11 Best 18 Inch Dishwashers for Compact Kitchens

If you live in an apartment, condo, or any home with limited kitchen space, you already know the struggle. You need a dishwasher that cleans well but does not hog your counter or cabinet space. That is exactly where an 18 inch dishwasher saves the day.

These compact machines fit into tight spots that a standard 24 inch model simply cannot. They hold 8 to 10 place settings, use less water and energy, and still deliver solid cleaning power.

The best part? Many of them now come loaded with features you would expect from full-size units. We are talking stainless steel tubs, multiple wash cycles, heated drying, and even smart connectivity.

Key Takeaways

• 18 inch dishwashers fit 8 to 10 place settings and work best for one to three person households or compact kitchen layouts. They save about 6 inches of width compared to a standard 24 inch model.
• Noise levels vary from 44 dB to 53 dB depending on the brand. Bosch leads with the quietest models, while budget options from SPT and Avanti tend to run a bit louder.
• Energy Star certification is standard on most quality 18 inch dishwashers. This means lower utility bills and reduced water use per cycle compared to hand washing.
• Stainless steel tubs outperform plastic tubs in heat retention, odor resistance, and overall durability. Most mid-range and premium models include a stainless steel interior.
• Portable 18 inch dishwashers are great for renters because they connect to a faucet and roll away after use. BLACK+DECKER and GE both offer strong portable options.
• Price range spans from $400 to over $1,200 depending on the brand and features. Bosch and ZLINE sit at the premium end, while Honeywell and Midea offer solid value at a lower price point.

Honeywell 18 Inch Dishwasher (Stainless Finish)

Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API

The Honeywell 18 inch dishwasher in stainless finish is one of the best-selling compact dishwashers on Amazon. It holds 8 place settings and runs 6 different wash programs. The stainless steel tub improves drying performance and resists stains over time.

This model is both UL certified and Energy Star rated, which means it meets strict safety and efficiency standards. The front control panel is easy to use with clear buttons for each cycle. Installation is straightforward for any standard 18 inch cabinet opening.

One thing buyers love is the price-to-performance ratio. You get a stainless steel interior at a price that many plastic-tub competitors cannot match. The noise level sits around 52 dB, which is acceptable for most open-plan kitchens.

Pros:

• Stainless steel tub at a budget-friendly price
• Energy Star and UL certified
• 6 wash programs including heavy, normal, and eco
• Easy front-control panel

Cons:

• No third rack for utensils
• Noise level is moderate at 52 dB
• No smart connectivity or Wi-Fi features

Midea MDF18A1AST 18 Inch Built-In Dishwasher

Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API

The Midea MDF18A1AST is a strong mid-range contender. It holds 8 place settings and offers 6 washing programs including a 136°F high-temperature wash. This heated cycle helps sanitize dishes and remove stubborn grease.

The slim design fits perfectly in tight cabinet spaces. The stainless steel tub gives it durability and better heat retention during the drying phase. Midea includes a heated dry function that many competitors skip in this price range.

Consumer Reports has ranked Midea among the top brands for long-term dishwasher performance. This model also carries an Energy Star certification, so your monthly water and electricity costs stay low.

Pros:

• 136°F high-temp wash for better sanitizing
• Heated dry function included
• Stainless steel tub for durability
• Energy Star certified

Cons:

• Front control panel may feel basic compared to premium brands
• No third rack
• Limited brand recognition compared to Bosch or GE

Bosch 800 Series SPX68B55UC 18 Inch Dishwasher

Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API

The Bosch 800 Series is the gold standard for 18 inch dishwashers. It operates at just 44 dB, making it one of the quietest compact dishwashers available. You can run a cycle while having a conversation in the same room without raising your voice.

This model includes CrystalDry technology that converts moisture into heat. It dries even plastic containers thoroughly. The flexible RackMatic system lets you adjust the upper rack to three different heights and nine possible positions.

The third rack adds extra space for small items like cutlery, espresso cups, and cooking utensils. Home Connect Wi-Fi lets you start, stop, and monitor cycles from your phone. It fits 10 place settings, which is above average for an 18 inch unit.

Pros:

• Ultra-quiet 44 dB operation
• CrystalDry drying technology
• Third rack and flexible RackMatic system
• Wi-Fi connectivity with Home Connect app

Cons:

• Premium price point above $1,000
• Limited color options
• Replacement parts can be expensive

EdgeStar BIDW1802SS 18 Inch Built-In Dishwasher

Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API

The EdgeStar BIDW1802SS is a value-focused 18 inch built-in dishwasher that holds 8 place settings. It offers 6 wash cycles including Heavy, Normal, ECO, Glass, Rapid, and Rinse. The stainless steel tub keeps things clean and odor-free.

This unit uses a front control design with simple push-button controls. It is Energy Star certified and uses less water than hand washing an equivalent load. The compact build makes it a solid fit for small kitchens, rental units, and guest houses.

One thing to note is that some buyers have reported installation challenges, especially around water line connections. Reading the manual carefully before setup is a good idea. Overall, the EdgeStar delivers reliable everyday cleaning at a competitive price.

Pros:

• Affordable price point
• 6 wash cycles including ECO and Rapid
• Stainless steel tub
• Energy Star certified

Cons:

• Some installation difficulty reported by users
• No heated dry option
• Build quality may feel less premium than Bosch or GE

Sharp SDW4523MS 18 Inch Built-In Dishwasher

Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API

The Sharp SDW4523MS is a newer entry in the 18 inch dishwasher market. It runs at 47 dB, which places it among the quieter compact models. The stainless steel interior and fingerprint-resistant door keep the unit looking polished with minimal effort.

This model includes a third rack, which is a feature often reserved for premium brands. It holds 8 place settings and runs 6 wash cycles. The auto door open feature releases steam at the end of a cycle, helping dishes dry faster without extra energy.

Sharp built this dishwasher with Energy Star certification and an emphasis on quiet operation. If you want third-rack convenience without paying Bosch-level prices, this is a smart pick.

Pros:

• Quiet operation at 47 dB
• Third rack included
• Auto door open for better drying
• Fingerprint-resistant stainless steel door

Cons:

• Relatively new product with fewer long-term reviews
• Brand less established in the dishwasher category
• Customer service network may be smaller

BLACK+DECKER BPD8B 18 Inch Portable Dishwasher

Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API

If you rent your home or lack a built-in dishwasher slot, the BLACK+DECKER BPD8B is an excellent portable option. It connects to your kitchen faucet with an included adapter and rolls into place on built-in casters.

This unit holds 8 place settings and runs 6 wash programs. The LED display shows cycle status clearly. The stainless steel tub adds durability, and the Energy Star rating keeps operating costs low.

The portability factor is the biggest selling point here. When you are done washing, roll it back to a corner or closet. It is ideal for apartments, dorms, and temporary living spaces where permanent installation is not an option.

Pros:

• Portable design with rolling casters
• Connects to standard kitchen faucet
• 6 wash programs with LED display
• Energy Star certified

Cons:

• Faucet adapter may not fit all faucet types
• Takes up floor space when in use
• Slightly louder than built-in models

ZLINE Tallac 18 Inch Top Control Dishwasher

Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API

The ZLINE Tallac series brings a premium look and feel to the 18 inch category. It features a panel-ready design, meaning you can attach a custom cabinet panel to match your kitchen. The top control layout keeps buttons hidden for a seamless look.

Inside, you get a 304-grade stainless steel tub and a third rack for small items. It fits up to 10 place settings, which is generous for an 18 inch unit. The noise level sits at 51 dB, and there are 8 wash cycles to choose from.

ZLINE offers this model in over 20 color options, including copper, blue matte, and white matte. If you want a dishwasher that doubles as a design statement, this one delivers. It is Energy Star certified and ADA compliant.

Pros:

• Panel-ready for custom kitchen integration
• Third rack and 10 place setting capacity
• 8 wash cycles including a 50-minute Super Mode
• Available in 20+ color options

Cons:

• Higher price range
• 51 dB is not the quietest in its class
• Panel-ready installation may require professional help

Avanti DWT18V3S 18 Inch Built-In Dishwasher

Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API

The Avanti DWT18V3S is a straightforward, ADA-compliant 18 inch dishwasher. It holds 8 place settings and offers 6 automatic wash cycles including an eco mode. The top control design with an LED display makes cycle selection simple.

The stainless steel interior resists stains and helps with heat retention during drying. Avanti rates this unit at 53 dB, which is on the louder side. However, for the price, it packs in solid features that many budget buyers appreciate.

This model works well in offices, studios, guest suites, and small apartments. It fits standard 18 inch cutouts and includes adjustable leveling legs. The rinse aid dispenser ensures spot-free results on glassware.

Pros:

• ADA compliant
• 6 automatic cycles including eco mode
• Stainless steel interior
• Budget-friendly price

Cons:

• 53 dB noise level is louder than average
• No third rack
• Fewer wash options than premium competitors

SPT SD-9254SSA 18 Inch Built-In Dishwasher

Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API

The SPT SD-9254SSA is a reliable compact dishwasher from a brand that specializes in small appliances. It includes heated drying, 6 wash programs, and a stainless steel tub. The time delay function lets you schedule a wash cycle up to 24 hours in advance.

At 18 inches wide, it drops right into a standard compact dishwasher space. SPT includes two pull-out dish racks that make loading and unloading simple. The front control panel uses tactile buttons that are easy to operate.

This model is Energy Star certified and comes at a mid-range price. It is a good replacement for older compact dishwashers that have worn out. SPT also offers responsive customer support, which is a plus for a smaller brand.

Pros:

• Heated drying included
• 24-hour time delay function
• Stainless steel tub
• Energy Star certified

Cons:

• Brand is less well-known
• No third rack
• Design looks dated compared to newer models

FORNO Polo 18 Inch Built-In Dishwasher

Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API

The FORNO Polo brings Italian-inspired design to a compact 18 inch dishwasher. It holds 8 place settings and runs 6 wash programs. The adjustable upper rack fits items up to 11 inches tall, which adds loading flexibility for larger bowls or wine glasses.

The stainless steel tub, LED display, and heated drying system make this a feature-rich option. FORNO rates the noise level at 52 dB, and the unit carries Energy Star certification for efficiency.

FORNO is a newer brand in the dishwasher space, but they are building a solid reputation with quality construction and modern aesthetics. The three-section silverware basket also helps organize utensils better than a single basket design.

Pros:

• Adjustable upper rack for taller items
• Heated drying system
• LED display for easy cycle control
• Three-section silverware basket

Cons:

• Newer brand with limited long-term reliability data
• 52 dB noise level is average
• Customer service network still growing

Honeywell 18 Inch Dishwasher (Black Finish)

Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API

If you prefer a black appliance finish, Honeywell offers the same well-reviewed 18 inch dishwasher in a sleek black exterior. It shares the same 8 place settings, 6 wash programs, and stainless steel tub as the stainless finish version.

The Energy Star and UL certifications remain intact. This model works especially well in kitchens with dark cabinetry or black stainless steel appliance suites. It installs the same way and uses identical internal components.

Choosing between the stainless and black versions comes down to your kitchen color scheme. Performance and features are identical. This gives buyers the freedom to match their dishwasher to their existing appliances without sacrificing anything.

Pros:

• Attractive black finish for modern kitchens
• Same reliable internals as stainless version
• Energy Star and UL certified
• Budget-friendly pricing

Cons:

• Black finish shows fingerprints and water spots more easily
• No third rack
• No smart features or Wi-Fi connectivity

How to Choose the Right 18 Inch Dishwasher

Picking the right 18 inch dishwasher depends on a few key factors. Noise level matters most if your kitchen opens into a living area. Look for models rated at 47 dB or below for near-silent operation. Bosch and Sharp lead in this area.

Drying method is another important consideration. Heated drying uses a heating element to evaporate moisture. Condensation drying relies on the residual heat from the wash cycle. CrystalDry from Bosch converts humidity into heat for the best results on plastics.

Think about rack configuration too. A third rack is useful for silverware, lids, and small tools. Without one, you lose some organizational flexibility. Models from Bosch, Sharp, and ZLINE include a third rack.

Finally, consider whether you need a built-in or portable model. Built-in units save floor space and look cleaner. Portable models like the BLACK+DECKER work great for renters who cannot modify their kitchen layout.

Built-In vs. Portable 18 Inch Dishwashers

Built-in 18 inch dishwashers install directly under your countertop. They connect to your home’s plumbing and electrical system permanently. This gives them a clean, integrated appearance and frees up your floor space entirely.

Portable 18 inch dishwashers roll on casters and connect to your kitchen faucet with a quick-connect adapter. They are perfect for renters and people who move frequently. You can store them in a closet or corner when they are not in use.

Built-in models tend to run quieter because the surrounding cabinetry helps dampen noise. Portable models may vibrate slightly more on hard floors. However, portable units offer something built-ins cannot: total flexibility.

If you own your home and have a dedicated 18 inch cabinet opening, go built-in. If you rent or need the option to move your dishwasher, go portable. Both types clean dishes equally well.

Frequently Asked Questions

Is an 18 inch dishwasher big enough for a family?

An 18 inch dishwasher works best for one to three person households. It holds 8 to 10 place settings per load. A family of four can use one, but you may need to run it more often. For larger families, a 24 inch model is a better fit.

Are 18 inch dishwashers more expensive than 24 inch models?

Yes, 18 inch dishwashers often cost slightly more than comparable 24 inch models. Manufacturers produce fewer compact units, so production costs are higher per unit. Premium features like third racks and smart connectivity add to the price further.

How loud is an 18 inch dishwasher?

Noise levels range from 44 dB to 53 dB depending on the model. The Bosch 800 Series is the quietest at 44 dB. Budget models from Avanti and SPT sit closer to 52 or 53 dB. For reference, a normal conversation is about 60 dB.

Can I install an 18 inch dishwasher myself?

Most handy homeowners can install a built-in 18 inch dishwasher with basic plumbing knowledge. You need a hot water supply line, a drain connection, and a 120V electrical outlet. Portable models need no installation at all. If you are unsure, hiring a professional installer costs between $100 and $200.

Do 18 inch dishwashers use less water than 24 inch models?

Yes. An 18 inch dishwasher typically uses about 3 to 4 gallons per cycle, compared to 4 to 6 gallons for a standard 24 inch unit. Energy Star certified models in both sizes use even less. Over a year, the water savings add up, especially in drought-prone regions.

What brands make the best 18 inch dishwashers?

The top brands for 18 inch dishwashers include Bosch, Honeywell, Midea, ZLINE, Sharp, EdgeStar, BLACK+DECKER, SPT, Avanti, and FORNO. Bosch leads in premium quality and quiet operation. Honeywell and Midea offer the best value for the money.