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An under-counter microwave makes use of otherwise wasted space and keeps countertops clear while delivering everyday reheating and cooking tasks. Installing a unit below the counter changes how you measure cabinet openings, plan ventilation, and reach controls, so choosing the right model matters for safe, reliable operation and simple upkeep. This guide covers seven shortlisted under-counter microwaves that suit common under-cabinet and under-counter installs. We evaluated each option for installation fit, ventilation needs, control accessibility, and serviceability so you can pick a unit that works in your kitchen layout. Read on for practical buying criteria and answers to common install questions before the product list.
Top Picks at a Glance
| Best Overall The best all-around choice for most situations | Frigidaire Gallery GMBS3068BF |  |
| Best Quality Built to a higher standard if you want something more solid | Sharp Microwave Drawer SMD3070ASY |  |
| Best Value The sweet spot between price and what you get | GASLAND Microwave Drawer 24" |  |
| Best Budget The cheapest option that still gets the job done reliably | KoolMore Microwave Drawer KM-MD-1SS |  |
| Top Rated A top-rated pick with lots of positive feedback | AAOBOSI 24" Built-In Microwave Convection Oven |  |
| Most Popular A crowd favorite that many people choose with confidence | Sharp Microwave Drawer SMD2470ASY |  |
| Best Seller A high-volume bestseller chosen again and again | Summit 24" Built-In Microwave SMBI24 |  |
Frigidaire Gallery GMBS3068BF
| Wattage | 1100 |
|---|---|
| Capacity | 2.2 cubic feet |
| Number of Power Levels | 11 |
| Heating Method | microwave radiation |
The Frigidaire Gallery GMBS3068BF is a built-in under-counter style microwave that offers a roomy 2.2 cubic foot cavity and 1100 watts for quicker reheating and cooking. It uses a touchscreen controller with 11 power levels and three sensor-driven programs — sensor cook, sensor reheat, and quick start — so the oven can adjust time and power automatically for many common foods. The stainless steel interior and exterior make it easy to wipe clean and helps resist staining from spills. Installation is intended for built-in applications, and a trim kit is sold separately to give a finished look in cabinetry. Practical benefits include the child safety lock, auto defrost, and a timer function for precise cooking. Limitations to consider are the need to purchase the trim kit for a finished under-counter installation and that the control set is focused on basic sensor programs rather than advanced presets or smart connectivity.
Best for: Buyers who want a capable built-in microwave with a larger cavity and straightforward touchscreen controls for everyday family cooking and reheating.
Less Ideal for: Those who need integrated smart features, extensive preset cooking modes, or a fully finished built-in appearance without buying additional trim parts.
- Spacious 2.2 cu. ft. cavity fits larger plates and casserole dishes
- 1100 watts delivers faster heating compared with lower-power countertop models
- Touchscreen controls with 11 power levels and sensor cook/reheat simplify use
- Stainless steel interior is easy to clean and durable for regular use
- Trim kit is sold separately so under-counter installation requires an extra purchase
- No smart connectivity or advanced preset programs beyond the three sensor modes
Verdict: A roomy, higher-power built-in microwave that delivers practical sensor cooking and easy cleanup for buyers seeking a solid under-counter option.
Sharp Microwave Drawer SMD3070ASY
| Wattage | 950 watts |
|---|---|
| Capacity | 1.2 cubic feet |
| Installation Type | Built-In |
| Cooking Program | Convection, Defrost, Grill, Microwave, Sensor Cook |
| Voltage | 120 volts |
The Sharp SMD3070ASY is a built-in microwave drawer that brings microwave cooking below the countertop with a low-profile stainless steel design and a concealed angled control panel. It opens with an Easy Touch automatic drawer for hands-free access and fits common cookware like a 4-quart casserole or a tall 20-ounce cup. At 950 watts it offers straightforward microwave performance plus sensor cook, defrost, grill and convection program listings that extend cooking options beyond reheating. The hidden controls that tilt out 45 degrees improve usability when installed under an island or wall cabinet, and the stainless-steel interior and exterior help with cleanup and longevity. Limitations include only two explicit power levels listed and modest documentation of program details, so advanced precision cooking may require trial and error compared with ovens that list many power stages. Installation is built-in only, so plan for proper cabinetry cutout and potential professional fitting. For buyers wanting a sleek, under-counter microwave that combines convenience with broad placement flexibility, this model delivers practical performance.
Best for: Buyers who prioritize streamlined kitchen design and convenient under-counter placement while wanting a capable everyday microwave that handles common cookware and straightforward cooking tasks.
Less Ideal for: Users who need many precise power settings, highly detailed convection/grill programming, or a portable countertop unit for flexible placement should consider alternatives.
- Low-profile built-in design that allows under-counter or below-wall-oven placement
- Easy Touch automatic drawer for hands-free open and close and easier access
- Concealed angled control panel that improves visibility and keeps controls out of sight
- 1.2 cubic foot cavity fits common cookware like 4-qt casserole dishes and tall beverage containers
- Stainless-steel interior and exterior for easier cleanup and a durable finish
- Only two listed power levels which limits fine-grain power control for delicate tasks
- Manufacturer information provides limited detail on the convection and grill program specifics
Verdict: Choose the Sharp SMD3070ASY if you want a sleek, built-in under-counter microwave drawer that combines practical 950-watt cooking with easy-access drawer convenience for everyday kitchen use.
GASLAND Microwave Drawer 24"
| Capacity | 1.2 cubic feet |
|---|---|
| Wattage | 1000 watts |
| Power levels | 11 |
| Installation type | Drawer |
This GASLAND microwave drawer is designed for under-counter or island installation and offers a convenient, accessible alternative to traditional countertop or over-the-range units. The 1.2 cu ft cavity handles plates, bowls, and a 12-inch pizza, while the 1000W output and 11 power levels let you reheat, defrost, melt, and soften with more precision than single-power microwaves. One-touch auto open and anti-pinch protection make loading and unloading easy and safer, and the touchscreen control with four auto-menus simplifies common tasks. Quiet mode reduces beeps for open-plan kitchens, and a child lock adds safety for families. The stainless steel interior is straightforward to wipe clean, but built-in drawer units require planning for cabinet cutouts and proper professional installation. If you need larger capacity or higher wattage for heavy-duty cooking, this unit may feel modest, but for daily reheating and defrosting in a streamlined kitchen layout it performs as intended.
Best for: Buyers who want a neat, accessible under-counter microwave for everyday reheating, thawing, and light cooking and who prioritize a streamlined look and quiet operation.
Less Ideal for: Those who need very high-power microwaving, frequent heavy cooking, or who cannot accommodate a custom under-counter installation should consider other options.
- Drawer design with one-touch auto open for easier access in under-counter or island installs
- 1.2 cu ft interior fits dinner plates and a 12-inch pizza
- 1000W power with 11 adjustable power levels for flexible reheating and defrosting
- Quiet mode and child lock improve usability in open kitchens and family homes
- Stainless steel interior is easy to clean
- Built-in drawer installation requires precise cabinet space and likely professional fitment
- 1000W output may be underpowered for users who want faster, high-intensity cooking
Verdict: Choose this microwave drawer if you want an accessible, quiet under-counter unit that handles everyday reheating and defrosting while keeping countertops clear.
KoolMore Microwave Drawer KM-MD-1SS
| Wattage | 1000 watts |
|---|---|
| Capacity | 1.2 cubic feet |
| Number of Power Levels | 10 |
| Voltage | 120 volts |
| Installation Type | Built-In |
The KoolMore KM-MD-1SS is a pull-out microwave drawer designed for built-in, under-counter installation to save countertop space while delivering full microwave performance. It cooks at 1000 watts across 10 power levels and includes time, memory, timer, and defrost programs, which makes it useful for reheating plates, defrosting meals, and quick everyday cooking. The flat bottom and slow-close, one-touch drawer make loading plates and serving simple in a lower cabinet position, and the stainless-steel finish gives a clean, built-in look. Controls combine buttons and touch input for straightforward operation, and the included turntable maintains even heating. Limitations to consider are the 1.2 cu ft capacity, which is smaller than some full-size over-the-range units, and the need for built-in installation which may require cabinet modification and professional fitting for a flush finish. For buyers on a budget, it provides many features found in pricier drawer models but expect typical installation costs and a basic one-year parts and labor warranty.
Best for: Buyers seeking an affordable under-counter microwave that frees up counter space and delivers straightforward, everyday cooking features in a compact built-in form.
Less Ideal for: People who need large capacity microwave cooking for big cookware or who want a plug-and-play countertop unit without cabinet work.
- Built-in drawer design saves countertop space and suits under-counter installation
- 1000W power with 10 selectable power levels and memory/timer functions for versatile cooking
- Flat bottom and slow-close one-touch drawer simplify loading and retrieval of dishes
- Stainless-steel interior and exterior for a cohesive, easy-to-clean finish
- Includes turntable to promote even heating across dishes
- Requires built-in installation and possible cabinet modification
- 1.2 cu ft capacity may be small for larger cookware or big family needs
Verdict: A budget-friendly under-counter microwave drawer that saves counter space while delivering full 1000W cooking power and useful timer/memory controls.
AAOBOSI 24" Built-In Microwave Convection Oven
| Capacity | 1.6 cubic feet |
|---|---|
| Wattage | 1000 watts |
| Power levels | 11 |
| Heating method | Convection |
| Voltage | 120 volts |
This AAOBOSI 24-inch built-in microwave convection oven combines a 1.6 cu ft interior with microwave, convection, broil, and air-fry functions to handle reheating, baking, broiling, and crisping in one under-counter unit. It offers 11 microwave power levels, touch glass controls, sensor cook/reheat and one-touch auto menus that simplify common tasks, plus ten preset air-fry options and a manual DIY mode for custom crisping. The convection fan and broil element support more even roasting and baking than a plain microwave, and included accessories — turntable, baking rack, grill pan and ceramic tray — let you run multi-level cooks. The stainless steel exterior and wipe-clean inner metal surface make maintenance straightforward, while a child lock and built-in LED light add everyday safety and convenience. Buyers should note the unit lists separate high-power elements for convection and broil and requires a 20A 120V circuit, so installation needs proper electrical provision and built-in cutout planning. For kitchens that need a compact under-counter microwave that doubles as a small convection oven and air fryer, this model delivers a reliable, feature-rich option.
Best for: Buyers who prioritize a dependable, multi-function under-counter oven that consolidates microwave, convection, broil, and air-fry capabilities for everyday family cooking and prefer straightforward controls and easy cleaning.
Less Ideal for: Shoppers looking for a lightweight plug-and-play countertop microwave or those who cannot provide a 20A dedicated circuit and built-in installation.
- Multi-mode cooking: microwave, convection, broil, and air fry in one unit
- 11 microwave power levels plus sensor cook/reheat for precise control
- Includes accessories for multi-level and varied cooking (turntable, racks, trays)
- Stainless steel exterior and wipe-clean interior for easier maintenance
- Requires a dedicated 20A 120V circuit for built-in installation
- Relatively heavy and may need professional installation for under-counter fit
Verdict: A reliable under-counter solution that combines microwave, convection, broil, and air-fry functions into a single, easy-to-clean unit for everyday family cooking.
Sharp Microwave Drawer SMD2470ASY
| Wattage | 950 watts |
|---|---|
| Capacity | 1.2 cubic feet |
| Power Levels | 10 |
| Voltage | 120 volts |
| Number of Programs | 3 |
The Sharp SMD2470ASY is a built-in microwave drawer designed for under-counter or island installation that hides the unit from sightlines until you need it. It opens on an automatic drawer slide and presents a concealed control panel that tilts to a 45 degree angle for easy viewing and touch operation. With 950 watts and a 1.2 cubic foot cavity the drawer fits a 4 quart casserole or a tall beverage and supports basic cook, defrost and timer programs across 10 power levels. The stainless steel interior and exterior make it easy to wipe clean and the unit is intended for residential built-in installations. Practical benefits include flexible placement below counters to streamline prep work and a low profile that keeps the kitchen design uncluttered. Limitations are the lack of advanced cooking modes beyond basic programs and the need for a proper cabinet cutout and installation for flush built-in looks, which adds complexity compared with a plug-in countertop microwave.
Best for: Buyers who prioritize a seamless, under-counter kitchen layout and want a durable, easy-to-clean microwave drawer that simplifies reach and prep work while fitting into a finished cabinet design.
Less Ideal for: Shoppers who need advanced cooking modes like convection or air fry, or who want a simple plug-and-play countertop microwave without cabinet modification.
- Built-in drawer design enables under-counter placement and cleaner sightlines
- Concealed touch control panel that opens to a readable 45 degree angle
- Spacious 1.2 cu ft cavity fits a 4 qt casserole or tall beverage
- Stainless steel interior and exterior for easier cleaning and a premium look
- Offers only basic cook, defrost and timer programs without advanced presets or convection features
- Requires cabinet cutout and built-in installation which may need professional fitting
Verdict: Choose this microwave drawer when you want a streamlined under-counter unit that hides controls and frees up countertop space while handling everyday reheating and cooking tasks.
Summit 24" Built-In Microwave SMBI24
| Wattage | 1000 watts |
|---|---|
| Capacity | 1.2 cubic feet |
| Controller Type | Touch |
| Installation Type | Built-In |
The Summit SMBI24 is a 1000-watt built-in microwave designed to fit 24-inch cabinet openings and includes a polished stainless steel trim kit for clean under-counter or over-oven installation. It provides a 1.2 cubic foot cavity with a removable glass turntable and a white interior that makes cleanup straightforward. Controls are touch-based and include common presets for popcorn, pizza, beverages and defrost, plus multistage programming and a quick 30-second add feature for everyday reheating. The unit vents out the front so it can be installed in lower cabinets without rear clearance, and a child lock helps prevent accidental changes. Practical benefits are simple installation into the specified cutout, familiar preset cooking modes, and an included trim kit so you do not need extra trim accessories. Limitations are the single power level ceiling at 1000W which may lengthen cook times for larger dishes and the relatively small capacity compared with full-size over-the-range models, so it suits standard reheating and simple cooking tasks rather than heavy-duty meal prep.
Best for: Buyers who want a straightforward, factory-ready built-in microwave for under-counter or over-oven installation and value an included trim kit and simple controls over advanced connectivity or high power.
Less Ideal for: Those who need very fast cooking or large-capacity meal prep should consider larger, higher-wattage models instead.
- Built-in design with included 24" stainless steel trim kit for clean installation
- 1000W power with common preset cooking programs for simple everyday use
- 1.2 cu ft interior with removable glass turntable for easier cleaning
- Front-venting allows under-counter or over-oven placement without rear clearance
- Touch controls with multistage cooking and quick 30-second add feature
- 1000W output is modest compared with higher-power microwaves so some foods take longer to heat
- Capacity and footprint are smaller than full-size over-the-range units, limiting large dish use
Verdict: Choose the Summit SMBI24 if you need a reliable, ready-to-install 24" built-in microwave with familiar presets and a supplied trim kit for neat under-counter placement.
Choosing the Right Under-Counter Microwave: Key Factors to Consider
Cabinet Opening and Mounting Options
Measure your cabinet opening and interior depth precisely before choosing an under-counter microwave. Undercounter units require specific cutout dimensions and clearance for airflow and wiring. Some models offer adjustable mounting brackets or trim kits that accommodate slightly different opening sizes, while others need exact fit.
If you plan to install the unit below a counter or under a cabinet, also verify the countertop thickness, drawer or appliance placement adjacent to the installation, and whether the unit needs a face frame or filler pieces. Accurate measurements reduce the chance of costly modifications or returns and ensure the microwave sits flush and secure.
Ventilation and Cooling Requirements
Under-counter mounting restricts natural airflow compared with wall-mounted or over-the-range installations, so ventilation design matters for longevity and safety. Check whether the unit vents to the rear, top, or recirculates air through a charcoal filter. Each option has tradeoffs: rear or top venting often requires a duct run, while recirculating models are easier to install but may need more frequent filter changes.
Also confirm the clearance needed around the cavity for heat dissipation. Poor ventilation can cause overheating, reduced component life, and reduced cooking performance. Prioritize models with clear venting instructions and accessible filters for routine cleaning.
Control Location and Ease of Use
When mounted under the counter or below a cabinet, control placement determines how comfortably you can operate the microwave. Controls located along the front face angled upward are easier to read and press from a lower position, while controls on the top or recessed positions can be awkward.
Consider the visibility of displays and proximity of door handles to your typical standing or seated position. If multiple household members will use the microwave, prioritize intuitive button layouts and tactile feedback. Child lock and timed start features are useful safety options for lower-mounted units that might be within reach of children.
Cooking Power and Performance
Wattage and cavity design influence how evenly and quickly the microwave heats food. For everyday reheating and simple cooking, choose a unit with sufficient wattage to match your usage patterns; higher wattage shortens cook times but may require adjustments to recipes.
Also evaluate the interior cavity shape and whether the turntable diameter fits your typical plates and containers. Some under-counter designs include inverter technology or sensor cooking to improve consistency. For households that rely on the microwave for frequent meals, prioritize models with stable power delivery and simple power-level control.
Maintenance, Access, and Serviceability
Under-counter units can be harder to service because of limited access around the back and top. Look for models with easily removable filters, accessible light bulbs, and front-access panels for routine maintenance. Removable turntables and smooth interior surfaces cut cleaning time and reduce buildup of grease.
Confirm recommended service clearances and whether the unit requires slide-out mounting for repair. Readily available replacement parts and straightforward instructions reduce downtime and expense if a component needs servicing.
Noise, Lighting, and User Comfort
Noise level matters in open-plan homes where a lower-mounted microwave sits near living spaces. Check published acoustics or user-focused notes on fan noise during operation and cooling. Interior lighting and the door mechanism also affect how easy it is to use the appliance at lower heights.
Prefer models with quiet cooling fans, bright but non-glaring interior lights, and a door that opens smoothly without excessive force. These comfort factors make daily use more pleasant and reduce frustration for all household members.
Planning the Installation
Before you buy, map out the intended location including nearby cabinets, drawers, and the electrical source. Identify the precise cutout dimensions and routing for power and any required ducting. If you are not comfortable with in-wall wiring or cutting cabinetry, budget for professional installation.
Verify whether the model you choose needs a dedicated circuit or specific outlet orientation. In many under-counter installs the outlet sits inside the cabinet cavity, so measure to ensure the cord reaches without pinching and that plugs clear the cabinet back.
- Measure height, width, and depth of the cavity twice for accuracy
- Plan ventilation route early to avoid last-minute modifications
- Confirm electrical outlet position and access for future servicing
Ventilation Options and Tradeoffs
Under-counter microwaves come with rear-vent, top-vent, or recirculating options. Rear or top venting usually performs best for heat removal but may require cutting a duct through cabinet backs or into cavity walls. Recirculating systems are simpler to install but rely on filters and will not remove humid cooking air from the room.
Consider how often you cook steam-heavy foods. If you frequently cook meals that generate a lot of moisture or odors in the same space, a properly ducted vent helps maintain indoor air quality and reduces stray humidity in the cabinet cavity.
- Ducted venting removes heat and moisture from the kitchen area
- Recirculating models are easier to install but need filter upkeep
- Allow manufacturer-recommended clearances for reliable cooling
Ergonomics for Lower Mounting
The height of an under-counter microwave can affect who in the household uses it most. For shorter users or children, lower-mounted controls and easy-open doors are advantages. For taller users, bending to reach controls occasionally is acceptable, but repeated use can be uncomfortable.
Test door swing direction and clearance to ensure the door does not interfere with adjacent drawers or workflow in the kitchen. Consider whether the unit will be used for plating or serving directly from the cavity and plan countertop space accordingly.
- Prefer angled or front-facing controls for legibility when mounted low
- Check door clearance relative to adjacent drawers and appliances
- Account for typical user heights when picking placement
Cleaning and Long-Term Upkeep
Select interiors with easy-to-wipe finishes and removable turntables to speed cleaning. Grease and splatter are harder to manage in confined under-counter cavities, so surfaces that resist staining reduce maintenance time. Regularly clean any recirculating filters and check vents for lint or buildup.
Plan for future part replacement by checking how accessible common service points are from the front. Units that allow front-panel removal or slide-out access simplify repairs and reduce the need to unmount the entire appliance.
- Look for front-accessible filters and simple turntable removal
- Wipe interiors regularly to prevent stubborn grease stains
- Confirm replacement part availability and simple access
Safety Considerations for Built-In Use
Under-counter placement changes how heat dissipates in the cabinet cavity and how children access the appliance. Ensure the installation follows recommended clearances and local codes for electrical and ventilation. Child locks and delayed-start features add protections for busy households.
Verify that the door latch and gasket form a secure seal and that the control panel has clear on/off indicators. Avoid placements directly above heat-producing drawers or appliances that could funnel heat into the microwave cavity.
- Follow clearance and venting guidelines to prevent overheating
- Use child lock features if the unit is reachable by small children
- Confirm the door seals properly and the latch operates reliably
How We Chose the Best Under-Counter Microwave
We focused on features and specifications that directly affect under-counter installation, daily use, and long-term reliability. Primary evaluation criteria included cabinet-fit flexibility, ventilation and airflow design, control and access ergonomics for lower mounting, power and cooking uniformity for common tasks, and serviceability including ease of filter or lamp replacement. We also considered build quality and materials that resist grease and moisture common in lower kitchen cavities. We excluded countertop-only units and any model without documented under-counter or built-in installation options. Items that required extensive cabinet modification beyond standard cutouts were not considered primary picks. The shortlist emphasizes units with clear mounting instructions, adaptable trim or mounting kits, and practical safety features for lower placement. These editorial filters align with the scoring dimensions above so each listed unit earns a straightforward assessment against real user concerns for under-counter use.
Our full evaluation process is outlined in our review methodology.
FAQ
Can any microwave be installed under the counter?
Not every microwave is suitable for under-counter installation. Only units designed or rated for built-in or under-counter mounting should be used. Countertop microwaves often lack the mounting brackets, trim kits, or ventilation options required for safe built-in use.
Do under-counter microwaves need special ventilation?
Yes. Undercounter mounting restricts natural airflow, so check whether the unit requires ducted venting, top or rear clearance, or offers a recirculating mode with filters. Proper ventilation prevents overheating and maintains performance over time.
How much clearance do I need around the microwave?
Clearance requirements vary by model but typically include minimal gaps at the sides, extra space behind for the power cord and venting, and a top clearance for heat dissipation. Consult the installation guide for exact measurements and leave any required service access.
Is it hard to service an under-counter microwave?
Servicing can be more involved than with countertop units because of limited access around the cabinet. Models with front-access panels or slide-out mounting simplify routine tasks. Verify that filters, bulbs, and common components can be reached without full uninstallation.
Are there differences in cooking performance for under-counter models?
Cooking performance depends mainly on wattage, cavity design, and any sensor or inverter technology. The mounting position does not inherently change heating, but poor ventilation or clogged filters can affect consistency over time.
Can I install an under-counter microwave myself?
If you are experienced with cabinet modification and basic electrical work, you may be able to install the unit yourself, especially models that use standard cutouts and plug into an interior outlet. For hardwired connections, ducting, or complex trim work, professional installation is recommended.
Final Verdict
Choosing the right under-counter microwave means balancing cabinet fit, ventilation, and ease of use. Prioritize models that match your cavity dimensions, offer clear venting paths or accessible filters, and place controls where users can operate them comfortably. Tradeoffs are common: easier installations may use recirculating ventilation that requires more upkeep, while ducted setups perform better but need more planning. Focus on installation compatibility and long-term serviceability to ensure a trouble-free built-in microwave experience.