The search for a built-in microwave that fits a 24 by 13 inch opening often centers on capacity, multi-function cooking, and easy installation. This guide highlights five compatible models that balance power, features, and durability, helping you pick a device that streamlines mealtime in American homes.
| Product | Brand | Capacity | Type | Key Benefit |
|---|---|---|---|---|
| Frigidaire GMBS3068BF | Frigidaire | 2.2 cu ft | Built-In Microwave with Trim Kit | Large cavity with sensor cooking |
| ThermoMate 24″ Drawer | ThermoMate | 1.2 cu ft | Microwave Drawer | One-Touch Auto Door, 1000W |
| ThermoMate 24″ Wall Oven Combo | ThermoMate | 1.6 cu ft | Built-In Microwave & Convection | Convection and microwave modes |
| KoolMore KM-CWO24-SS | KoolMore | 1.2 cu ft | Convection Oven & Microwave | Broil and convection heating |
| KoolMore KM-MD-1SS | KoolMore | 1.2 cu ft | Microwave Drawer | Low-profile, pull-out design |
Frigidaire Gallery GMBS3068BF 2.2 cu. ft. Built-in Microwave

The Frigidaire GMBS3068BF offers 2.2 cubic feet of cooking space, a built-in trim kit (27″ and 30″ variants sold separately), and sensor-based cooking to optimize power and time. This model supports large dishes and multiple items simultaneously, making it suitable for busy households or entertaining. The built-in trim ensures a seamless, integrated look with standard cabinetry, improving kitchen aesthetics while preserving cabinet efficiency.
ThermoMate 24 Inch Built-in Microwave Drawer

ThermoMate’s 1.2 cubic foot drawer microwave features 1000 watts and 11 power levels, enabling precise control from defrosting to baking. The one-touch auto door simplifies operation, while its pull-out drawer design fits flush with cabinetry for a clean kitchen line. Auto-cook presets cover common foods, reducing guesswork and saving time during weeknights.
ThermoMate 24 Inch Built-in Convection Oven and Microwave

This ThermoMate unit pairs a 1.6 cubic foot microwave with convection cooking, expanding kitchen versatility. The convection system uses top and bottom heating elements and a sensor cook function to deliver evenly browned results. A double-layered glass door helps retain heat during operation, while interior visibility keeps you informed of progress as meals heat through.
KoolMore KM-CWO24-SS 24 Inch Convection Oven and Microwave

With dual microwave and convection modes, KoolMore KM-CWO24-SS offers faster cooking with a 1000W power rating. The convection element improves browning and even heating, while a safety-focused design, including cool-door technology, helps keep exterior surfaces cooler during use. The unit supports multiple cooking strategies from reheating to baking in a compact 24-inch footprint.
KoolMore KM-MD-1SS 24 Inch Microwave Drawer

The KoolMore KM-MD-1SS offers a 1.2 cubic foot drawer configuration with 1000 watts of power and 10 memory- and timer-enabled cooking options. Its pull-out design minimizes counter clutter and integrates neatly into cabinetry. The one-touch open with slow-close door adds to daily ease, especially when hands are full or children are nearby.
Buying Guide: Key Considerations For Your 24×13 Built-In Microwave
- Configuration and fit: Ensure your opening is exactly 24 by 13 inches. Drawer models require cabinet depth and front-frame clearance; built-in microwaves demand a trim kit for a flush look.
- Power and speed: Most models in this category use 1000W with multiple power levels. Higher wattage reduces cooking time and improves defrost accuracy for bulky items.
- Cooking modes: Look for convection capabilities if you want browning and even heat, plus sensor cooking to automate power and time based on interior moisture.
- Door design: Drawer doors save counter space and provide easy access; traditional swing doors may offer broader compatibility with existing cabinetry.
- Safety features: Child lock, cool-door technology, and auto shutoff enhance safe operation in households with kids and busy kitchens.
- Energy efficiency: Check energy star ratings or efficiency options, especially for continuous use in busy homes.
- Maintenance: Stainless steel interiors and easy-to-clean surfaces reduce the burden of regular cleaning and residue buildup.
- Installation considerations: Some models require dedicated trim kits or built-in housings; verify compatibility with your cabinet design and electrical supply.
- Choose a primary function: If you mainly reheat and defrost, a drawer model with smart auto presets may be ideal.
- Balance form and function: A model with a clean exterior and durable interior will maintain its appearance over time in a busy kitchen.
- Budget alignment: A built-in system can be a long-term investment; select a model that meets your performance needs without unnecessary features.
- Future-proofing: Consider models with sensor cooking and convection for enhanced versatility as cooking habits evolve.