Finding the right kitchen appliances can be tricky when you’re short on space. If you live in an apartment, condo, or simply want to make your kitchen more efficient, a microwave oven combo is a smart investment. These versatile units let you microwave, bake, broil, roast, air-fry, and even steam, all in one appliance, saving both space and money.
This guide will walk you through the best microwave oven combos of 2025, comparing built-in and countertop models to help you decide which one fits your cooking style, kitchen layout, and budget.
4- ThermoMate 24-Inch Built-In Microwave + Convection Oven Combo | Best Large-Capacity Built-In
5- Midea 4-in-1 Multifunctional Steam + Air Fry + Microwave - Best for Health-Conscious Cooking
Best picks at a glance:
- Best Built-In Combo: KoolMore 24″ Stainless Steel Convection + Microwave (soft-close, broil, convection)
- Best Smart Countertop Combo: TOSHIBA Air Fryer + Inverter Microwave (touchscreen + Alexa control)
- Best Compact Air-Fry Combo: GE 4-in-1 Countertop Microwave (air fry + broil + convection)
- Best Large Built-In Combo: ThermoMate 24″ Built-In (1.6 cu ft capacity + convection system)
- Best Multifunction Steam Combo: Midea 4-in-1 Steam + Air Fry Microwave (IoT + graphene heating)
Tip: If you’re in a hurry, jump straight to the “Which Combo Is Right for You” section for quick recommendations based on your lifestyle.
Quick Comparison - At a Glance
Before diving into in-depth reviews, here’s a quick side-by-side look at the top 5 microwave oven combos of 2025. This table compares type, capacity, wattage, standout features, and best use cases, so you can quickly spot which one fits your needs.
KoolMore KM-CWO24-SS
- Build-in
- 1.5 cu. ft.
- 1000 W
- Soft-close door, convection + broil modes
- Best built-in 24" combo
TOSHIBA ML2-STC13SAIT(SS)
- Countertop
- 1.3 cu. ft.
- 1100W
- Air-fry + inverter tech + Alexa smart control
- Best smart/air-fry combo
- Large families, dinner parties
GE GCST10A1WSS
- Countertop
- 1.0 cu. ft.
- 1050W
- Built-in air-fry + broil in compact size
- Best compact air-fry option
ThermoMate 24" Built-In
- Built-in
- 1.6 cu. ft
- 1000 W (Microwave) / 1700 W (Convection) / 1750 W (Broil)
- Large cavity + convection + sensor cooking
- Best large built-in oven combo
Midea 4-in-1 Steam Microwave
- Countertop
- 0.9 cu. ft. (23 L)
- 1500W
- Steam + graphene heating + IoT control
- Best multifunction steam/air-fry combo
KoolMore KM-CWO24-SS - Best Built-In 24" Multi-Use Combo
Why It Stands Out:
A sleek, space-saving 24-inch built-in combo that combines microwave speed with convection + broil functions – ideal for modern kitchens that value both design and versatility.
Who It’s Best For:
Homeowners or renovators who want a built-in, space-efficient, and stylish combo oven for everyday cooking.
Quick Specs:
- Type: Built-in
- Capacity: 1.5 cu. ft.
- Power: 1000 W microwave
- Finish: Stainless steel
- Features: Convection bake, broil, soft-close door
What to Test/Compare:
- Oven cavity size and usable space vs 1.5 cu. ft. spec
- Cutout dimensions for cabinetry fit
- Soft-close door mechanism over repeated use
- Broil power for browning and crisping
- Temperature accuracy in convection mode
Pros
- Premium stainless steel design with flush, built-in look
- Soft-close door adds durability and luxury feel
- Multi-function: microwave + convection + broil in one unit
- 24" standard size fits most built-in cabinetry
- Even heating with convection fan
Cons
- Requires professional installation (not plug-and-play)
- Microwave power (1000 W) is slightly lower than some 1100–1200 W countertop models
- Limited color options (stainless steel only)
- Higher price point compared to countertop combos
TOSHIBA ML2-STC13SAIT(SS) - Best Smart Air-Fry Countertop Combo
Why It Stands Out:
This is more than just a microwave, it’s a smart, connected multi-cooker. With inverter technology for precision heating, built-in air-fry, and voice/app control, it’s one of the most advanced countertop microwave oven combos you can buy in 2025.
Who It’s Best For:
Tech-savvy home cooks who want a future-proof, multifunctional appliance that blends convenience, precision, and healthier air-frying in a single compact unit.
Quick Specs:
- Type: Countertop
- Capacity: 1.3 cu. ft.
- Power: 1100 W
- Screen: 2.4″ color display
- Features: Inverter heating, humidity sensor, ChefFry air-fry, Alexa + app control
What to Test/Compare:
- Ease of use and responsiveness of the color screen
- App connectivity and Alexa integration reliability
- Sensor cooking accuracy for different foods (rice, veggies, meat)
- Air-fry crispiness vs. a standalone air fryer
- Noise levels during convection/air fry mode
Pros
- Modern UI with bright color screen
- Multiple cooking methods: microwave, convection, air-fry, broil
- Smart connectivity for remote/voice control
- Inverter tech ensures even heating and juicier results
- Chef Defrost function saves time without ruining texture
Cons
- Learning curve due to advanced features
- Slightly bulkier than basic countertop models
- Smart features require Wi-Fi setup
- Premium price vs. traditional microwaves
GE GCST10A1WSS - Best Compact Air Fryer + Convection Combo
Why It Stands Out:
If you’re tight on space but still want versatility, this 4-in-1 compact GE combo packs microwave, convection, air fry, and broil modes into a unit that’s ideal for apartments, dorms, or smaller kitchens.
Who It’s Best For:
Anyone needing a budget-friendly, compact microwave oven combo that covers the basics while adding the bonus of air fry and convection, ideal for renters, students, and small households.
Quick Specs:
- Type: Countertop
- Capacity: 1.0 cu. ft.
- Power: 1050 W
- Features: Air Fry, Convection, Broil, Child Lock
- Included: Crisper pan, glass turntable, wire racks
What to Test/Compare:
- Air fry performance using the crisper pan
- Convection evenness for baking small batches
- Broil searing results on proteins
- Safety features like the two-step child lock
- Ease of use of preset functions (fries, nuggets, etc.)
Pros
- Compact design, perfect for dorms or offices
- Multiple cooking modes in one small appliance
- Air fry mode works without needing a separate fryer
- Child safety lock for peace of mind
- Affordable compared to built-in units
Cons
- Smaller capacity (best for singles or couples)
- Less powerful than premium 1200 W models
- Limited smart features (no app or voice control)
- May not replace a full oven for large meals
ThermoMate 24-Inch Built-In Microwave + Convection Oven Combo | Best Large-Capacity Built-In
Why It Stands Out:
The ThermoMate is designed for households that want a larger built-in cavity than the typical 1.5 cu. ft. size. With multiple heating elements (microwave, convection, and broil) and a stylish stainless-steel finish, it’s built for both performance and aesthetics.
Who It’s Best For:
Families or serious home cooks renovating their kitchens and needing a built-in combo oven that can handle larger dishes without sacrificing speed or versatility.
Quick Specs:
- Type: Built-in, 24″ standard size
- Capacity: 1.6 cu. ft.
- Microwave: 1000 W
- Convection: 1700 W
- Broil: 1750 W
- Features: Sensor cook, rapid pre-heat, child lock, double-layered glass door
What to Test/Compare:
- Preheat speed vs. a traditional wall oven
- Convection bake consistency across multiple racks
- Broil crisping and searing performance
- Sensor cooking accuracy (especially for defrost/reheat)
- Door heat insulation with double glass
Pros
- Larger 1.6 cu. ft. capacity, fits family meals easily
- Triple cooking elements (microwave, convection, broil)
- Rapid pre-heat cuts down waiting time
- Durable reversible ceramic turntable & rack system
- Premium double-glass door keeps exterior cool
Cons
- Built-in installation required (not plug-and-play)
- Higher energy use at max settings (3400W combined)
- Bulkier dimensions than countertop combos
- Limited to stainless finish
Midea 4-in-1 Multifunctional Steam + Air Fry + Microwave - Best for Health-Conscious Cooking
Why It Stands Out:
The Midea is one of the most advanced multifunctional combos on the market. It combines steam cooking with air frying, microwave heating, and grilling, all in one countertop appliance. Perfect for anyone who wants healthier meals without multiple devices cluttering the kitchen.
Who It’s Best For:
Health-conscious families and foodies who want steam + air fry in one appliance, plus app-based convenience for easy control. Great for modern kitchens that value both tech and healthy cooking.
Quick Specs:
- Type: Countertop
- Capacity: 23 L (0.9 cu. ft.)
- Power: 1500 W
- Cooking Modes: Steam, Air Fry, Microwave, Grill
- Features: IoT remote app control, 32 auto functions, graphene tube heating, dual steam tubes
What to Test/Compare:
- Steam mode performance (veggies, fish, dumplings)
- Air fry crispness vs. a standalone fryer
- App control reliability and ease of use
- Cleaning functions (cavity deodorization, steam cleaning)
- Precision of temperature control during baking
Pros
- True 4-in-1 design: microwave, steam, air fry, grill
- Dual steam tubes deliver fast, nutrient-preserving cooking
- Graphene heating tube gives quicker, more even results
- Advanced self-cleaning and deodorizing functions
- Remote control via SmartHome app
Cons
- Smaller 0.9 cu. ft. capacity, not for large meals
- Higher learning curve with 30+ auto functions
- Price point higher than standard countertop microwaves
- Bulkier than a simple microwave
Product Comparison Deep Dive
KoolMore 24-Inch Built-in Convection Oven & Microwave Combo (KM-CWO24-SS)
Specs Box
- Dimensions: 22.3″D × 23.4″W × 17.8″H
- Capacity: 1.5 cu. ft
- Wattage: 1000 W
- Installation: Built-in
- Material: Stainless Steel
- Included: Turntable, rack, user manual, install guide
Real-World Performance
- Preheats faster than many wall ovens with convection fan assist
- Microwave is reliable for reheating but slightly slower than 1100W units
- Convection + broil crisps pizzas, casseroles, and meat surfaces well
- Defrost function consistent, avoids hot edges
Usability
- Touch control LCD is responsive
- Soft-close door is silent and premium-feeling
- Preset timers simplify quick cooking
- Works best for homeowners who want an integrated appliance look
Maintenance & Cleaning
- Smooth stainless exterior wipes clean easily
- Turntable and rack are removable and dishwasher-safe
- No self-cleaning mode, manual wipe-down needed
Verdict
Stylish built-in combo oven, best for kitchens needing a permanent, modern, and multifunctional upgrade.
Toshiba ML2-STC13SAIT(SS) Smart Microwave Air Fryer Combo
Specs Box
- Dimensions: 19.4″D × 21.8″W × 12.8″H
- Capacity: 1.3 cu. ft.
- Wattage: 1100 W
- Installation: Countertop
- Material: Stainless steel, ceramic, glass
- Included: Standard microwave tray
Real-World Performance
- Inverter heating keeps meats juicy and reheats evenly
- Air fry is surprisingly crisp for fries, wings, and nuggets
- Sensor cooking adjusts automatically, avoids soggy veggies
- Defrost up to 40% faster than traditional microwaves
Usability
- 2.4″ color screen is intuitive, rare at this price point
- Alexa and SmartLife app enable remote + voice control
- Presets are useful, though advanced features require learning curve
- Compact but fits a whole chicken or 13″ pizza
Maintenance & Cleaning
- Ceramic interior resists stains and wipes clean easily
- Smart updates (OTA firmware) keep software fresh
- No steam-clean, but interior coating helps with splatter control
Verdict
Best countertop choice for tech-lovers who want smart control + air fry + convection in one sleek package.
GE GCST10A1WSS 4-in-1 Compact Microwave Combo
Specs Box
- Dimensions: 16.6″D × 20.6″W × 11.9″H
- Capacity: 1.0 cu. ft.
- Wattage: 1050 W
- Installation: Countertop
- Material: Stainless steel, glass
- Included: 2 wire racks, glass turntable, crisper pan
Real-World Performance
- Air fry mode works well with crisper pan (best for fries, nuggets)
- Convection evenly bakes smaller batches of cookies or veggies
- Broil setting sears thin cuts and melts cheese nicely
- Slightly smaller cavity means tight fit for large dishes
Usability
- Straightforward controls, no app integration
- Presets for fries/nuggets save guesswork
- Child lock (two-step) offers safety for families
- Compact size makes it dorm/kitchenette friendly
Maintenance & Cleaning
- Glass turntable and racks dishwasher-safe
- Stainless exterior fingerprints easily, needs regular wipe
- No self-clean, manual cleaning only
Verdict
Compact and budget-friendly, perfect for small spaces or students who still want multiple cooking modes.
ThermoMate 24-Inch Built-In Microwave + Convection Oven
Specs Box
- Dimensions: 22.4″D × 23.4″W × 17.9″H
- Capacity: 1.6 cu. ft.
- Wattage: Microwave 1000 W, Convection 1700 W, Broil 1750 W
- Installation: Built-in
- Material: Stainless Steel
- Included: Wire rack, ceramic reversible turntable
Real-World Performance
- Larger 1.6 cu. ft. cavity, great for casseroles, family meals
- Rapid pre-heat cuts wait time in half
- Convection fans circulate evenly across top and bottom
- Sensor cooking helps with defrost, avoids icy centers
Usability
- LCD touch control is straightforward
- One-touch buttons for reheat and defrost
- Broil mode delivers strong caramelization
- Slightly bulkier, needs planning in cabinetry
Maintenance & Cleaning
- Double-layered glass keeps door cool but also easy to clean
- Interior ceramic turntable durable and dishwasher-safe
- Stainless surface resists scratches, fingerprints manageable
Verdict
Best built-in for families, offers the largest cavity and strongest broil option in this lineup.
Midea 4-in-1 Multifunctional Steam Oven Combo
Specs Box
- Dimensions: 21.8″D × 23″W × 17.6″H
- Capacity: 23 L (0.9 cu. ft.)
- Wattage: 1500 W
- Installation: Countertop
- Material: Stainless Steel, black finish
- Included: Baking tray, fryer basket, grill, oven accessories
Real-World Performance
- Steam cooking preserves nutrients and flavor (ideal for fish, veggies)
- Air fry with graphene tube gives ultra-crispy edges
- Microwave + grill combo versatile for daily meals
- Temperature range (225–450°F) flexible for baking and roasting
Usability
- Touch control color screen with 32 presets + 8 advanced modes
- IoT control lets you operate remotely via SmartHome app
- Takes time to master all the modes
- Compact, but interior height limits very large dishes
Maintenance & Cleaning
- Built-in steam cleaning + deodorization
- Anti-splatter design helps with less mess
- Self-clean functions reduce effort significantly
Verdict
Top pick for health-conscious buyers, the only combo with steam cooking + smart control in this roundup.
Buying Guide – How to Choose the Best Microwave Oven Combo
When you’re investing in a microwave oven combo, you want more than just a quick reheat machine. These appliances replace several tools at once, microwave, toaster oven, air fryer, even a small wall oven. Here’s how to decide which type fits your kitchen and lifestyle.
Built-in vs Countertop – Which to Pick?
Built-in Combos
- ✅ Seamless, integrated look that matches other appliances.
- ✅ Typically larger capacity and stronger convection/broil performance.
- ❌ Higher price point.
- ❌ Requires professional installation and cabinetry cutout.
Countertop Combos
- ✅ Plug-and-play, no installation required.
- ✅ Portable if you move apartments or houses.
- ✅ More budget-friendly.
- ❌ Take up counter space.
- ❌ Usually smaller capacity than built-ins.
Tip: If you’re renovating a kitchen, go built-in. If you’re renting or want flexibility, a countertop is the smarter choice.
Capacity, What Size Do You Need?
- 0.9–1.0 cu. ft. → Ideal for single users, students, or dorm rooms. Fits a 10–11” dinner plate.
- 1.2–1.3 cu. ft. → Good for couples or small families. Handles a 13″ pizza or small chicken.
- 1.5–1.6 cu. ft. → Best for families of 3–4. Fits a casserole dish or whole chicken comfortably.
Rule of thumb: Think about your largest dish. If you regularly cook lasagna, whole chickens, or family casseroles, aim for 1.5 cu. ft. or more.
Wattage & Heating Performance
- Microwave Wattage (Output vs Input): Always look at output watts. 1000W or more cooks faster and more evenly.
- Convection Wattage: Higher wattage (1700–1750W) equals stronger baking and roasting.
- Broil Elements: Great for finishing, melting cheese, browning meats, crisping the top of casseroles.
Cooking Modes Explained
- Microwave: Quick heating, reheating, defrosting.
- Convection: Bakes and roasts like a traditional oven.
- Broil/Grill: Adds top heat for searing and caramelizing.
- Air-Fry: Crisp results with less oil, great for fries, nuggets, wings.
- Steam: Preserves nutrients in veggies, fish, and dumplings.
- Combination (Combi): Uses microwave + convection together to speed up cooking and give browning.
Tip: If you bake often, prioritize convection. If you eat a lot of fried foods, air-fry is worth it.
Controls, Sensors & Smart Features
- Inverter Technology: Provides consistent power for even cooking, no more overcooked edges and cold centers.
- Sensor Cooking: Adjusts power/time based on food’s steam levels, great for reheating leftovers without drying them out.
- Smart Features: Wi-Fi, app control, voice assistants (Alexa/Google), and OTA firmware updates keep the appliance smarter over time.
Installation & Fit – Measuring + Venting
- Always check outer dimensions vs cutout dimensions if it’s built-in.
- Leave clearance for ventilation, overheating reduces lifespan.
- Built-ins almost always require professional installation.
- For countertop units, measure counter space and make sure the door swing won’t hit nearby cabinets.
Safety, Door Type & Child Locks
- Cool Door Tech: Keeps the outer glass safe to touch, crucial with kids around.
- Soft-Close Doors/Drawers: Prevents slamming and adds a premium feel.
- Child Locks: Can be one-step or two-step, two-step locks are harder for curious kids to bypass.
Maintenance & Lifetime Costs
- Turntables & Racks: Dishwasher-safe parts save cleaning time.
- Steam Ovens: Need descaling and cavity cleaning regularly.
- Air-Fry Trays: Grease collection needs frequent scrubbing.
- Long-Term: Consider electricity usage if running high-wattage convection modes often.
Warranty, Support & Parts Availability
- Warranty Length: Aim for at least 1 year parts/labor, longer if possible.
- Brand Support: Well-known brands (GE, Toshiba, Midea) usually have better parts availability.
- Service Access: Built-in units may require certified service techs, check before buying.
Which Combo Is Right For You – Decision Flow & Use Cases
Not every kitchen or lifestyle needs the same type of microwave oven combo. Use this quick decision flow to narrow down the best match:
Quick Decision Flow (Checklist Style)
- Apartment or limited counter space?
→ Go for a 24″ built-in if you’re renovating, or a compact countertop combo if you’re renting. - Love crispy fries, nuggets, or wings?
→ Pick an air-fry capable model. - Want voice/app control & automation?
→ Choose a smart-enabled model like Toshiba or Midea. - Bake or roast regularly?
→ Prioritize a convection combo with higher wattage (1700W+) and 1.5 cu. ft.+ cavity.
Best Use Case Picks
- Best for Small Kitchens: Compact countertop combo that handles daily reheating + light cooking without eating counter space.
- Best for Tech Lovers: Smart microwave combo with Alexa/Google voice control, app scheduling, and sensor cooking.
- Best for Families Who Love to Bake/Roast: Large-capacity convection combo with strong broil element and multi-rack baking.
- Best Budget Multi-Function Option: Entry-level countertop combo with microwave + convection + air-fry modes under $300.
FAQs
What is a microwave-convection combo and can it replace an oven?
A microwave-convection combo is a single unit that works as both a standard microwave and a convection oven. While it won’t fully replace a full-size wall oven for large holiday meals, it can handle daily baking, roasting, and reheating tasks, making it a practical space-saving alternative for most households.
How does an air-fryer microwave work vs a standalone air fryer?
An air-fryer microwave uses high-speed convection fans and special crisping trays to circulate hot air for frying-like results. While a standalone air fryer may get slightly crispier results, the combo gives you two appliances in one, saving counter space while still producing crunchy fries, nuggets, and wings with less oil.
Do I need a professional to install a built-in microwave combo?
Yes, most built-in models require professional installation. They need to be properly mounted within cabinetry, with correct ventilation and electrical connections. Countertop combos, on the other hand, simply plug in and are ready to use without installation.
What capacity is best for a family of 4?
For families of four, a 1.5–1.6 cu. ft. cavity is ideal. This size comfortably fits a casserole dish, a whole chicken, or a 13-inch pizza, making it practical for everyday family meals. Anything smaller may feel cramped when cooking for multiple people.
How do I clean a steam-assisted microwave?
Steam-assisted microwaves often have a self-clean or steam-clean cycle. For manual cleaning, run a bowl of water with lemon inside on high for 5–10 minutes, then wipe down the interior. Be sure to descale regularly (using manufacturer-approved solutions) to prevent mineral buildup in the steam system.
Is inverter technology worth it?
Yes, inverter technology allows the microwave to cook at a consistent power level instead of cycling on and off. This results in more even heating, gentler defrosting, and less chance of overcooking edges while the center stays cold. It’s especially useful for reheating leftovers and cooking delicate foods.
Are these units energy efficient?
Microwave oven combos are generally more energy-efficient than full ovens, since they heat smaller spaces and cook faster. Air-fry and convection modes do use more power, but because they shorten cooking times, overall energy consumption is often lower compared to using a large oven for the same meal.
Final Verdict | Which Microwave Oven Combo Should You Buy?
After comparing features, sizes, and price points, here are the top recommendations:
- Best Overall: Panasonic 4-in-1 Microwave Combo, versatile, with convection + broil + air-fry, perfect for most homes.
- Best Built-In: KoolMore KM-CWO24-SS 24″ Combo, sleek, space-saving, and designed for seamless kitchens.
- Best Countertop Air-Fry: TOSHIBA ML2-STC13SAIT Smart Combo, affordable, compact, and packed with smart features.
Quick Checklist Before You Buy
- ✅ Do you need built-in or countertop?
- ✅ Will the capacity fit your largest dish (pizza, casserole, chicken)?
- ✅ Which modes matter most, air-fry, convection, steam, or smart control?
- ✅ Do you have space, ventilation, and installation support if choosing built-in?
- ✅ Is the warranty & service support strong in your region?