8 Best 18 Inch Dishwashers 2026 in the United States

The Honeywell 18 Inch Dishwasher is a solid choice for anyone needing a compact yet capable built-in dishwasher, especially if space is limited. It offers a good capacity with 14 place settings, which is quite generous for an 18-inch model. The stainless steel tub enhances durability and tends to improve drying performance and energy efficiency. This model is Energy Star rated, meaning it uses less electricity and water, which can save money over time.

With six wash programs, it provides versatile cleaning options—from heavy pots and pans to delicate china and quick washes. The delay start feature allows you to run the dishwasher at off-peak hours. The noise level is 42 decibels, which is relatively quiet and unlikely to be disruptive in your kitchen.

Its size and built-in design make it suitable for under-counter installation, and it meets ADA standards, which adds to its accessibility. Controls are simple push buttons, making it easy to operate. Some points to consider include the plastic and nylon racks, which may feel less sturdy compared to metal racks in other models, and the 70-pound weight, which might require assistance during installation. Drying options are not specifically highlighted, so it may not offer advanced drying features.

This dishwasher fits well for everyday dishwashing needs in smaller kitchens, offering energy efficiency, quiet operation, and a decent number of wash cycles, although it may not include premium features such as enhanced drying or metal racks.

The Frigidaire 18-inch ADA Compact Dishwasher is a solid choice for those needing a smaller built-in dishwasher without sacrificing key features. It fits up to 8 place settings, making it suitable for small families, couples, or individuals with limited kitchen space. The dishwasher is Energy Star certified, which means it uses electricity efficiently and helps reduce utility bills. Its noise level is 52 dB, quiet enough to operate comfortably even if you're in the same room. The dual spray arm system cleans dishes thoroughly, and the NSF certified sanitize cycle adds extra cleanliness for health-conscious users.

You get six wash cycle options including Energy Saver and Heavy Wash, providing flexibility for different dishwashing needs. The stainless steel interior is durable and helps with better drying, which is supported by the heated drying system to reduce leftover moisture. The compact dimensions (18"D x 22.5"W x 35"H) make it easy to fit into tight spaces, and it meets ADA standards, so it's designed to be accessible for users with disabilities.

The 8-place setting capacity might be limiting for larger households or frequent heavy use. While the noise is relatively low, it isn’t the quietest on the market when compared with premium models. Controls are basic front buttons with no advanced digital display, which can be simpler but less customizable. This dishwasher achieves a balance of efficiency, space-saving design, and performance, making it a practical option for compact kitchens or anyone needing an ADA-compliant appliance.

The KoolMore KM-DW1852-PR is a well-designed 18-inch dishwasher suited for smaller kitchens or households needing a compact yet efficient appliance. It offers a respectable capacity with 8 place settings and 4.3 cubic feet of interior space, which is quite good for its size. The dishwasher is Energy Star certified, meaning it uses power efficiently to help save on electricity bills. Its noise level is rated at 52 decibels, which is moderately quiet but might still be noticeable in very quiet environments. The interior is stainless steel, which is durable and helps with better drying and resisting stains.

It features six wash cycles including Auto, Normal, Heavy, Delicate, and Rinse, giving enough flexibility for various dishwashing needs, though it’s not as extensive as some higher-end models. The dishwasher has practical elements like slide-out racks with pop-up holders for better loading options and a removable utensil basket for convenience. Another highlight is its panel-ready front, allowing the dishwasher to blend seamlessly into your kitchen cabinetry for a clean look. Installation is versatile as it can be freestanding or built-in, fitting standard countertop heights.

On the downside, while 52 dB is decent, quieter dishwashers around 44-48 dB are available if silent operation is a priority. Also, the control type is push-button rather than a more modern touch interface, which might feel a bit basic to some. This dishwasher is a strong choice for anyone needing a compact, energy-efficient, and customizable dishwasher, especially where space is limited and a clean kitchen aesthetic is desired.