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A 30-inch built-in microwave can make a kitchen look cleaner, free up counter space, and help an appliance wall feel intentional instead of patched together. The catch is that “30-inch built-in microwave” means several different things in the field. On our job sites, that label can mean a true 30-inch built-in convection microwave, a 24-inch microwave body dressed with a 30-inch trim kit, a 30-inch microwave drawer, or a 30-inch wall oven and microwave combination.
The best choice depends less on brand name and more on cabinet dimensions, cooking habits, electrical capacity, ventilation clearance, and how much cabinet work you are willing to do. A microwave that looks perfect online can become an expensive mistake if the cutout is 1 inch too short, the outlet lands behind the wrong part of the chassis, or the trim kit blocks required airflow.
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For most homeowners in 2026, the best paths are straightforward: use a 24-inch microwave with a manufacturer-approved 30-inch trim kit for the lowest-cost built-in look; choose a microwave drawer for an island or base cabinet; choose a convection or speed microwave for better cooking performance; or use a wall oven/microwave combo when you are rebuilding the full appliance cabinet. Below are the models and categories we would put on a shortlist, plus the construction details that decide whether the installation looks custom or compromised.
Best 30-Inch Built-In Microwave Choices for 2026
Before comparing specific brands, separate the appliance by installation type. A 30-inch face does not guarantee a 30-inch body or a 30-inch rough opening. Many built-in-looking microwaves are smaller microwave cavities with a wider trim frame. That is not a problem when planned correctly, but it matters for capacity, airflow, and replacement later.
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- Space-Saving Over-the-Range Design: Maximize kitchen space with this 30-inch microwave that mounts above your stove. This microwave hood vent combo combines cooking and ventilation in one appliance. Measures: 16.12" H x 29.87" W x 15.56" D
- Trusted GE Performance: From quick breakfasts to late-night snacks, this GE over-the-range microwave delivers the reliable performance, user-friendly controls, and everyday convenience that have made GE a trusted name in kitchens for generations
- Powerful 2-Speed Ventilation: Keep small spaces clear of cooking odors, steam and smoke with a 300-CFM ventilation system and 2-speed fan
- Charcoal Filter: Enjoy cooking and cleaner air, too. The replaceable charcoal filter removes fumes and odors that are released from foods during cooking
- Simple One-Touch Controls: One-touch express cooking settings and 4 convenience cook settings provide easy operation for busy lifestyles, while the digital display and electronic keypad provide precise control of cook time and power settings
| Best Use | Recommended Type | Typical 2026 Appliance Cost | Best Fit |
|---|---|---|---|
| Budget built-in look | Countertop-style microwave with 30-inch trim kit | $500-$1,100 plus trim kit | Existing cabinet opening or pantry wall |
| Accessible under-counter layout | 30-inch microwave drawer or 24-inch drawer with 30-inch face | $1,400-$2,500+ | Island, peninsula, or base cabinet |
| Better cooking performance | Built-in convection or speed microwave | $1,000-$1,800 midrange; more for premium | Appliance wall or tall cabinet |
| Full remodel appliance wall | 30-inch wall oven/microwave combo | $2,400-$4,500 common range | New tall oven cabinet |
| Design-matched kitchen suite | GE Profile, Cafe, Bosch, KitchenAid, Samsung, or LG suite model | Varies widely by package and sale pricing | Whole-kitchen remodel |
As a practical contractor rule, select the exact microwave model before cabinet drawings are finalized. The cabinet shop, electrician, appliance supplier, installer, and inspector should all be working from the same model number and the same revision of the installation guide.
Our Top Picks by Project Type
Best Premium Built-In Convection Microwave: KitchenAid 30-Inch Built-In Convection Models
KitchenAid is a strong fit when the homeowner wants a built-in microwave that does more than reheat coffee. Their 30-inch built-in convection and smart models commonly show up around the low-to-mid $1,000s during sales, with examples near $1,098 in 2026 retailer listings. The appeal is the combination of microwave speed, convection capability, stainless styling, and compatibility with higher-end kitchen packages.
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Choose this route if you want a premium look, better cooking flexibility, and a microwave that aligns visually with a 30-inch oven or range. Do not choose it only because the front is 30 inches wide. Verify the cutout dimensions first.
Best Integrated Luxury Option: Bosch 30-Inch Built-In Microwave or Wall-Oven Combo
Bosch is a good fit for clean appliance walls, modern cabinetry, and homeowners who care about flush-looking lines. Bosch 30-inch built-in microwave listings in 2026 commonly land around the $1,500 range during sale pricing, while wall oven/microwave combinations usually move into the multi-thousand-dollar category.
On remodels, Bosch works best when the cabinet package is being built around the appliance. The tolerances are not something we would leave to guesswork. A tall cabinet may need reinforced shelves, finished side panels, heat clearances, and a precisely located receptacle or junction area depending on the appliance type.
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Best Microwave Drawer: Sharp 30-Inch Microwave Drawer
Sharp remains one of the most common names we see when homeowners ask for a microwave drawer. Drawer microwaves are especially useful in islands, peninsulas, beverage stations, and universal-design kitchens because they reduce overhead reaching. Lowe’s 2026 pricing data puts microwave drawers around $1,439 typically, with a range of roughly $930 to $2,499.
A microwave drawer is a cabinet decision as much as an appliance decision. The cabinet needs the correct width, height, depth, support, toe-kick relationship, and drawer-front clearance. In many layouts, a 24-inch drawer body with a 30-inch face gives the visual width people want without requiring a massive appliance cavity.
Choose a drawer if you want a cleaner cooking wall, better access for shorter users, or a microwave in an island. Avoid it if bending down is difficult for the main user or if the base cabinet run is already overloaded with drawers, trash pullouts, and plumbing.
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- built-in trim kit available in 27" (GMTK2768AF) and 30" (GMTK3068AF) Sold Seperatly
- Provides 2.2 cu. ft. of cooking space, accommodating large dishes and multiple items at once for convenient and efficient cooking
- Sensors in the microwave determine and set the appropriate power levels and cook time to ensure great tasting food
- Width: 24 7/16 Inch Depth: 19 5/8 Inch Height: 13 5/8 Inch Cutout Width: 24 3/4 Inch Cutout Depth: 20 Inch Cutout Height: 16 3/4 Inch
Best Remodel Value Combo: Frigidaire Gallery 30-Inch Wall Oven/Microwave Combo
A wall oven and microwave combination can make sense when the old double oven is being replaced, the appliance wall is being rebuilt, or the homeowner wants one stacked unit instead of separate appliances. Frigidaire Gallery is often a practical value choice in this category because it delivers the built-in wall look without the highest premium pricing.
In 2026, 30-inch wall oven/microwave combination listings commonly run from about $2,399 to $4,319, with the broader category stretching from roughly $1,000 to over $5,000 depending on brand, finish, fuel type, features, and promotions. Installation is also more expensive than a basic microwave because the work resembles wall oven installation.
Choose this route when you are already remodeling the cabinet wall. For a simple microwave replacement, it is usually more project than most homeowners need.
Best Design-Matched Suites: GE Profile, Cafe, Samsung, and LG
GE Profile and Cafe are worth considering when the kitchen design depends on matching handles, finishes, and appliance proportions. Cafe is especially useful when the homeowner wants a more design-forward appliance suite with coordinated hardware. Samsung and LG are common choices for homeowners who want smart features, package discounts, and sale pricing across a full kitchen bundle.
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Brand matching is useful, but it should not override fit. We have seen homeowners pick a suite first and only later learn that the microwave trim kit does not work with the existing cabinet opening. The right order is dimensions first, model compatibility second, finish third.
30-Inch Built-In Microwave vs Trim Kit vs Drawer
The phrase “built-in microwave” causes confusion because appliance listings often describe the finished look, not the actual cabinet requirement. Here is the construction-side difference.
True 30-Inch Built-In Microwave
A true built-in unit is designed to live inside cabinetry with a finished front and required ventilation paths. The face may be close to 29 3/4 or 30 inches wide. These units can look excellent above a wall oven or in a tall pantry-style appliance cabinet. They usually cost more than a countertop microwave and demand tighter cabinet planning.
24-Inch Microwave With a 30-Inch Trim Kit
This is one of the most common budget-friendly built-in solutions. The microwave body may be around 24 inches wide, while the trim kit creates a 27-inch or 30-inch finished face. It can be a smart choice, but the trim kit must be made for that exact microwave model. Reusing an old trim kit or buying an off-brand frame can block airflow, leave uneven reveals, or make service access miserable.
A 30-inch trim kit does not make the cooking cavity larger. It mainly solves appearance and cabinet integration.
30-Inch Microwave Drawer
A drawer microwave slides out from a base cabinet instead of swinging open from an upper cabinet or wall cabinet. It is a strong option for islands, accessible kitchens, and cleaner range walls. It does require careful cabinet height planning. The bottom of a below-counter microwave should be at least 15 inches above the finished floor, and the drawer must clear nearby handles, appliance pulls, and island seating.
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- 1.7 Cu. Ft. Large Capacity - The microwave over the range offers a large capacity of 1.7 cu. ft., with a size of 29.92×15×16.42 inch, with four auto-cook programs: reheat, popcorn, baked potato and beverage, which automatically adjusts the power and cooking time to cook a wide variety of foods with ease.
- 1000 Watts&10 Power Levels - An over-the-range microwave comes with 1000 watts of cooking power and a 10 different power levels, which allows you to adjust the cooking power from 0% to 100%. Equipped with a removable glass turntable, it rotate 360° to provide even heat.
- One-Touch Cooking Options - The microwave oven features one-touch cooking buttons allow you to easily cook your favorite foods. It is able to add up 30 seconds when you use the quick cook feature. And it comes with a safety lock that prevents children from accidental use or access.
- Two Speed Powerful Ventilation - The over-the-range microwave comes with two speed ventilation, typically in the form of exhaust fans, enjoy up to a 300 CFM air flow that help to remove smoke, steam, and odors generated during cooking. The built-in LED lighting feature, which provides extra illumination over the stove, making it easier to monitor your cooking and add an extra layer of ambient light to the kitchen.
- Easy to Clean - The over the range microwave is scratch resistance and longevity. Easy to wipe, quickly and easily wipes away and cleans spills in the microwave, giving you more time to enjoy life.
How Much a 30-Inch Built-In Microwave Costs in 2026
For planning purposes, separate appliance cost from installed cost. The appliance price is only one line item. Cabinet modification, electrical work, finish carpentry, patching, delivery, haul-away, and permit requirements can change the total quickly.
| Project Type | Typical 2026 Cost Range | What Drives the Price |
|---|---|---|
| Budget built-in microwave with trim kit | $500-$1,100 appliance range, plus trim kit | Trim compatibility, cabinet opening, outlet location |
| Midrange 30-inch convection built-in | $1,000-$1,800 appliance range | Cabinet depth, ventilation, finish alignment |
| Premium drawer or speed microwave | $1,400-$2,500+ | Base cabinet modifications, support, accessible placement |
| 30-inch wall oven/microwave combo | $2,400-$4,500 common appliance range | New oven cabinet, electrical circuit, wall oven installation labor |
| Microwave-only installation | $623-$1,223 national estimate | Site conditions, mounting, outlet work, finish adjustments |
| Wall oven-style installation | $1,738-$3,659 starting estimate | Heavy appliance handling, cabinet support, electrical work |
The most common cost drivers we see are face-frame modification, a cabinet box that is too shallow, a receptacle in the wrong spot, a missing dedicated circuit, GFCI or AFCI updates, drywall or backsplash patching, appliance haul-away, and matching existing cabinet paint or stain. Older kitchens cost more because panel capacity, grounding, and cabinet dimensions often do not match current appliance expectations.
Sale timing also matters. Large appliance promotions can move the final number by several hundred dollars, especially when the microwave is bundled with a range, dishwasher, refrigerator, or wall oven.
Cabinet Fit: The Detail That Makes or Breaks the Job
On a cabinet-heavy kitchen remodel, we want the appliance spec sheet before the cabinet order is released. If the microwave is being installed into existing cabinetry, we measure the current opening before shopping.
At minimum, measure width, height, depth, floor-to-bottom height, adjacent clearances, outlet location, door swing or drawer travel, and the distance to nearby walls or tall panels. A 30-inch-wide face can hide a much smaller body, and two appliances with similar retail descriptions may need different rough openings.
Depth is a frequent problem. Older upper cabinets may be 12 inches deep, while built-in appliance installations often need more depth plus rear clearance. Tall oven cabinets can also vary. A cabinet that looks deep enough from the outside may lose usable depth because of a back panel, outlet box, blocking, or a chase.
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Support matters too. A wall oven/microwave combo is heavy enough that the shelf and side panels must be built for the load. A microwave drawer needs a stable base and a square opening so the drawer glides properly and the reveal lines stay even.
Placement, Landing Space, and Everyday Use
A microwave should be easy to use with hot liquids, not just centered in an elevation drawing. Planning guidance commonly recommends locating the bottom of the microwave about 3 inches below the principal user’s shoulder, with a maximum of 54 inches above the floor. For below-counter microwaves, the bottom should be at least 15 inches above the finished floor.
We also plan for at least 15 inches of landing area above, below, or beside the handle side of the microwave. That space matters when someone pulls out a hot bowl, a mug of water, or a covered dish. In real kitchens, landing space may be a counter beside a tall appliance cabinet, the island top above a drawer microwave, or a nearby prep surface.
For resale-focused remodels, we often like moving the microwave off the range wall. A drawer microwave in an island or base cabinet lets the range hood do its real job: ventilation. It also keeps the cooking wall cleaner and makes room for tile, a proper hood, or a more refined cabinet layout.
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- 【Precision Cooking&Large Capacity】The microwave oven has 1.6 Cu.Ft capacity and 10 different microwave power levels for precise temperature and time timing settings. You can adjust the cooking power from 10% to 100% to easily select the different levels needed to cook different foods for fast, efficient and perfect cooking, ideal for the kitchen. The built-in Halogen lamp light allows you to see exactly how your food or drinks are heating up through the insulated door glass. Product Size:29.82inx22.26inx19.49in(WxDxH)--Outward-Downward Opening,Reserve Sufficient Space.
- 【10 Cooking Types】Inside the stainless steel microwave are set to correspond to 10 functions, including AUTO DEFROST, SOFTEN/MEL, SENSOR COOK, SENSOR REHEAT, AIR FRY, POPCORN, PIZZA, BEVERAGE HEAT, BROIL, CONVECTION. The 1000 watt microwave air fryer has Soften/Melt and Defrost Functions: defrosts meat and butter. Pizza and Popcorn Functions: Easily and quickly create a homemade gourmet feast in the microwave with just one touch-your family and kids' go-to source of joy!
- 【One Touch Smart Cooking&Airfry】Commercial Microwave oven is equipped with glass touchpad control and Auto Menu Function built-in 6 preset auto-cooking programmes, which can cook food automatically with one touch, saving your time. The over the range microwave oven sensor heating mode will automatically sense to determine the cooking time and power needed for each food to cook many of your favourite foods(Can identify meat, vegetables, potatoes, seafood, frozen food). Airfry Function: can manual DIY airfry foods.
- 【Easy to Clean】The wall oven microwave combos shell is high-quality stainless steel, rust and scratch resistant, beautiful and neat, and the inner coated metal interior, which allows you to wipe and clean spills in the microwave ovens quickly and easily, so you can have more time to enjoy your life. Child Lock: prevent children from accidentally touching it, giving your family more peace of mind. Timing Function: Set cooking time freely. Convection Broil Mode: The fan distributes hot air evenly around the food, and 360° hot air circulation in the electric oven ensures even heat distribution for consistent cooking results.
- Product Size:29.82inx22.26inx19.49in(WxDxH), Voltage: 120 VAC, 60 Hz,(need 20A plug); Built for speed and convenience with 1750 watts broil element, 1000 watts microwave power, 1700 watts convection element. AAOBOSI microwave oven offers multiple specialized cooking modes for you to choose and use, making it an excellent choice for both household and commercial cooking. If you encounter any transportation or usage issues, please contact us and we will provide you with a satisfactory solution. In addition,we offer lifetime technical support and customer service within 12 hours.
Electrical, Ventilation, and Permit Notes
Microwaves are not all wired the same way. Some plug into a receptacle. Some wall oven/microwave combinations may need a dedicated branch circuit or hardwired connection depending on the appliance. The installation guide controls the requirement, and local code adoption controls the inspection standard.
In many jurisdictions, appliance circuits may also trigger GFCI and AFCI requirements, especially as local adoption of newer electrical code provisions changes. Kitchens are already one of the most code-sensitive rooms in the house. If the project involves a new outlet, relocated outlet, dedicated circuit, panel work, or a hardwired wall oven combo, bring in a licensed electrician and confirm permit requirements before closing the cabinet.
Ventilation clearance is another non-negotiable item. Built-in trim kits are designed to preserve airflow around the microwave. Blocking vents with a reused trim frame, tight filler, or cabinet panel can shorten appliance life and create heat problems. This is one reason we keep the appliance installation sheet on site for the cabinet installer, electrician, inspector, and future service technician.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.When to DIY vs When to Hire a Pro
A careful homeowner can sometimes install a replacement countertop-style microwave with a matching trim kit if the existing cabinet opening, outlet, support shelf, and ventilation path already match the new appliance. That is the narrow DIY lane. Expect a basic swap to take 2 to 4 hours if everything fits and the old trim comes apart cleanly.
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Random freezes, missing sound and display glitches usually trace back to one bad driver. Find and replace yours safely.Free scan · under a minuteHire a pro when the cabinet opening needs to be resized, the face frame must be modified, the appliance is a drawer microwave, the unit is part of a wall oven combination, the outlet must move, a new circuit is needed, or the installation requires inspection. Also hire help if the appliance is heavy enough to require two-person handling. Wall oven/microwave combinations are not casual weekend installs.
For cabinet work, expect the cleanest result when the opening is shop-built or modified by a finish carpenter. Field-cutting can work, but matching old stain, aligning reveals, and preserving structural support take patience. A rushed cut around a $1,500 appliance is easy to see every day.
What We Would Choose for Common Kitchen Scenarios
If You Want the Lowest-Cost Built-In Look
Use a quality microwave with the exact manufacturer-approved 30-inch trim kit. Budget roughly $500 to $1,100 for the appliance category before installation and trim-related costs. This is often the best choice for a cabinet opening that already exists and does not justify rebuilding the whole wall.
If You Are Remodeling the Island
Use a microwave drawer. Plan for roughly $1,400 to $2,500 or more for the appliance, plus cabinet labor. Make sure the drawer front clears adjacent cabinet hardware and seating overhangs. This is one of the best options for universal design and a cleaner range wall.
If You Cook Seriously
Look at a convection microwave or speed oven-style unit rather than a basic microwave. These appliances cost more, but they can handle reheating, browning, crisping, and secondary-oven duties better than a simple microwave. Confirm electrical and ventilation requirements early.
If You Are Rebuilding the Appliance Wall
Consider a 30-inch wall oven/microwave combo from Bosch, Frigidaire Gallery, Whirlpool, Samsung, LG, GE Profile, Cafe, or KitchenAid. Budget roughly $2,400 to $4,500 for many common units, with premium models above that. Installation can start in the $1,738 to $3,659 range because the work is closer to wall oven installation than microwave installation.
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- 1-YEAR LIMITED WARRANTY: Our customer support team is based proudly in the USA. Exterior dimensions: 29.9"(W) x 23.2"(D) x 16"(H) Electrical Requirements: 120V/60Hz.
Final Buying Checklist
Before ordering, write down the exact model number, trim kit model number, required cutout width, cutout height, minimum depth, required rear and side clearances, electrical requirement, plug or junction location, door swing or drawer travel, finished floor-to-microwave-bottom height, and landing space. Keep the PDF or printed installation guide with the job paperwork.
Then compare brands. KitchenAid is strong for premium convection features. Bosch works well in integrated appliance walls. Sharp is a reliable microwave drawer choice. Frigidaire Gallery is practical for value-focused wall oven/microwave combinations. GE Profile and Cafe are good when the appliance suite and finish details matter. Samsung and LG are worth pricing during package sales, especially for smart features.
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The best 30-inch built-in microwave is the one that fits the cabinet, serves the way your household cooks, and can be serviced later without tearing apart finished woodwork. Get the dimensions right first, and the brand decision becomes much easier.
Frequently Asked Questions
What is the difference between a 30-inch built-in microwave and a 24-inch microwave with a 30-inch trim kit?
A true 30-inch built-in microwave is designed as a built-in appliance with a wide finished face and specific cabinet clearances. A 24-inch microwave with a 30-inch trim kit uses a smaller microwave body and a wider manufacturer-approved frame to create the built-in look. The trim kit improves appearance but does not increase interior cooking capacity.
How much does it cost to install a built-in microwave in 2026?
A microwave-only installation commonly runs about $623 to $1,223 nationally in 2026, depending on cabinet fit, outlet location, mounting, and finish work. A wall oven/microwave combo can cost much more to install, with wall oven-style installation estimates starting around $1,738 to $3,659.
Is a microwave drawer better than a built-in wall microwave?
A microwave drawer is better for islands, base cabinets, aging-in-place layouts, and kitchens where you want a cleaner range wall. A built-in wall microwave is often better when you want the appliance at standing height or stacked with a wall oven. The right choice depends on user height, cabinet layout, landing space, and budget.
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Usually, no. Trim kits are model-specific because they control fit, attachment points, and airflow. Reusing an old or off-brand trim kit can leave uneven gaps, block ventilation, or make the appliance unsafe to operate.
Do built-in microwaves need a dedicated circuit?
Some do, and wall oven/microwave combinations often have stricter electrical requirements. Always follow the appliance installation guide and local code. If the project involves a new circuit, outlet relocation, hardwired connection, GFCI or AFCI updates, or panel work, use a licensed electrician.
When should I choose the microwave during a kitchen remodel?
Choose the exact microwave before final cabinet drawings are approved. The cabinet opening, support shelf, outlet location, ventilation clearance, and trim kit all depend on the selected model number.
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