Best 24-Inch Microwave With Trim Kit for Built-in Kitchens
Looking for a built-in microwave that fits a standard 24-inch opening? This guide highlights five top options with trim kits designed for seamless integration into cabinets and wall spaces. Each model offers sensor cooking, adjustable power levels, and the ability to pair with a dedicated trim kit for a clean, built-in look. Read on to compare performance, installation flexibility, and features that ensure reliable reheating, defrosting, and cooking results.
| Product | Brand | Key Benefit |
|---|---|---|
| Frigidaire Gallery Series GMBS3068BF | Frigidaire | Large 2.2 cu. ft. interior with trim kit options |
| Frigidaire PMBS3080A | Frigidaire | Sensor Cook and 1100W for faster heating |
| Summit SMBI24 | Summit Appliance | Built-in 24″ design with included stainless trim kit |
| Frigidaire PMBS3080BF | Frigidaire | Built-in microwave with trim kit option and sensor cook |
| Samsung MA-TK8020TS/AA | Samsung | Premium stainless trim kit for built-in look |
Note: All selections support 24-inch installation spaces with compatible trim kits. Each product offers practical features for everyday cooking, from sensor-based settings to multi-stage options, helping ensure consistent results in compact kitchen layouts.
Frigidaire Gallery GMBS3068BF With Trim Kit Option

The Frigidaire Gallery GMBS3068BF is a 2.2 cu. ft. built-in microwave designed to fit 27″ or 30″ trim kit configurations sold separately. It provides ample cooking space for large dishes and multiple items, making it ideal for family meals or entertaining. Sensor-driven controls automatically set power levels and cook times to deliver consistent results, reducing guesswork during busy weeknights. A compatible trim kit ensures a seamless, flush installation in 24″ cabinetry when paired with the appropriate 24″ frame. This model emphasizes a modern look combined with practical interior capacity.
Frigidaire PMBS3080A 24″ Wide Sensor Microwave

The Frigidaire PMBS3080A provides 2.2 cu. ft. of interior space in a 24-inch-wide footprint and features Sensor Cook for automatic doneness. With 1100 watts of power, it delivers robust heating and faster reheating compared with lower-wattage models. Quick Start options simplify routine meals, and the unit’s compact depth helps fit a range of built-ins and island applications. Sensor technology minimizes guesswork by adjusting time and power for a variety of foods, from popcorn to vegetables, ensuring reliable results in everyday cooking tasks.
Summit SMBI24 Built-In Microwave with Trim Kit

Summit SMBI24 is a 1.2 cu.ft. built-in microwave designed for 24″ spaces. It ships with a stainless steel trim kit that enables installation in 24″ wide cabinets or above ranges. The model offers a range of power levels and cooking modes, including defrost by weight or time, multistage cooking, and a 30-second extra button for quick reheats. It is suitable for installations above or below counters and can be paired with a wall oven setup, with child lock for safety during use. This option emphasizes versatility in compact kitchens and RV-ready setups.
Frigidaire PMBS3080BF 2.2 Cu. Ft. Trim Kit Ready

The Frigidaire PMBS3080BF offers a 2.2 cu. ft. interior with sensor-based cooking. Included trim kit compatibility allows a built-in look with matching cabinet finishes when installed in a 24″ wide cavity. The unit supports precise cooking by automatically adjusting power levels and times, which helps ensure evenly heated meals. Its dimensions align with common built-in cutouts, and the trim kit (sold separately) provides the finishing touch to integrate into a cohesive kitchen design.
Samsung MA-TK8020TS/AA Trim Kit for Built-In Look

The Samsung MA-TK8020TS/AA trim kit provides a premium stainless steel finish to create a built-in appearance for select Samsung microwaves. While the kit focuses on aesthetics, it complements built-in installations by delivering clean lines and a durable frame that blends with stainless steel appliances. Designed to work with compatible Samsung microwave models, the kit helps achieve a professional, integrated kitchen look without altering the surrounding cabinetry. Always verify model compatibility before purchasing the trim kit.
Buying Guide: Key Considerations For 24-Inch Microwave With Trim Kit
- Size and fit: Confirm cabinet opening width (24″ standard) and depth allowances. Check whether the trim kit is included or sold separately, and ensure compatibility with your chosen microwave model.
- Power and cooking options: Look for wattage (900–1100W typical) for quick heating. Sensor cooking, defrost by weight, and multistage options enhance convenience and precision.
- Interior capacity: 1.0–2.2 cu. ft. ranges suit different family sizes. A larger cavity accommodates bigger dishes, while compact interiors save space in tight kitchens.
- Installation flexibility: Some units support above-cooktop, under-cabinet, or wall-oven layouts. Consider whether a product can be installed above or below counters to fit your kitchen workflow.
- Trim kit aesthetics: Choose finishes (stainless steel, matching cabinet panels) to achieve a seamless built-in look. Ensure trim kits are designed for the specific microwave model.
- Control and safety features: Auto shutoffs, child lock, and simple one-touch controls reduce accidental usage and improve safety in households with children.
- Brand and service: Prefer brands with robust warranty coverage and easy access to replacement parts or trim kits if needed in the future.
- Budget and availability: Compare total cost including trim kit price if not included. Verify current availability and compatibility with your existing cabinet system.