Comparison: Best 45Cm Built In Microwave (Updated | Dec 8th)
Looking to upgrade your kitchen with a sleek, space-saving microwave? The 45cm built-in models are a game-changer—perfect for modern homes where style and function go hand in hand. But with so many options out there, how do you know which one delivers on performance, features, and value? We’ve tested the top contenders to bring you honest, real-world insights. Say goodbye to guesswork and hello to the best 45cm built-in microwave that truly fits your cooking needs and kitchen vibe.
- Best for spacious sensor cook: Frigidaire Gallery Series GMBS3068BF 2.2 cu. ft. Built-in Microwave Oven
- Best for cyclonic inverter power: Panasonic Microwave Oven
- Best for trim kit ready: Frigidaire PMBS3080BF 2.2 cu. ft. Built-In Microwave Oven with Sensor Cook
- Best for fits-more sensor cook: Frigidaire PMBS3080A 24 Inch Wide 2.2 Cu. Ft. 1100 Watt Built In Microwave with Sensor Cook – Stainless Steel
- Best for rv compact microwave: GE® 0.9 Cu. Ft. Capacity Built-In Microwave Oven
- Best for sleek 1-touch cook: Summit 27” and 30″ Built-In Microwave Oven Stainless Steel
- Best for microwave-grill combo: Emerson MWG1191SB 1.1 Cu. Ft. Microwave with Built-In Grill Function
- Best for quiet drawer microwave: 24 Inch Built-in Microwave Drawer
- Best for jet-black powerhouse: 30” Summit Microwave Oven
- Best for convection airfry pro: AAOBOSI 24 Inch Built in Microwave Convection Oven
Product Comparison: Best 45Cm Built In Microwave
Frigidaire Gallery Series GMBS3068BF 2.2 cu. ft. Built-in Microwave Oven, Trim Kit Sold Separately
- 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
Panasonic Microwave Oven, Stainless Steel Countertop/Built-In Cyclonic Wave with Inverter Technology and Genius Sensor, 2.2 Cu. Ft, 1250W, NN-SN97JS (Silver)
- PANASONIC COUNTERTOP MICROWAVE OVEN CYCLONIC INVERTER: This 1250-Watt high power, 2. 2-cubic-foot capacity stainless steel countertop/built-in microwave maintains the full flavor and nutrients of your favorite foods with Cyclonic Wave technology for ultra-efficient cooking at all temperature levels
- INVERTER TECHNOLOGY WITH TURBO DEFROST: patented Inverter Technology generates a seamless stream of power and delivers consistent, evenly prepared food without overcooking; advanced Inverter Turbo Defrost speeds up defrosting time
- LARGE FAMILY SIZE: This countertop microwave with 16. 5-inch turntable is thinner, lighter and more efficient, allowing you to devote less space to electronics and more to interior capacity; internal dimensions (H x W x D): 10-15/16-inch x 18-7/16-inch x 18-1/2-inch
- SMART COOKING SETTING: Built-in automatic sensor adjusts power and times based on different foods; other advantages include 20 preset menu items, quick-minute timer, delay start and child safety lock
- FOOD WARMING FEATURE: This Inverter microwave keeps soups, gravies or desserts warm and fresh until get ready to serve.Power requirement:120V 60Hz, 12.7A1480W, AC only
Frigidaire PMBS3080BF 2.2 cu. ft. Built-In Microwave Oven with Sensor Cook, Trim Kit Required (Sold Separately)
- Width: 24 3/8 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
- built-in trim kit 30″ (PMTK3080AF) Sold Seperatly
Frigidaire PMBS3080A 24 Inch Wide 2.2 Cu. Ft. 1100 Watt Built In Microwave with Sensor Cook – Stainless Steel
- Fits-More Microwave
- Take The Guesswork Out Of Cooking With Sensor Cook
- Convenient Quick Start Options
- Reheat Leftovers Easily With Sensor Reheat
GE® 0.9 Cu. Ft. Capacity Built-In Microwave Oven
- Built-in Microwave
- Engineered for RV
- Convenience Cooking Controls
- Dimensions: 11 1/2 H x 19 W x 14 1/2 D
Summit 27” and 30″ Built-In Microwave Oven Stainless Steel, 2.2 Cubic Feet, with Trim Kit Digital Control Panel, 1200W (27 Inch)
- Built-In 27” Microwave Oven: This built-in microwave oven includes a trim kit for seamless installation in 27″ wide cabinet openings. It’s designed for efficiency and modern kitchens, providing a sleek look and powerful performance.
- Features: The microwave offers 2.2 cu.ft of cooking space, a powerful 1200W operation, and a digital control panel. It includes a large glass turntable for even heating and a stainless-steel front that matches many kitchen designs.
- 1-Touch Cooking Options: Pre-programmed settings make cooking easy with options for potatoes, pizza, beverages, popcorn, frozen dinners, and reheating. The +30 Seconds function adds time with one touch, and defrost functions ensure precise cooking.
- Built-In Trim Kit: The microwave comes with a full set of accessories, including a bottom duct, rails, trim kit frame, and all necessary screws for installation. This ensures a perfect fit and seamless integration into 27″ wide spaces.
- Size: Designed for cutouts of 17 1/8″ H x 25 1/2″ W x 22 3/4″ D, the microwave itself measures 13 1/2″ H x 24 3/8″ W x 19 5/8″ D. The trim kit covers spaces up to 26 7/8″ W, ensuring a precise and tidy installation.
Emerson MWG1191SB 1.1 Cu. Ft. Microwave with Built-In Grill Function, 1100W Power, Stainless Steel, LED Timer Display, 11 Power Levels, 9 Preset Cooking Options, Removable Glass Turntable, Child Lock
- Microwave & Grill in One: Experience versatile cooking with Emerson’s built-in grill function, perfect for crisping pizzas, browning casseroles, or achieving that grilled finish on meats and sandwiches—right from your countertop.
- Powerful 1100W Microwave Performance: With 11 adjustable power levels, you can precisely control cooking intensity, from gentle reheating to full-powered meal preparation.
- Sleek Stainless Steel Design: The cabinet and front panel feature a durable stainless steel finish that adds a modern touch to your kitchen while ensuring easy cleaning and long-lasting appeal.
- User-Friendly Retro Controls: Equipped with chromed handle and vintage-style control buttons for effortless operation and a stylish, classic look.
- Convenient Cooking Presets & Defrost Options: Includes 9 pre-programmed settings for everyday favorites like popcorn, pizza, vegetables, and more. Plus, time and weight defrost functions make thawing fast and safe.
24 Inch Built-in Microwave Drawer, ThermoMate 1.2 Cu. Ft. Microwave Drawer with Automatic Presets, 1000 Watts with 11 Power Levels, Touch Controls, Sensor Cooking, Defrosting Rack, Stainless Steel
- 1000 Watts&11 Power Levels – The Microwave Drawer comes with 1000 watts of cooking power and 11 different power levels, which allows you to adjust the cooking power from 0% to 100%. It does everything from defrosting to baking.
- One-Touch Auto Door – Our drawer microwave oven adopts a simple one-touch door opening and slow door closing design. You can open or close the microwave drawer door with just a light touch, which is convenient to use.
- 1.2 Cu. Ft. Large Capacity：The drawer microwave oven offers a large capacity of 1.2 Cu. Ft., with a size of 23 7/8″(W) x 24 9/16″(D) x 15″(H) and built-in size of 22 1/8″(W) x 23 1/2″(D) x 14 13/16″(H). Features four auto-cook menu: beverage, popcorn, melt, soften, which automatically adjusts the power and cooking time to cook a wide variety of foods with ease.
- Silent Mode: The silent function of this drawer microwave oven allows you to enter a silent cooking world. Whether it is morning, afternoon or night, you can enjoy the quiet cooking time.
- Child Safety Lock – This drawer microwave oven is is equipped with a child lock function. Once turned on, it can effectively prevent children from starting the microwave oven by mistake and avoid accidents. Whether it is a busy cooking time or a short leave from the kitchen, it can give you peace of mind.
30” Summit Microwave Oven, Built-in Microwave, 2.2 cu. ft. Capacity, Stainless Steel with Trim Kit – SMBI27TK30
- A microwave to fit your space: A 2.2 cu.ft. capacity microwave with a trim kit to fit in 27” wide cut-outs. Designed for 17 1/8″ H x 25 1/2″ W x 22 3/4″ D cutouts, with a trim kit that covers spaces up to 29 3/4″ W. Note: actual microwave is sized at 13 1/2″ H x 24 3/8″ W x 19 5/8″ D.
- Great look for any kitchen: This 1200W unit has a stainless steel front and a modern jet-black exterior. Inside has 2.2 cu.ft of cooking space. This microwave features a clean white interior with a large glass turntable, which can be removed for easier cleanup.
- Features for cooking easy and fast: Large window design makes it easy to view your cooking without opening the door. The interior includes a sizable glass disc that rotates to ensure even heating. Pre-programmed settings for potatoes, pizza, beverages, popcorn, frozen dinners, and reheating.
- Dimensions & Build: 18.88″ H x 29.75″ W x 19.63″ D, Capacity 2.2 cu.ft. Note: actual microwave is sized at 13 1/2″ H x 24 3/8″ W x 19 5/8″ D.
AAOBOSI 24 Inch Built in Microwave Convection Oven,1.6 Cu.Ft Wall Microwave Ovens Air Fryer Combos(upgraded), 1000Watt Power Sensor&Auto Cook, 12 Cooking Modes, Drop Down Door,Stainless Steel
- 【Precision Cooking&Large Capacity】The microwave oven has 1.6 Cu.Ft capacity and 11 different microwave power levels for precise temperature and time timing settings. You can adjust the cooking power from 0% 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 LED light allows you to see exactly how your food or drinks are heating up through the insulated door glass. When the microwave air fryer power is set to 0, the countertop microwave will turn on the fan to clean the cavity of flavours.Product Size:23.4in x22.4in x17.9in(WxDxH)–Outward-Downward Opening,Reserve Sufficient Space.
- 【12 Cooking Types】Inside the stainless steel microwave are set to correspond to 12 functions, including AUTO DEFROST, SENSOR COOK, SENSOR REHEAT, AIR FRY, POPCORN, BEVERAGE, PIZZA, AUTO MENU, BROIL HIGH-LOW, POWVER LEVEL, CONVECTION, PREHEAT modes. The 1000 watt microwave air fryer has a Beverage Heating function and 2 Defrost Functions: defrosts mince and meat. Pizza Function: allows the user to make 3 types of pizza. Popcorn Function: allows the user to pop 3 different sizes of popcorn in the microwave. Easily and quickly create your family food feast.
- 【One Touch Smart Cooking&Airfry】Commercial Microwave oven is equipped with glass touch control and Auto Menu Function built-in 8 preset auto-cooking programmes, which can cook food automatically with one touch, saving your time. Comes with two Auto Sensing Cooking modes, 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:Including 10 commonly used air fried food automatic mode and manual DIY mode.
- 【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.
- 【Multiple Accessory Design】Turntable: Rotates 360° to provide even heat. Ceramic Tray: Suitable for both microwave and conventional cooking. You can place food such as popcorn bags or potatoes directly on the ceramic tray, which gets hot quickly during convection cooking. Grill Rack: The included removable grill rack creates a dual cooking zone, increasing the ability to cook multiple dishes at the same time.Grill pan: cannot be used at the same time as the microwave function, it is recommended to use both the grill and the grill pan when cooking food that may drip on the grill. Wire Mesh Rack: For grilling such as steaks, sausages and toast. Cooking Guide manual:food cooking guide.
- Product Size:23.4in x22.4in x17.9in(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 over 30 specialized cooking modes for you to choose and use, making it an excellent choice for both household and commercial cooking.Note: Please avoid using it in an empty cavity.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.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Buying Guide
FAQs
What size should I choose for a 45 cm built‑in microwave?
A 45 cm (about 17.7 in) cutout fits most 24‑inch wide microwaves, which are common in the market. Look for models that list a cutout width of roughly 24 3/4 in and a height around 16 3/4 in, such as the Frigidaire Gallery Series GMBS3068BF. Verify the cabinet depth and trim kit compatibility to ensure a seamless installation.
How do sensor‑cook features differ between the Frigidaire and Panasonic models?
Both Frigidaire models (GMBS3068BF and PMBS3080BF) use built‑in sensors that automatically adjust power and time for optimal results. Panasonic’s Cyclonic Wave technology adds an inverter that delivers a continuous power stream, which can reduce over‑cooking and improve defrost speed. If precise sensor performance is a priority, Panasonic’s inverter may offer a slight edge.
Is a trim kit necessary, and which models include one?
A trim kit ensures the microwave fits flush within the cabinet opening and provides a finished look. Frigidaire offers separate trim kits for 27‑in and 30‑in cabinets (e.g., GMTK2768AF, PMTK3080AF), while Summit includes a full trim kit for its 27‑in and 30‑in models. Always purchase the kit that matches your cabinet width; some models, like the GE 0.9 cu ft unit, do not require a separate kit due to its compact size.
Which microwave gives the best value for a 2.2 cu ft capacity?
The Summit 27‑in and 30‑in built‑in microwaves provide 2.2 cu ft capacity, 1200 W power, and a range of preset cooking modes at a competitive price point. Frigidaire’s Gallery Series offers similar capacity and power but often costs a bit more due to brand premium. If you prioritize features like a large glass turntable and multiple presets, Summit delivers strong value.
How important is inverter technology for everyday cooking?
Inverter technology, found in Panasonic’s model, delivers a steady stream of power, which helps maintain food texture and reduces hot spots during reheating or defrosting. For routine tasks like reheating leftovers, traditional sensor microwaves perform well, but the inverter can provide smoother results for delicate foods. Consider it a nice‑to‑have upgrade rather than a necessity.
Can I use a built‑in microwave in an RV or small space?
Yes, the GE 0.9 cu ft built‑in microwave is engineered specifically for RV installations, offering a compact footprint (19 W × 11½ H × 14½ D). While it lacks the larger 2.2 cu ft capacity, its smaller size fits tighter spaces and reduces power consumption. Choose this option if space and mobility are top concerns.
What extra features should I look for beyond basic heating?
Features such as a warming function, child safety lock, auto‑defrost, and preset cooking programs add convenience and safety. Panasonic includes a Turbo Defrost and food‑warming mode, while Summit offers one‑touch cooking presets for pizza, popcorn, and beverages. Decide which extras align with your cooking habits to justify any price difference.
How do I compare power ratings and cooking speed?
Power ratings range from 1100 W (Emerson) to 1250 W (Panasonic) and 1200 W (Summit). Higher wattage generally means faster cooking times, especially for dense foods like frozen meals. However, sensor and inverter technologies can offset lower wattage by optimizing power delivery, so consider both wattage and smart cooking features when comparing speed.