Its 7 sensor cook options, including specific settings for bacon and frozen entrées, guarantee perfect results every time.
Pros
- Spacious 2.0 cu. ft. capacity
- Smart Inverter for even heating
- 1200 watts cooking power
- 7 sensor cook options simplify meal prep
Cons
- External dimensions (23.9″x13.6″x19.8″) require significant installation space
This LG microwave is perfect for larger families or those who often cook substantial meals. Its generous capacity and smart features simplify everyday cooking and reheating.
6. LG Countertop Microwave, 1.5 cu. ft., Stainless Steel, 21.44″x12.13″x16.19″, Smart

Best for: Mid-sized families prioritizing efficient cooking.
The LG 1.5 cu. ft. stainless steel NeoChef microwave uses Smart Inverter technology to deliver precise cooking power and consistent heating, ideal for family-sized meals and rapid reheating.
With 1200 watts of power and 10 adjustable levels, this model efficiently heats and cooks food within its 1.5 cu. ft. interior. It includes 7 sensor cook options, such as for potatoes and frozen vegetables, ensuring optimal results.
Pros
- 1.5 cu. ft. capacity for family meals
- Smart Inverter for consistent heating
- 1200 watts ensures quick cooking
- 7 sensor cook programs simplify cooking
Cons
- The ‘Ez On (+30s)’ button is not a dedicated start button
This LG microwave is well-suited for average-sized families needing a balance of capacity and advanced cooking features. Its sensor cooking simplifies preparing common dishes.
7. FRIGIDAIRE 2.2 Cu. Ft. Stainless Steel Microwave Oven, Multi Function,

Best for: Large kitchens desiring a spacious, high-wattage microwave.
Frigidaire’s 2.2 cu. ft. stainless steel microwave delivers 1200 watts of cooking power, making it ideal for all kitchens, dorms, and apartments while adding a stylish touch to your countertop.
This large-capacity microwave features a white interior for visual contrast and a sleek curved handle. Six pre-programmed timers for popular snacks like popcorn, along with auto cook and defrost settings, streamline meal preparation.
Pros
- Generous 2.2 cu. ft. capacity
- 1200 watts ensures rapid cooking
- 6 pre-programmed snack options
- White interior provides good visibility
Cons
- Touch controller may require firm pressure to register
This Frigidaire microwave is an excellent choice for those who need ample space and substantial power. It’s perfect for busy households preparing snacks or full meals quickly.
8. Toshiba ML-EM62P(SS) Large Countertop Microwave Oven with Smart Sensor, Auto

Best for: Busy households needing a large microwave with smart sensors.
The Toshiba ML-EM62P(SS) microwave offers a spacious 2.2 cu. ft. capacity and 1200W output, easily accommodating a 16″ pizza or a whole chicken for large family daily use.
Its built-in smart humidity sensor automatically adjusts power and time for optimal results, sealing moisture within food. With 23 one-touch presets for common needs like pizza and beverages, daily kitchen routines are simplified.
Pros
- 2.2 cu. ft. large capacity for family meals
- Smart Humidity Sensor for precise cooking
- 1200W output power for quick cooking
- 23 one-touch presets for convenience
Cons
- Power consumption of 1700 Watts is higher than some competitors
This Toshiba microwave is ideal for large families or individuals who frequently cook or reheat substantial portions. The smart sensor technology ensures consistently good results with minimal effort.
9. TOSHIBA OptiChef PRO MAX Air Fryer Combo Microwave Oven with

Best for: Tech-savvy cooks desiring multi-functional and smart options.
The TOSHIBA OptiChef PRO MAX combines a 2.4-inch colorful touchscreen with high-tech features, including an air fryer function and intuitive humidity sensor, for smarter and healthier cooking.
This versatile oven boasts 1100 watts of power and 5 heat settings, capable of air frying, defrosting, and reheating with 25 programs. The ChefFry Plus system replicates an air fryer’s efficiency for crispier textures.
Pros
- 2.4-inch color touchscreen interface
- ChefFry Plus for air frying
- Intuitive humidity sensor for moisture retention
- 25 cooking programs
Cons
- Only 5 power levels may limit granular control
This Toshiba microwave is for the modern cook who enjoys experimenting with different cooking methods and appreciates smart technology. It’s perfect for those seeking air frying capabilities.
10. SHARP Countertop Microwave Oven with Removable 16.5″ Carousel Turntable, 1200

Best for: Families seeking large capacity with advanced inverter tech.
SHARP’s 2.2 cu. ft. countertop microwave provides 1200 watts of power and features new Inverter Cooking Technology for consistent, even results across its family-sized interior.
This model includes a removable 16.5″ carousel turntable for optimal cooking distribution and 10 power levels with 2-stage cooking capabilities. Functions like Melt/Soften, Sensor Cook, and Auto Cook simplify preparation of common dishes.
Pros
- Generous 2.2 cu. ft. capacity
- Inverter Cooking Technology for even heating
- 16.5″ removable carousel turntable
- Sensor Cook and Auto Cook programs
Cons
- White LED display might be too bright for some kitchens at night
This SHARP microwave is ideal for large families needing substantial cooking space and advanced features for efficient meal preparation. Its inverter technology ensures consistently cooked food.
Why Capacity Trumps Tech in Built-In Microwaves
When considering the best 20 built in microwave options, the most significant determinant of long-term satisfaction often comes down to simple internal volume. While features like Inverter Technology, as found in the Panasonic Microwave Oven NN-SN686S or LG Countertop Microwave models (both the 2.0 cu. ft.
and 1.5 cu. ft.
versions), promise more even cooking or precise power control, these technological refinements pale in comparison to the frustration of a microwave that simply cannot accommodate your culinary needs. A larger capacity, like the 2.2 cu. ft.
available in the Frigidaire Gallery Series GMBS3068BF or the FRIGIDAIRE 2.2 Cu. Ft.
Stainless Steel Microwave Oven, directly impacts daily usability by allowing for larger dishes, multiple smaller items, or even items like a whole chicken or a 16-inch pizza as the Toshiba ML-EM62P(SS) boasts it can. This is not about a minor convenience; it’s about avoiding the daily recalculation of how to fit your meal into a restrictive space.
The trade-off for advanced multi-functionality in some units, such as the Panasonic HomeChef 4-in-1 Countertop Microwave Air Fryer Combo or the TOSHIBA OptiChef PRO MAX Air Fryer Combo Microwave Oven, is often a reduced internal capacity. While these machines offer expanded cooking methods akin to more traditional ovens, their primary microwave function can be compromised by their more compact interiors. Similarly, units like the Breville BMO650SIL Compact Wave Soft Close Countertop Microwave Oven, while praised for its compact footprint, explicitly limit your options due to its smaller size.
Potential buyers fixate on user interfaces or AI-driven cooking programs without first confirming the microwave can handle their largest casserole dish or holiday roast.
The inclusion of specific features like a removable 16.5-inch carousel turntable, as seen in the SHARP Countertop Microwave Oven, is a direct consequence of a larger internal cavity designed to facilitate even cooking across a wider surface area. Without this generous internal volume, the effectiveness of such features is inherently diminished. For the average household, the ability to reheat leftovers without awkward Tetris-like arrangements or to prepare larger family meals efficiently is a far more critical daily benefit than the subtle nuances of advanced power delivery systems, which may offer only marginal improvements in cooking time or consistency that are difficult to discern without precise measurements.
Ultimately, the Frigidaire Gallery Series GMBS3068BF, with its substantial 2.2 cu. ft. capacity, represents a pragmatic choice for most households seeking a reliable built-in microwave where accommodating everyday cooking tasks without constraint is the paramount consideration.
How to Choose the Best 20 Built-In Microwave
Capacity and interior dimensions
For most households, a microwave with a capacity between 1.0 and 1.5 cubic feet offers the best balance, accommodating standard dinner plates and most casserole dishes comfortably. Consider models with a turntable diameter of 12 inches or more to ensure even cooking and the flexibility to fit larger rectangular dishes. If you frequently prepare meals for a crowd or use oversized cookware, opt for capacities exceeding 1.7 cubic feet.
Prioritize ample usable interior space over marginal cubic footage increases. Choose a large capacity microwave for families or entertainers.
Installation and venting options
Built-in microwaves integrate seamlessly into cabinetry, requiring precise cabinet cutout dimensions. Verify that the unit’s specified cutout requirements precisely match your existing or planned opening to avoid costly modifications. For over-the-range installations, ensure the microwave’s dimensions are compatible with standard hood configurations.
Recirculating exhaust systems are suitable for kitchens without external venting, filtering air back into the room; choose this if venting is impossible. Opt for a vented exhaust system for superior smoke and odor removal.
Select the installation type and venting that aligns with your kitchen’s existing infrastructure.
Control panel and features
Digital touch panels offer precise control and a sleek aesthetic, ideal for users who appreciate modern interfaces and ease of cleaning. For simplicity and tactile feedback, knob controls remain a reliable choice. Prioritize sensor cooking and reheating functions; they automatically adjust cooking time and power for optimal results without guesswork.
Preset programs are convenient for common items. Choose digital controls with sensor cooking for the most intuitive and effective user experience.
Select basic knob controls for straightforward operation.
Power levels and cooking technology
Aim for a minimum of 1000 watts for efficient cooking and reheating, with 1200 watts providing superior speed and performance. Inverter technology is a must-have for even cooking, consistently delivering power for better texture and heat distribution. If you entertain or bake frequently, consider models with convection and steam capabilities, which expand the microwave’s functionality significantly.
For everyday use and quick meals, a 1000-1200 watt microwave with inverter technology is the most effective choice. Add convection for expanded culinary options.
Which Should You Choose?
- If you frequently cook for a large family or need to reheat large dishes, choose a model with a 2.0 cu. ft. capacity or larger.
- If you prioritize even cooking and precise temperature control, look for microwaves with Inverter Technology.
- If you’re looking to consolidate appliances and want a versatile cooking solution, consider a 4-in-1 combo oven with air frying capabilities.
- If cabinet space is limited and you need a compact yet functional microwave, opt for a smaller, under 1.5 cu. ft. capacity model.
Quick Best 20 Built In Microwave Buying Checklist
- Measure Your Space: Confirm cabinet dimensions and cut-out size before purchasing.
- Assess Capacity Needs: Consider how many people you cook for and the size of dishes you use.
- Evaluate Wattage: Higher wattage generally means faster and more even cooking.
- Check Venting: Determine if your kitchen requires an externally vented or recirculating model.
- Prioritize Controls: Choose between modern touch panels or classic knobs based on your preference.
- Look for Smart Features: Consider sensor cooking or preset programs for added convenience.
Frequently Asked Questions
What Is The Typical Wattage Range For Built-In Microwaves?
Built-in microwaves typically range from 900 to 1200 watts. Higher wattage allows for faster cooking and reheating of food. When selecting, consider if you primarily heat beverages or cook full meals, as this will influence the optimal power level.
How Important Are Preset Cooking Programs On A Built-In Microwave?
Preset programs can add significant convenience to your cooking experience. Features like ‘popcorn,’ ‘potato,’ or ‘reheat’ automatically adjust time and power levels. These presets are beneficial for quick meal preparation and ensure optimal results with minimal user input.
What Differentiates Sensor Cooking From Manual Cooking In A Microwave?
Sensor cooking uses built-in humidity sensors to automatically adjust cooking time and power for optimal results. Manual cooking requires you to set the time and power level yourself. Sensor technology helps prevent over or undercooking, making it ideal for reheating and cooking various foods.
Can A Built-In Microwave Vent Outwards, Or Are They All Recirculating?
Built-in microwaves can be either externally vented or recirculating, depending on the model and installation. Externally vented models exhaust air and odors outside the home, while recirculating models filter and return air to the kitchen. Your kitchen’s infrastructure will determine the best option.
What Interior Capacity Is Generally Suitable For A Family Of Four?
For a family of four, a built-in microwave with a capacity of 1.5 to 2.0 cubic feet is generally suitable. This size accommodates larger dishes and allows for more flexible cooking and reheating. It ensures you can fit multiple items or larger casseroles with ease.
Final Words
Investing in the best 20 built-in microwave offers unparalleled convenience and sleek integration into your kitchen design. With options for diverse cooking needs and space constraints, these appliances streamline meal preparation. Upgrade your kitchen with a feature-rich built-in microwave that perfectly balances style and functionality.

