Finding a compact microwave that still delivers full-sized performance can be a challenge. This guide highlights 21-inch class microwaves with trim kits to achieve a seamless built-in look in smaller kitchens, RVs, or apartments. Each option below pairs reliable cooking power with a ready-to-install trim kit, helping you save counter space without sacrificing style or functionality.
Summary of chosen products
| Product | Brand | Approximate Size | Trim Kit Included | Notes |
|---|---|---|---|---|
| Frigidaire Gallery GMBS3068BF | Frigidaire | 2.2 cu ft | Trim kit sold separately (GMTK2768AF / GMTK3068AF) | |
| Panasonic NN-TK932SS Trim Kit | Panasonic | 2.2 cu ft | Yes | |
| Samsung MA-TK8020TS/AA | Samsung | 1.2 cu ft | Yes | |
| RecPro RV Microwave with Trim Kit | RecPro | 1.0 cu ft | Included trim kit | |
| SAMSUNG MA-TK3080CT | Samsung | 1.2 cu ft | Yes |
Frigidaire Gallery GMBS3068BF 2.2 cu. ft. Built-in Microwave Oven
The Frigidaire GMBS3068BF provides a spacious 2.2 cubic feet of cooking capacity, suitable for large dishes and multiple items. A built-in trim kit is available separately in 27″ (GMTK2768AF) and 30″ (GMTK3068AF) sizes to achieve a flush, integrated installation. Sensor-based cooking automatically selects power levels and cook times to simplify meal preparation. This model supports a professional-looking built-in installation with compatible trim kit options for tailored cabinet openings.
Frigidaire Gallery 27-Inch Trim Kit (Stainless Steel)
This 27-inch trim kit is designed to pair with the Frigidaire built-in microwave range, offering a cohesive stainless steel finish that complements contemporary kitchens. While not a stand-alone microwave, pairing this trim kit with compatible Frigidaire ovens creates a clean, professional look for compact spaces, RVs, or kitchens seeking maximized cabinetry aesthetics.
Panasonic NN-TK932SS 30-Inch Trim Kit
The Panasonic NN-TK932SS trim kit is engineered for 30″ installations and supports 2.2 cubic foot Panasonic microwaves. Its stainless steel finish provides a premium appearance, while the precise outer dimensions ensure a snug, professional fit. Cabinet opening requirements and exact fit dimensions are specified to help installers confirm compatibility with your chosen microwave model.
Samsung MA-TK8020TS/AA Microwave Trim Kit
This Samsung trim kit helps create a premium, built-in look for compatible models such as the MS19M8000AS/AA. The kit is designed to streamline installation and deliver a seamless transition from countertop to cabinetry, enhancing the overall kitchen aesthetic while maintaining practical access to controls and vents.
RecPro RV Microwave with Trim Kit
RecPro’s RV microwave includes a built-in trim kit and is designed for mobile installations. With 900 watts of power and 30-second instant start plus eight express cook options, this option suits small spaces where a conventional kitchen cabinet layout isn’t feasible. Available in stainless steel or black, it blends with a wide range of RV interiors.
Tough Grade 1.0 Cu Ft Microwave with Trim Kit
This Tough Grade model focuses on compact space efficiency with a stainless steel trim kit that complements RVs or small kitchens. Features include a child lock, touch pad controls, and a slim profile designed to maximize countertop and cabinet space while delivering dependable performance for quick meals.
NN-TK922SS 27-Inch Trim Kit for Panasonic Ovens
The NN-TK922SS trim kit fits Panasonic 2.2 cu ft microwaves in a 27-inch configuration, ideal for compact spaces that require built-in aesthetics. It includes precise measurements and mounting hardware to ensure a clean, secure installation above or next to cabinetry.
Samsung MA-TK3080CT Trim Kit
This 30-inch trim kit from Samsung is designed to deliver a seamless built-in appearance for compatible models, reinforcing a premium kitchen look. It’s suited for users seeking a flawless integration of microwave with cabinetry for a modern, streamlined kitchen space.
Buying Guide: Key Considerations for 21-Inch Microwave Trim Kits
- Fit and opening dimensions: Verify cabinet openings and wall clearance against the trim kit’s exterior measurements to ensure a true built-in look without overcrowding the space.
- Microwave capacity: For 21-inch interiors, prioritize models around 2.0–2.2 cu ft if you regularly cook large dishes, while smaller RV or apartment setups may opt for 1.0–1.2 cu ft options for tighter spots.
- Trim kit compatibility: Trim kits are often sold separately or in pairs with specific micowave models. Confirm model compatibility, mounting hardware, and finish (stainless steel is the most universal to match other appliances).
- Power and features: Look for sensor cooking, defrost options, quick-start, and energy efficiency. Built-in configurations should align with your electrical setup and venting needs if applicable.
- Aesthetics and finish: Choose a trim kit that matches existing hardware and cabinetry to minimize visual breaks and achieve a cohesive look.
- RV and portable considerations: For mobile installations, select trim kits designed for RV mounting, with robust brackets and secure mounting solutions.
- Warranty and service: Check warranty coverage for both microwave and trim kit, and confirm the availability of replacement parts and support in the U.S.
Choosing the right 21-inch microwave with a trim kit involves balancing interior space, installation constraints, and aesthetic goals. The options above cover built-in versatility, from high-capacity models intended for home kitchens to compact units optimized for RVs or apartments. Review the installation requirements for your specific cabinet openings and align the finish and model with your overall kitchen design to achieve a polished, seamless result.