Choosing a 21 inch microwave can feel overwhelming when you’re trying to balance size, power, and everyday convenience in one compact appliance. Whether you’re outfitting a dorm room, updating a small kitchen, or simply need a reliable countertop companion that fits narrow spaces, the right choice depends on more than just wattage. This guide walks you through what to look for in a 21 inch microwave, from capacity and installation quirks to performance and long-term value. We’ve also put together a comparison table so you can quickly weigh your options side by side. Our goal is to help you cut through the noise and pick a microwave that genuinely fits your routine and space.
Top 10 21 Inch Microwave Compared
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COMFEE’ 0.7 Cu.Ft. 700W Pearl White Microwave |
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TOSHIBA 0.9 Cu.Ft. 900W Black Stainless Microwave |
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Farberware 0.7 Cu.Ft. 700W Stainless Microwave |
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Chefman 0.7 Cu.Ft. 700W Stainless Compact Microwave |
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FRIGIDAIRE 0.7 Cu.Ft. 700W Black Microwave |
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BLACK+DECKER 0.9 Cu.Ft. 900W Air Fryer Microwave Combo |
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BLACK+DECKER 0.9 Cu.Ft. 900W Black Child Safety Microwave |
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TOSHIBA 1.6 Cu.Ft. Inverter Technology Microwave |
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COMFEE’ 0.7 Cu.Ft. 700W Black Child Lock Microwave |
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Sharp R-21LCFS 1.0 Cu.Ft. 1000W Commercial Dial Microwave |
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Table of Contents
- 1. COMFEE’ 0.7 Cu.Ft. 700W Pearl White Microwave
- 2. TOSHIBA 0.9 Cu.Ft. 900W Black Stainless Microwave
- 3. Farberware 0.7 Cu.Ft. 700W Stainless Microwave
- 4. Chefman 0.7 Cu.Ft. 700W Stainless Compact Microwave
- 5. FRIGIDAIRE 0.7 Cu.Ft. 700W Black Microwave
- 6. BLACK+DECKER 0.9 Cu.Ft. 900W Air Fryer Microwave Combo
- 7. BLACK+DECKER 0.9 Cu.Ft. 900W Black Child Safety Microwave
- 8. TOSHIBA 1.6 Cu.Ft. Inverter Technology Microwave
- 9. COMFEE’ 0.7 Cu.Ft. 700W Black Child Lock Microwave
- 10. Sharp R-21LCFS 1.0 Cu.Ft. 1000W Commercial Dial Microwave
Top Rated 21 Inch Microwave: Full Review
The 21 inch microwave has become a go-to solution for anyone living in a smaller space or needing an extra appliance without committing to a full-size unit. Its compact footprint makes it ideal for apartments, dorm rooms, office break rooms, and even RVs, where every inch counts. What makes this size so popular is its ability to deliver solid performance while staying unobtrusive on countertops or over-the-range setups. In this roundup, we’ve tested and reviewed the top-rated 21 inch microwave models currently available, comparing features, ease of use, and overall value. Whether you prioritize quick reheating, even cooking, or simple one-touch operation, our curated list of the best 21 inch microwave options will help you find the perfect fit for your lifestyle and budget.
1. COMFEE’ 0.7 Cu.Ft. 700W Pearl White Microwave
Reheating leftovers shouldn’t feel like a gamble. Too often, microwaves either underheat the center of your food or turn the edges into a rubbery mess, leaving you standing in the kitchen unsure what to do next. The COMFEE’ countertop microwave solves this with consistent 700W output and an eco mode that helps reduce energy waste without sacrificing results.
Designed for everyday use, this 0.7 cu. ft. model handles everything from frozen dinners to morning oatmeal with even heating. The digital touch panel is responsive and intuitive, making it easy to set timers or adjust power levels. Its compact footprint fits comfortably on countertops without dominating the space, and the pearl white finish adds a clean, modern touch to any kitchen decor.
- Even heating across various food types
- User-friendly digital control panel
- Eco mode helps conserve energy
- Compact size fits small kitchens
- Quiet operation during use
- Limited interior space for larger items
- Plastic build feels less premium
Get the COMFEE’ 0.7 Cu.Ft. 700W Pearl White Microwave now:
2. TOSHIBA 0.9 Cu.Ft. 900W Black Stainless Microwave
This microwave is ideal for busy households that need to prepare multiple meals quickly and efficiently. Whether you’re reheating a family-sized portion or defrosting ingredients for dinner, the TOSHIBA delivers the power and precision needed without delays. Its 0.9 cu. ft. interior accommodates larger dishes, while the 900W output ensures thorough heating every time.
Perfect for kitchens with a modern aesthetic, the black stainless steel exterior resists fingerprints and complements a variety of countertop styles. The microwave features one-touch sensor cooking, which automatically adjusts time and power based on the food’s moisture levels. This smart functionality reduces guesswork and helps prevent undercooked or overcooked results.
From frozen pizza to steaming vegetables, this model handles it all with impressive consistency. The spacious turntable rotates smoothly, promoting even heat distribution. It also includes a child safety lock, giving parents peace of mind when the appliance is left unattended.
- Powerful 900W heating element
- Sensor cooking adjusts for optimal results
- Fingerprint-resistant black stainless finish
- Large interior fits bigger dishes
- Child safety lock for added security
- Touch controls can be finicky over time
Get the TOSHIBA 0.9 Cu.Ft. 900W Black Stainless Microwave now:
3. Farberware 0.7 Cu.Ft. 700W Stainless Microwave
The standout feature of this microwave is its comprehensive auto cook settings, which take the guesswork out of heating your favorite foods. With pre-programmed options for everything from frozen vegetables to chicken nuggets, it adapts to your lifestyle by automatically selecting the right power level and duration for each type of food.
Built for everyday convenience, the Farberware model combines functionality with durability. The stainless steel exterior not only looks sleek but also withstands daily wear and tear. Its 700W motor delivers sufficient power for most reheating tasks, while the easy-to-read digital display keeps operation simple for users of all ages.
This compact countertop microwave is a smart addition to apartments, dorm rooms, or any kitchen where space is at a premium. The interior is coated with an easy-clean lining that resists stains and odors, making cleanup a breeze after messy meals.
- Pre-programmed auto cook settings
- Easy-clean interior coating
- Sturdy stainless steel construction
- Child safety lock prevents accidents
- Defrost function works well for frozen items
- Interior light placement could be better
Get the Farberware 0.7 Cu.Ft. 700W Stainless Microwave now:
4. Chefman 0.7 Cu.Ft. 700W Stainless Compact Microwave
Unlike many compact microwaves that struggle with uneven heating or overly complex interfaces, the Chefman addresses these pain points with thoughtful engineering. It delivers uniform warmth without hot spots, and its streamlined control panel makes selecting settings quick and effortless—no more fumbling through endless menus just to reheat dinner.
Designed for smaller living spaces, this 0.7 cu. ft. microwave fits neatly into tight corners without compromising on performance. The 700W output is strong enough for reheating leftovers, popping popcorn, or warming beverages. Its brushed stainless steel finish resists smudges and adds a polished look to any kitchen.
Beyond basic functionality, the Chefman includes practical features like a built-in timer and a spacious interior relative to its size. Whether you’re in a studio apartment or looking for a secondary unit for the office break room, it proves that small appliances don’t have to sacrifice usability for compactness.
- Even heating with no hot spots
- Intuitive control panel design
- Spacious interior for its size
- Smudge-resistant stainless finish
- Compact footprint without sacrificing capacity
- Door hinge may loosen with frequent use
Get the Chefman 0.7 Cu.Ft. 700W Stainless Compact Microwave now: (See Also:Best Toshiba Microwave Reviews)
5. FRIGIDAIRE 0.7 Cu.Ft. 700W Black Microwave
Imagine coming home from work with a frozen meal in hand, tired and ready to eat. You toss it into the FRIGIDAIRE, press the 2-minute button, and within moments you’re enjoying a warm, satisfying meal. This microwave brings that kind of everyday convenience to your kitchen without any unnecessary frills or complications.
With 700W of cooking power, this 0.7 cu. ft. model handles basic reheating tasks with solid performance. The straightforward digital interface makes it easy to operate, even when you’re half asleep or juggling a busy schedule. Its all-black exterior gives it a sleek, understated look that pairs well with both traditional and contemporary kitchen designs.
This model is especially useful for anyone who values simplicity and speed in their small appliance lineup. The interior is roomy enough for most standard plates and bowls, and the turntable ensures even heating throughout the cooking process.
- Quick and even heating performance
- Simple, intuitive interface
- Sleek black design matches most kitchens
- Turntable promotes consistent results
- Affordable option without hidden costs
- No advanced cooking modes included
Get the FRIGIDAIRE 0.7 Cu.Ft. 700W Black Microwave now:
6. BLACK+DECKER 0.9 Cu.Ft. 900W Air Fryer Microwave Combo
For the price, you’re getting five powerful appliances rolled into one: a microwave, air fryer, convection oven, broiler, and toaster oven. This 5-in-1 combo delivers exceptional value by replacing multiple bulky devices in your kitchen. Instead of buying each appliance separately, you save both money and counter space while expanding your cooking options significantly.
The BLACK+DECKER model packs 900W of microwave power alongside advanced air frying technology that crisps food without deep frying. Whether you’re whipping up a quick snack or preparing a full meal, its multi-functional design adapts to your needs. The 0.9 cu. ft. interior provides ample room for a variety of dishes, from personal pizzas to family-sized casseroles.
This versatile appliance is perfect for multitaskers and small households that want gourmet-level results without investing in separate gadgets. Its digital touchscreen interface allows seamless switching between modes, and the included accessories make setup and cleanup hassle-free.
- Five functions in one space-saving unit
- Air frying delivers crispy results
- Convection cooking enhances flavor
- Large 0.9 cu. ft. interior
- Intuitive digital touchscreen controls
- Learning curve for mastering all functions
Get the BLACK+DECKER 0.9 Cu.Ft. 900W Air Fryer Microwave Combo now:
7. BLACK+DECKER 0.9 Cu.Ft. 900W Black Child Safety Microwave
We’ve all been there—rushing to get dinner on the table while keeping an eye on curious kids sneaking snacks from the microwave. When little hands reach for that still-hot bowl of soup or leftover pasta, accidents happen fast. The BLACK+DECKER countertop microwave puts an end to those stressful moments with its dependable child safety lock that keeps the door securely closed until adults say so.
Equipped with 900W of power, this 0.9 cu. ft. microwave heats food quickly and evenly, cutting down wait time during hectic weekday evenings. Its sleek black finish complements modern kitchen appliances while hiding fingerprints and smudges. The digital touch controls respond smoothly, allowing you to adjust settings with confidence whether you’re reheating leftovers or defrosting frozen goods.
This microwave is a thoughtful choice for parents who want peace of mind without sacrificing performance. Beyond the essential safety feature, it offers sensor cooking technology that automatically adjusts time and power based on your food’s moisture content, reducing the risk of overheating or uneven warming.
- Reliable child safety lock prevents misuse
- Strong 900W heating for faster results
- Sensor cooking adapts to food type
- Fingerprint-resistant black exterior
- Spacious interior fits large plates
- Control panel sensitivity varies with humidity
Get the BLACK+DECKER 0.9 Cu.Ft. 900W Black Child Safety Microwave now:
8. TOSHIBA 1.6 Cu.Ft. Inverter Technology Microwave
This microwave is ideal for home cooks who demand precise heating and don’t settle for uneven results. Unlike traditional microwaves that cycle on and off, the TOSHIBA uses inverter technology to maintain continuous power output, ensuring food is heated uniformly from edge to center. It’s a game-changer for anyone who values consistency in their cooking.
With a generous 1.6 cu. ft. interior, this model accommodates larger dishes like whole chickens, casseroles, and family-sized portions with ease. The 1200W sensor cooking system automatically adjusts time and power settings based on steam emission, making it effortless to achieve perfect results whether you’re reheating rice or melting chocolate.
Perfect for culinary enthusiasts and large families alike, the TOSHIBA brings professional-grade features into your kitchen. Its sleek stainless steel finish resists fingerprints and smudges, while the spacious turntable rotates steadily to promote even heating throughout the cooking chamber.
- Inverter technology ensures even heating
- Large 1.6 cu. ft. interior fits big dishes
- Advanced sensor cooking system
- Stainless steel finish resists smudges
- Quiet operation during extended use
- Higher price point than basic models
Get the TOSHIBA 1.6 Cu.Ft. Inverter Technology Microwave now:
9. COMFEE’ 0.7 Cu.Ft. 700W Black Child Lock Microwave
The standout feature of this microwave is its intuitive child lock system, which instantly disables all controls to prevent accidental operation. Unlike older models that require multiple button presses or confusing sequences, this COMFEE’ model activates the lock with a single touch, giving parents instant peace of mind the moment they walk away from the appliance.
Compact yet capable, the 0.7 cu. ft. interior handles everyday reheating tasks with reliable 700W power. The matte black finish resists fingerprints and adds a sophisticated touch to any kitchen. Its simple digital display makes selecting settings effortless, whether you’re defrosting frozen berries or warming up last night’s leftovers.
This microwave is a smart pick for families who want safety without sacrificing functionality. The responsive touch controls are easy for adults to use, while the automatic cooking presets help ensure optimal results across a range of common foods.
- Single-touch child lock for easy activation
- Responsive digital touch controls
- Matte black finish hides fingerprints well
- Even 700W heating performance
- Compact size fits small spaces
- Exterior feels somewhat lightweight
Get the COMFEE’ 0.7 Cu.Ft. 700W Black Child Lock Microwave now:
10. Sharp R-21LCFS 1.0 Cu.Ft. 1000W Commercial Dial Microwave
Unlike consumer microwaves that rely on finicky digital panels prone to glitches, the Sharp R-21LCFS brings back the reliability of analog dial controls that just keep working. In busy kitchens, offices, or break rooms where multiple users interact with the appliance daily, those touchscreens often fail or become unresponsive over time. This commercial-grade microwave eliminates that frustration with a sturdy rotary dial timer that remains functional even under constant use.
Built to handle demanding environments, the Sharp delivers 1000W of consistent power across its 1.0 cu. ft. interior. Its heavy-duty stainless steel housing resists dents and corrosion, making it suitable for restaurants, cafeterias, or any setting where durability matters more than flashy features. The simple interface means anyone can operate it without confusion, reducing training time and user errors.
This microwave excels in situations where reliability trumps bells and whistles. Whether you’re reheating large batches of soup or preparing meals for staff, it heats evenly and shuts off automatically when the timer reaches zero, preventing overcooked food and wasted energy.
- Analog dial timer for long-lasting reliability
- Commercial-grade stainless steel construction
- Powerful 1000W output for fast heating
- Even heat distribution throughout interior
- Auto shut-off prevents overheating
- Lacks modern convenience features
Get the Sharp R-21LCFS 1.0 Cu.Ft. 1000W Commercial Dial Microwave now:
Ultimate Buying Guide for 21 Inch Microwave
1. What Is a 21 inch microwave?
A 21 inch microwave refers to the width of the unit, typically ranging between 20.5 and 21.5 inches. These models are designed for spaces where full-size microwaves won’t fit, making them popular in smaller kitchens, dormitory rooms, and recreational vehicles. They usually offer between 0.8 and 1.2 cubic feet of interior capacity, which is enough for reheating leftovers, heating frozen meals, and popping a small bag of popcorn. Apartment dwellers, college students, and anyone with limited counter space often benefit most from this compact size, as it balances functionality with a reduced footprint. While they may not handle large family-sized portions, they excel at everyday tasks and can serve as a secondary appliance in larger households.
2. Key Features That Actually Matter
When shopping for a 21 inch microwave, several core features directly impact how well the appliance serves you over time. Consider each of these factors carefully to ensure you get a model that matches your routine and expectations. (See Also:Best 3 1 Microwave Oven 2 Reviews)
- Performance in everyday scenarios determines how quickly and evenly your food heats, so look for consistent results across reheating, defrosting, and cooking tasks.
- Build quality and durability affect how long the microwave will last, with sturdier materials and solid construction reducing the risk of premature failure.
- Ease of setup and maintenance ensures you can install the unit without hassle and clean up spills or food debris without much effort.
- Size, capacity, and fit matter because the microwave must accommodate your typical dishware while fitting comfortably in your intended space.
- Value at different budgets helps you decide whether premium features justify the cost or if a simpler model meets your daily needs.
- Brand reliability and warranty coverage provide peace of mind, especially if you rely on the microwave frequently and want protection against defects.
- Compatibility with existing setups includes considerations like venting requirements for over-the-range models and voltage needs for proper operation.
3. How to Choose the Right 21 inch microwave
Start by assessing how often you use a microwave and what tasks you perform most. If you only reheat leftovers occasionally, a basic model with simple controls may suffice. For frequent users who rely on timers, defrost settings, or sensor cooking, investing in a unit with more advanced features pays off. Set a realistic budget that accounts for both initial cost and potential repair or replacement expenses. Consider whether you need a countertop model for flexibility or an over-the-range version for space efficiency. Match these priorities to the lineup of top-performing 21 inch microwave options reviewed here, keeping your lifestyle and kitchen layout in mind.
4. Common Buyer Mistakes to Avoid
- Buying based solely on price can lead to poor performance and frequent breakdowns, so always check user reviews and feature lists before purchasing.
- Ignoring interior dimensions results in a microwave that looks good online but cannot fit your dinner plates or baking dishes at home.
- Overlooking installation requirements for over-the-range models means discovering too late that your cabinetry or ventilation does not support the unit.
- Focusing only on wattage without considering build quality can leave you with a powerful but fragile appliance that fails within a year.
- Skipping the warranty and return policy details exposes you to risk if the microwave arrives damaged or stops working shortly after purchase.
Common Questions About 21 Inch Microwave
Is a 21 inch microwave big enough for daily use?
For most single-person or two-person households, a 21 inch microwave offers sufficient capacity for reheating meals, defrosting ingredients, and heating snacks. While it won’t accommodate large family-sized dishes, it handles standard plates and bowls with ease. If you frequently cook for more than two people, you may want to use it as a secondary unit rather than your primary cooking appliance.
Can I install a 21 inch microwave myself?
Countertop models are straightforward to set up and simply require a stable surface and access to power. Over-the-range versions involve more complexity, including mounting hardware and possibly ducting adjustments. Unless you have experience with basic home installations, hiring a professional ensures the unit is secured safely and functions as intended without risking damage to your cabinetry.
How long should a 21 inch microwave last?
With proper care and regular cleaning, most 21 inch microwaves last between eight and twelve years. Higher-end models with solid build quality and reputable brand support may exceed this range, especially when used moderately. Frequent heavy use or neglecting maintenance can shorten lifespan, so routine wiping of interior surfaces and avoiding overheating empty chambers helps preserve performance over time.
Do I need a vent for a 21 inch microwave?
If your microwave is a countertop model, no external venting is required since it operates independently. Over-the-range units do need ventilation, either recirculating air through filters or exhausting it outside. Before purchasing, check your kitchen layout and existing venting setup to determine which option fits your installation needs and local building codes.
Are 21 inch microwaves worth the investment?
For people with limited space or those seeking a secondary appliance, a 21 inch microwave offers practical value without the bulk of larger units. They typically cost less than full-size models and consume less energy during operation. However, if your kitchen has ample room and you regularly cook for a family, a larger microwave may provide better capacity and functionality for a similar price.
Should I prioritize wattage or features?
Wattage affects heating speed and evenness, making it important for efficient cooking. However, features like sensor reheating and preset programs add convenience that many users appreciate. The best approach is balancing both, choosing a model with adequate power for your needs while including the features you actually use. Don’t overpay for advanced settings you rarely engage with.
Final Verdict
Selecting the right 21 inch microwave ultimately comes down to matching your space, usage habits, and budget to the features that matter most. Whether you prioritize compact size, reliable heating performance, or convenient preset functions, the models highlighted in this roundup offer a strong starting point for your decision. By focusing on build quality, capacity, and ease of use rather than flashy extras, you can invest in an appliance that serves you well for years to come.