8 Best 18 Inch Dishwashers 2025 in the United States

The Honeywell 18 Inch Dishwasher is a compact and efficient option for those with limited kitchen space, offering a suitable capacity of 8 place settings. This makes it a great choice for smaller households or apartments. One of its notable strengths is the stainless steel tub, which enhances its durability and performance. The Energy Star rating indicates it operates efficiently, helping to keep energy costs down.

With 6 wash cycles including options for heavy, eco, and rapid cleaning, this dishwasher provides versatility to meet various cleaning needs, making it user-friendly for different types of loads. The 42 dB noise level is relatively quiet, allowing it to run without causing much disturbance in the home.

There are some drawbacks to consider. While the 8 place settings are adequate for small families, larger households might find it limiting. The built-in style means it needs to be installed under the counter, which may not suit every kitchen layout. Additionally, while the controls are straightforward, some users may prefer more advanced features or smart technology, which this model lacks. The 24-hour delay timer adds convenience for scheduling washes, though it may not be essential for everyone. This dishwasher is a solid choice for individuals or small families looking for an energy-efficient, space-saving unit that can handle everyday dishwashing tasks without much fuss.

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.

The SPT SD-9254SSA is an 18-inch wide built-in dishwasher, making it a good fit for smaller kitchens or spaces where a full-size model may not be practical. It offers a capacity of 8 place settings, which is suitable for small households or couples. This dishwasher is ENERGY STAR certified, meaning it meets or exceeds federal guidelines for energy efficiency, potentially saving you money on your energy bill.

Additionally, it has a stainless steel tub, which is durable and resistant to staining, ensuring longevity and cleanliness. The noise level is 52 dB, which is relatively quiet but may still be noticeable in a very silent environment. It includes 6 wash cycles, providing versatile cleaning options to handle various types of dish loads.

The heated drying function enhances drying performance, although some users might find it less effective compared to more advanced drying technologies. The time delay feature allows you to schedule washes up to 24 hours in advance, adding flexibility to your routine. Some handy indicators, like the error alarm and rinse aid warning, help in maintaining the machine's optimal performance. At 54 pounds, it is relatively lightweight, which might affect its stability. Installation should be straightforward with the provided components.