10 Best 30-Inch Built-In Microwave Ovens 2025 in the United States

The KoolMore KM-CWO30-SS Built-in Microwave offers a versatile cooking experience with its 1000 watts of power and multiple cooking modes, including microwave, convection oven, and an integrated air fryer. This functionality allows for a variety of cooking methods, making it a flexible option for different culinary tasks.

The built-in installation ensures a seamless fit into your kitchen, while the user-friendly control panel simplifies operation, making it accessible even for those not tech-savvy. With a generous 1.6 cubic feet capacity, it can accommodate a wide range of dish sizes, suitable for different family meals or entertaining guests.

The stainless steel finish provides durability and a modern aesthetic, enhancing the look of your kitchen. Additionally, the manual clean type is straightforward, allowing for easy maintenance without too much hassle. However, the turntable feature, while useful for even cooking, can be a bit limiting compared to flatbed options that offer more space and flexibility. Also, the 1000-watt power is decent but might be on the lower side for users who need quicker cooking times. This microwave is ideal for residential use and those looking to add a multifunctional appliance to their kitchen without overly complex features.

The KoolMore KM-MD30-SS Microwave Drawer is a solid choice for anyone looking to upgrade their kitchen with a modern and sleek appliance. Featuring a 30-inch design and stainless steel finish, it blends well with both contemporary and traditional kitchen styles.

The microwave has a capacity of 1.2 cubic feet, which is versatile enough to handle various dish sizes, making everyday cooking convenient. With a wattage of 1000 watts, it offers decent power for efficient and quick cooking. The built-in installation feature ensures a seamless and polished look in your kitchen, freeing up countertop space.

The touch control panel on the top is intuitive and easy to use, providing quick access to different cooking functions. However, it lacks some advanced features like sensor cooking and a flatbed, which might be important for some users. At 74 pounds, it is relatively heavy, so consider this during installation. If you're looking for a built-in microwave with good capacity and a stylish design, the KoolMore KM-MD30-SS is worth considering.

The COSMO COS-MWD3012NHSS is a 30-inch built-in microwave drawer designed for residential kitchens, offering a 1.2 cubic feet capacity which is ample for most everyday cooking needs. With 1000 watts of power across 10 levels, it provides solid cooking performance, allowing you to adjust heat precisely. This wattage is typical for built-in microwaves, making it capable of handling most tasks like reheating, defrosting, and cooking small meals efficiently. The microwave includes convenient presets for common uses like melting, softening, popcorn, and beverages, which can simplify operation for users who prefer one-touch cooking. It also features a smart defrosting option with both weight and timed settings, plus a defrosting rack, which helps thaw food evenly without overcooking edges.

The stainless steel finish and built-in installation type give it a sleek, integrated look that fits well in modern kitchens. Controls are touch-based, making them responsive and easy to clean, though some users might prefer physical buttons for tactile feedback. Notably, this model uses a turntable design rather than a flatbed, which is standard but means there’s a rotating plate inside, potentially limiting the size of dishes you can use. Additional features include an eco mode for energy savings and a timer, adding convenience without complicating use.

At 74 pounds, it’s fairly heavy, meaning it will likely require professional installation. While it has a 1-year limited warranty, COSMO offers U.S.-based customer support, which is helpful for addressing any issues. This microwave drawer is well suited for homeowners seeking a stylish, functional built-in microwave with straightforward controls and useful presets, though those needing larger capacity or flatbed technology might look elsewhere.