If you’re searching for the best built in double oven and microwave combination, first check what “combination” means for the appliance you’re considering. The models below combine microwave cooking with convection or other oven-style functions in one built-in unit; they are not traditional two-cavity double wall ovens. Compare cabinet fit, electrical requirements, and cooking modes before choosing—especially if you need two separate oven cavities.
Quick Comparison
| Product | Key cooking features | Size or power details | Best for |
|---|---|---|---|
| ThermoMate 24-Inch Microwave and Convection Oven | Microwave, convection, broil, sensor cooking | 1.6 cu. ft.; 1,000W microwave | Flexible everyday cooking |
| KoolMore 24-Inch Convection Oven and Microwave | Microwave, convection, broil; soft-close door | 1,000W microwave | A quieter-closing door and oven-style cooking |
| KoolMore Reserve Microwave Convection Oven with Air Fry | Microwave, convection, air fry | 24-inch; 175°F–450°F range | Air frying in a built-in appliance |
| Frigidaire Gallery 27-Inch Wall Oven and Microwave Combination | Total Convection, according to the product title | 27-inch model | Shoppers seeking a wider Frigidaire option |
| AAOBOSI 24-Inch Microwave Convection Oven with Air Fry | Microwave, convection, broil, air fry, sensor cooking | 1.6 cu. ft.; 1,000W microwave | Multiple one-touch and manual cooking modes |
Our Picks: Best Built In Double Oven And Microwave Combination reviews
ThermoMate: A Versatile 24-Inch Microwave and Convection Combo
The ThermoMate combines microwave cooking with convection, broiling, sensor cooking, reheating, defrosting, and rapid preheating. Its 1.6-cubic-foot capacity gives you more room than a compact countertop microwave, while its built-in design can create a more integrated look in a suitable cabinet opening.
The product information lists a 1,000-watt microwave, a 1,700-watt convection element, and a 1,750-watt broil element. Top and bottom heating elements work with a convection system that circulates hot air. The included ceramic turntable rotates in either direction, and the wire rack can be positioned for different cooking modes.
The double-layer glass door is designed to help retain heat while allowing you to see inside. Listed dimensions are 23.4 × 17.9 × 22.4 inches, but confirm the required cutout dimensions and door clearance with the installation instructions before buying. The supplied information does not give those cabinet-opening measurements.
This is a practical pick if you want several oven-style functions in one 24-inch appliance. Its main limitation is that it remains a single combination unit, not a pair of separate ovens. It also requires careful installation planning, since the listed appliance dimensions alone do not confirm that it will fit your cabinetry.
Pros:
- Combines microwave, convection, broil, and sensor cooking modes
- 1.6-cubic-foot capacity and included turntable and rack
- Separate listed wattages for microwave, convection, and broil elements
- Double-layer glass door
Cons:
- Cabinet cutout requirements are not included in the supplied product details
- Does not provide two independent oven cavities
Verdict: Choose the ThermoMate if you want a 24-inch built-in appliance with a broad mix of microwave and convection functions, and verify the cabinet and electrical requirements before ordering.
KoolMore: A 24-Inch Combo with a Soft-Close Door
This KoolMore model brings microwave cooking, convection heating, and broiling together in a 24-inch built-in appliance. The listing specifies 1,000 watts of microwave power and describes top and bottom heating with fan-assisted heat circulation. It also claims convection can reduce cooking time by about 20%; actual results can vary by food, recipe, and settings.
A standout feature is the soft-close door, intended to close more quietly than a standard door. The listing also describes reinforced hinges that can support up to 66 pounds when food or cookware is being moved in or out. That may be useful when handling heavier dishes, though you should follow the manufacturer’s instructions for safe use rather than treating the door as a shelf.
Compared with the ThermoMate, the KoolMore emphasizes door design and hinge support, while the ThermoMate provides more specific details about its capacity and individual heating-element wattages. The supplied information for this KoolMore model does not state its capacity or full installation dimensions, so check those details before deciding whether it suits your kitchen.
Pros:
- Combines microwave, convection, and broil functions
- Soft-close door is designed for quieter closing
- Listing specifies reinforced hinges and a stated 66-pound support limit
- Fan-assisted heating is intended to distribute heat more evenly
Cons:
- Capacity and installation dimensions are not provided in the supplied details
- The claimed cooking-time reduction may vary with use
Verdict: Consider this KoolMore if a soft-close door is a priority, but confirm the appliance’s capacity, cutout size, and electrical needs before purchase.
KoolMore Reserve: A Built-In Combo with Air Fry
The KoolMore Reserve is a 24-inch microwave convection oven with an added air-fry function. The listing says it can bake, broil, roast, crisp, and reheat, with a temperature range from 175°F to 450°F. Its convection fan is listed at 1,400 RPM, and a preheat function is included.
That extra cooking mode may appeal if you want to crisp food without adding a separate countertop air fryer. The listing also states that the appliance requires a 20-amp NEMA 5-20P outlet. This is an important installation detail: check your kitchen’s receptacle and electrical setup before buying, and ask a qualified professional if you are unsure.
The product information lists CSA certification and a three-year manufacturer’s warranty covering parts and labor. However, the supplied listing status marks this model as unavailable. Availability can change, so check the product page before planning a purchase. When compared with the AAOBOSI, this model specifies its temperature range, plug type, and warranty, while the AAOBOSI provides more detail about capacity and preset programs.
Pros:
- Combines microwave, convection, and air-fry functions
- Listed temperature range of 175°F to 450°F
- Product information states CSA certification and a three-year parts-and-labor warranty
- Soft-close door is included
Cons:
- Requires a compatible 20-amp NEMA 5-20P outlet
- Listed as unavailable in the supplied product information
Verdict: This is a promising option if air frying and a clearly specified temperature range matter to you, but confirm availability and the required outlet before considering it further.
Frigidaire Gallery: A Wider 27-Inch Wall Oven Combination
The Frigidaire Gallery listing identifies this as a 27-inch electric built-in wall oven and microwave combination with Total Convection and a smudge-proof stainless finish. Its wider stated size may make it a better starting point than the 24-inch options if your existing kitchen is designed for a 27-inch appliance.
There is an important information gap: the supplied product description does not provide usable details about cooking modes, capacity, power, installation dimensions, or included accessories. It also contains unrelated text, so it cannot support a reliable feature-by-feature comparison. Check the product page and manufacturer documentation for specifications before choosing this model.
Compared with the other picks, the Frigidaire stands out mainly for its 27-inch format and named Total Convection feature. That may be relevant if you want to match a particular cabinet opening or appliance line, but the limited information makes it harder to assess how it will handle your cooking needs.
Pros:
- Listed as a 27-inch built-in wall oven and microwave combination
- Product title identifies Total Convection
- Smudge-proof stainless finish is specified in the title
Cons:
- Supplied information lacks key capacity, power, and installation details
- Feature comparisons are limited until you confirm the full specifications
Verdict: Consider the Frigidaire if you need a 27-inch option, but only after confirming its complete specifications and cabinet requirements from the product listing or manufacturer.
AAOBOSI: A 1.6-Cubic-Foot Combo with Air Fry and Presets
The AAOBOSI is a 24-inch built-in microwave with a 1.6-cubic-foot capacity and 1,000 watts of microwave power. Its listed functions include defrost, soften and melt, sensor cooking and reheating, air fry, broil, and convection. Six preset auto-cooking programs offer a quick way to start common tasks, while ten microwave power levels give you more control when you prefer manual settings.
The product information lists dimensions of 23.82 inches wide, 22.26 inches deep, and 19.49 inches high. Because the door opens outward and downward, leave enough room in front of the appliance for access. The listing also describes a child lock, a halogen interior light, a glass touchpad, and a stainless-steel exterior.
Compared with the ThermoMate, the AAOBOSI adds air fry and lists more detail about presets and microwave power levels. Its supplied information does not specify an electrical outlet type, so check the installation instructions rather than assuming it matches another 24-inch model. Also confirm the cabinet cutout dimensions; the appliance measurements alone do not establish fit.
Pros:
- 1.6-cubic-foot capacity with 1,000 watts of microwave power
- Includes air fry, convection, broil, and sensor cooking modes
- Six preset programs and ten microwave power levels
- Child lock and stated appliance dimensions
Cons:
- Cabinet cutout and outlet requirements are not specified in the supplied details
- Downward-opening door needs adequate clearance in front
Verdict: The AAOBOSI is a strong fit if you want a large-capacity built-in microwave with air fry, convection, and preset cooking options, provided its installation requirements work for your kitchen.
How to Choose a Built-In Microwave and Oven Combination
Decide whether you need a true double oven
A microwave-convection combination puts microwave and oven-style cooking functions in one appliance. It does not necessarily provide two separate oven cavities that you can use at once. If you need two independent ovens for cooking different dishes at different temperatures, confirm that the appliance is specifically a double wall oven rather than a single microwave-oven combination.
Measure the cabinet opening, not just the appliance
Check the appliance’s width, height, and depth, then compare them with the manufacturer’s required cutout dimensions. Also account for door swing, front clearance, ventilation, and nearby trim or cabinets. The listed outside dimensions for the ThermoMate and AAOBOSI are useful starting points, but they do not replace the installation specifications.
Check the electrical requirements
Do not assume that every built-in combination uses the same outlet. For example, the KoolMore Reserve listing calls for a 20-amp NEMA 5-20P outlet, while the ThermoMate lists 120 VAC and 60 Hz. Check the complete electrical requirements for the model you plan to buy and confirm that your kitchen can support them.
Compare cooking modes that you will actually use
Convection circulates heated air for oven-style cooking, while microwave mode heats food quickly. Broil can be useful for browning, and air fry adds a crisping mode to some models. Sensor cooking, presets, and adjustable power levels can make common tasks easier, but prioritize functions that fit your routine rather than choosing by feature count alone.
Look at capacity and included accessories
Capacity can affect the size of dishes you can fit inside. The ThermoMate and AAOBOSI list 1.6 cubic feet, while the supplied details do not specify capacity for every model. Check which turntables, racks, or other accessories come with the appliance, and make sure they suit the cookware you plan to use.
Review the door design and safety details
A built-in appliance should be easy to open without hitting nearby cabinets or blocking a walkway. Note whether the door opens downward and whether your layout leaves enough space in front. Features such as double-layer glass, a soft-close mechanism, or a child lock may also matter, but check the manufacturer’s instructions for safe operation.
Verify warranty and support information
Warranty terms can differ by model and may have conditions for installation or service. The KoolMore Reserve listing specifies a three-year parts-and-labor warranty, but the supplied details do not give equivalent warranty information for all the other products. Confirm the exact coverage, service process, and exclusions before purchasing.
Frequently Asked Questions
Is a microwave-convection combination the same as a double oven?
No. A microwave-convection combo combines microwave and oven-style cooking in one appliance. A traditional double oven has two separate oven cavities. Confirm the design carefully if you need to cook two oven dishes at once.
Can a built-in microwave combination replace a wall oven?
It depends on your cooking needs and the model’s functions and capacity. These products add oven-style modes such as convection or broil, but that does not necessarily make them equivalent to a full-size wall oven. Check the capacity and cooking modes against the meals you prepare.
Do all the models listed here include air fry?
No. The supplied information lists air fry for the KoolMore Reserve and AAOBOSI models. The ThermoMate, standard KoolMore, and Frigidaire information provided here does not establish that they include an air-fry function.
Will a 24-inch model fit a 24-inch cabinet opening?
Not automatically. The appliance’s outside width and the cabinet cutout size are different measurements. Use the manufacturer’s installation guide to check the required opening, clearances, and any ventilation needs.
What electrical outlet does the KoolMore Reserve require?
The supplied product information specifies a 20-amp NEMA 5-20P plug. Confirm that your kitchen has a compatible outlet before buying, and consult a qualified professional if you are unsure about your electrical setup.
Which model provides the most listed cooking modes?
The AAOBOSI has a detailed list that includes air fry, convection, broil, sensor cooking, defrost, soften and melt, and six preset programs. The ThermoMate also offers a broad set of functions, including convection, broil, sensor cooking, reheating, and defrosting. Compare the full manuals for the exact modes and operating details.
Final Recommendation
For a versatile 24-inch combination with a stated 1.6-cubic-foot capacity and several oven-style modes, the ThermoMate is a well-rounded place to start. Choose the AAOBOSI if air fry and preset programs are higher priorities, or consider the KoolMore models for their distinct door design or added cooking functions. If you need two independent ovens, shop specifically for a true double wall oven and confirm that a separate microwave is included or can be installed alongside it. For every option, verify the cabinet cutout and electrical requirements before ordering.