Compact dishwashers solve a problem that full-size units never could: getting genuine machine-washed dishes into apartments, RVs, dorms, and small kitchens where there is simply no room or no plumbing for a standard 24-inch unit. The category has matured fast, and todayโs countertop and slim built-in models clean nearly as well as their larger cousins while sipping water and fitting where a microwave might sit.
When you shop, the two decisions that matter most are footprint and water supply. Countertop models with a built-in tank can run anywhere there is an outlet, while slim 18-inch built-ins need a permanent water and drain connection but hold far more. After that, look at place-setting capacity, the number and type of wash programs, drying method, and how loud the unit runs in a room where you also live. Get those right and a compact dishwasher pays you back every single day.
EUHOMY Countertop Dishwasher Portable with 6 Programs, 5L Built-in Water Tank for Apartments & RV, 167โ High-Temp, No Hookup Needed, Mini Dishwasher with Baby Care, Air Dry/Quick/ECO/Fruit/Normal Mode
The EUHOMY Countertop Dishwasher pairs six wash programs with a 5L built-in water tank, so it runs anywhere there is an outlet without a faucet hookup. That blend of versatile cycles, hookup-free convenience, and a true counter footprint makes it the most broadly useful compact dishwasher we tested.
- ๐๐จ ๐๐ง๐ฌ๐ญ๐๐ฅ๐ฅ๐๐ญ๐ข๐จ๐ง, ๐๐๐ง๐ค ๐จ๐ซ ๐ ๐๐ฎ๐๐๐ญ, ๐๐๐๐๐ฒ ๐ ๐๐ฌ๐ญ: No permanent setup required. Use the built-in 5L (1.32 gal) tank for countertop dishwasher mode, or connect the included hose to your faucet for continuous water supply. Our countertop dishwasher's water-level indicator tells you when itโs ready. No tools, no drilling, no stress-ideal for apartments, rentals, dorms, RVs, and flexible kitchens
- ๐๐ ๐๐ ๐๐ฎ๐ข๐๐ญ, ๐๐๐๐ ๐๐จ๐ซ ๐๐๐๐ฅ ๐๐ข๐ฏ๐ข๐ง๐ : Built for apartments and open kitchens, this countertop dishwasher runs at a quiet 40 dB to maintain a peaceful space. Designed for daily comfort and convenience, it lets you wash dishes during work calls, late nights, or your nap time without disrupting your routine
- ๐๐๐ฌ๐ก, ๐๐ซ๐ฒ, ๐๐ญ๐๐ฒ ๐ ๐ซ๐๐ฌ๐ก, ๐๐ฉ ๐ญ๐จ ๐๐๐: After washing, enjoy 60 minutes of hot air drying, then up to 73 hours of automatic ventilation to help keep dishes dry and reduce odors. Drying works with most cycles and can also run independently when needed. *Forced drainage: long-press Dry + Power
- ๐๐จ๐ฆ๐ฉ๐๐๐ญ ๐๐ฎ๐ญ๐ฌ๐ข๐๐, ๐ ๐ข๐ญ๐ฌ ๐๐+ ๐๐ญ๐๐ฆ๐ฌ ๐๐ง๐ฌ๐ข๐๐: Sized at 16.83 ร 16.73 ร 18.03 in, this portable dishwasher fits most countertops while holding 30+ items per load. Fits plates up to 10.25 in, plus bowls, cups, glasses, and full cutlery sets-organized with a cutlery holder, fruit basket, and kettle. *Compatible with G3/4-inch faucet connections, please purchase a faucet adapter separately
COMFEE' Portable Mini Dishwasher Countertop with 1.32Gal Built-in Water Tank for Apartments& RVs, No Hookup Needed, 6 Programs, 360ยฐ Dual Spray, 162โ High-Temp& Air-Dry Function
The COMFEE' Portable Mini Dishwasher offers a 1.32-gallon built-in water tank and countertop sizing that fits small kitchens, RVs, and dorms. It delivers reliable tank-fed washing in a genuinely portable package that covers the essentials without overcomplicating things.
- Please make sure the distance between your countertop and wall cupboard is more than 19.6" No installation needed: Adding water manually with the water filling guide included in the 1.32Gal built-in water tank, you can put the dishwasher in any suitable place without connecting to tap water. Or it can be hooked to the kitchen faucet directly with the included water hose (Adapter included).Water pressure : 0.04 - 1.0MPa.
- Ultra-compact Design: The ultra-compact design allows the dishwasher to wash 30+ items๏ผMax to 9.5-inch plates) at a time while occupying a small area, which is ideal for small houses, apartments, dorms, boats, and campers/RVs.
- 6 Program Options: NORMAL, RAPID, HYGIENE, FRUIT, GLASS washing programs, and AIR REFRESH extra drying mode meet all your daily needs. Note: Use the standard dishwasher powders or detergents because regular liquid dish soap will cause dishwasher problems. (No detergent is needed for the FRUIT program, and RAPID just needs half of the standard quantity. )
- High-Temp Hygiene: The Hygiene cycle heats the water up to 162โ, making it great for really dirty dishes and even safe for cleaning your little one's dinnerware.
Honeywell 18 Inch Dishwasher with 8 Place settings, 6 Washing Programs, Stainless Steel Tub, UL/Energy Star- Black
The Honeywell 18-Inch Dishwasher steps up to eight place settings and six washing programs behind a stainless steel front. As a slim built-in, it brings near full-size capacity and a polished look to kitchens that have the plumbing for a permanent install.
- 14 PLACE SETTINGS: Racks are suitable to fit 14 place settings of dishes. There is a top cutlery rack and 2 other racks with a large removable cutlery basket.
- MULTIPLE FUNCTIONS: There are 6 washing programs to choose from- pots & pans, normal wash, china, quick wash, rinse only, and energy saver. Up to 24 hour delay start for you added convenience.
- DURABLE TUB: The tub is made of stainless steel for better efficiency performance.
- ENERGY STAR: Low energy consumption according to Energy Star standards.
Midea 18 Inch Built-in Dishwasher, Slim Space-Saving Design with 8 Place Settings, 6 Washing Programs & Stainless Steel Tub, Energy Star Certified Dishwasher with Heated Dry & High Temp Wash, Silver
The Midea 18-Inch Built-In Dishwasher uses a slim, space-saving design to fit eight place settings into a narrow cabinet bay. It is a strong built-in alternative for compact kitchens that want full capacity without the standard 24-inch width.
- Slimline Design with Large Capacity : The Midea built-in dishwasher boasts a slim body that takes up minimal space and is easy to fit. It features a digital control panel with an LED display and has been thoughtfully designed to accommodate larger plates, pots, and pans up to 11 inches in height.
- 8 Place Settings Dishwasher : With dimensions of 22.6D x 17.6W x 32.4H with adjustable legs, this under sink dishwasher provides a spacious and flexible interior for maximum dishware loading.
- 6 programs+3 functions : The 18-inch dishwasher offers six programs, including Heavy, Normal, ECO, Delicate, Quick, and Rinse washing programs. It also features Heated Dry, Hi-Temp, and Sanitize functions that meet all your daily needs. Note: ONLY use detergent specially for dishwasher because regular liquid dish soap will cause dishwasher problems.
- Heated Dry : Smart dishwasher ensures the best drying performance. The extra drying function offers a thorough drying performance (except for the Rapid and Self-clean cycle) with no additional towel drying required.
COMFEEโ Countertop Dishwasher, Energy Star Portable Dishwasher, 6 Place Settings & 8 Washing Programs, Speed, Baby-Care, ECO& Glass, Dish Washer for Dorm, RV& Apartment, Black
The COMFEE' Countertop Dishwasher is Energy Star rated, holds six place settings, and runs as a portable unit for small spaces. It keeps water and energy use low while still managing a respectable load, making it the smart pick for cost-conscious buyers.
- 6 Place Setting- A perfect size (H17.2โณรW21.7โณรD19.7โณ) for 2-3 people, COMFEEโ compact countertop dishwasher is suitable for dorms, RVs, and apartments. This counter top dishwasher can fit up to 70 pieces of tableware and plates up to 10 inches in diameter. Note: COMFEE dishwashers are rigorously factory tested before shipping. If your new dishwasher has some water inside, this is normal.
- Simple Installation- This COMFEEโ portable dishwasher can be connected to faucet directly (Suitable adaptor needed). Designed for maximum flexibility, this mini dishwasher can be conveniently placed on a countertop/table or seamlessly fitted into a cupboard to save precious kitchen space. Whether you need a plug-and-play solution for your apartment or a built-in look for your small kitchen, this compact dishwasher adapts perfectly to your layout needs, offering professional-grade cleaning with minimal setup effort.
- 8 Washing Cycles- Most of the cleaning cycles, including Heavy, Normal, Baby-Care, ECO, Glass, and Speed, helped with extra-drying function, and deliver sparklingly cleaned and dried dishes. Three more cleaning options, including Speed, Mini-party, and Rinse, are designed for COMFEE' compact dishwasher, providing high flexibility for you to choose in different situations.
- Powerful Wash Performance- This counter dishwasher portable features a Heavy Program with 12 washing nozzles and a 360ยฐ spiral spray for full-angle coverage. Combining high water pressure with temperatures up to 154ยฐF, it efficiently removes grease and stubborn stains from heavily soiled dishes. Compact yet powerful, it ensures every dish is cleaned thoroughly and evenly.
Key buying factors
Measure your counter depth, height to the upper cabinets, and total width before anything else. Countertop units need roughly the space of a large microwave, while slim built-ins claim an 18-inch cabinet bay. Leave clearance at the back for hoses or the fill funnel.
Built-in water tank models let you pour in water and run anywhere with an outlet, ideal for renters and RVs. Faucet-adapter or permanently plumbed units skip refilling but require access to a tap or supply line. Choose based on whether you can or want to connect to plumbing.
Countertop units typically handle two to six place settings, while 18-inch built-ins reach eight. Be honest about your household size and how often you run a cycle. Undersizing means hand-washing the overflow anyway.
Six-program models cover heavy, normal, eco, glass, speed, and fruit or self-clean cycles. More modes give flexibility for delicate glassware or baked-on pans. At minimum, confirm there is a heavy and an eco option.
Look for heated drying or an auto-open feature for spotless results, and check for an Energy Star rating to keep running costs and water use low. Air-only drying is quieter but leaves more moisture. Match this to how quickly you need dishes ready to put away.
Compact dishwashers often sit in or near the living space, so decibel rating matters more than in a closed kitchen. Quieter units make a real difference in studios and open-plan apartments. Read the spec and favor models that advertise low operating volume.
Types explained
Self-contained units that store water onboard so you can run them without any plumbing. You fill the reservoir, press start, and drain when finished.
Best for: Renters, RVs, dorms, and kitchens with no spare faucet connection.Sits on the counter but connects to your sink faucet with an adapter for continuous water. It avoids manual refilling while staying portable and renter-friendly.
Best for: Small kitchens that have an accessible faucet and want larger cycle capacity.A permanently installed dishwasher in a narrow cabinet bay with full eight-place-setting capacity. It looks and performs like a standard unit in a smaller width.
Best for: Galley kitchens and smaller homes that have plumbing and want maximum capacity.A freestanding compact dishwasher on casters that rolls to the sink for hookup and stores away after. It bridges countertop convenience with larger interior space.
Best for: Households that need more capacity but cannot commit to a built-in install.Care & usage tips
Level the unit on a stable surface and confirm the drain hose sits lower than the machine so water clears fully. Run one empty cycle with a cup of dishwasher cleaner or vinegar before first use to flush the system and check for leaks at every connection.
Scrape food but skip pre-rinsing, and angle bowls and cups downward so water reaches them. Use dishwasher-specific detergent and rinse aid only, since dish soap will foam over, and never overload the slim racks or spray coverage suffers.
Pull and rinse the filter weekly to prevent odor and poor drainage, and wipe the door gasket dry to stop mildew. For tank models, empty residual water between uses, and run a monthly cleaning cycle to clear mineral buildup, especially in hard-water areas.
The biggest real-world limiter on a compact dishwasher is not place-setting count but interior height, since most countertop units cannot accommodate tall dinner plates or large pots no matter what the capacity spec claims. Before buying, check the rated dish diameter and rack height against your actual plates, because a unit that fits six small place settings may reject the dishes you use most.
Run your compact dishwasher on the eco or normal cycle right before bed: the load finishes quietly overnight, and leaving the door cracked open lets residual heat air-dry dishes without an energy-hungry heated drying stage.
Frequently asked questions
Do compact dishwashers clean as well as full-size ones?+
Yes, for their capacity. The wash mechanics are the same, so a properly loaded compact unit gets dishes just as clean; the difference is how much it holds per cycle, not cleaning quality.
Do I need plumbing to use a countertop dishwasher?+
Not if you choose a built-in tank model. You simply pour water into the reservoir and plug it into a standard outlet, then drain it afterward, which makes these ideal for renters and RVs.
How many place settings does a compact dishwasher hold?+
Countertop models typically handle two to six place settings depending on size, while slim 18-inch built-ins reach about eight. Match the capacity to your household and how often you plan to run it.
What is the difference between a countertop and an 18-inch built-in?+
A countertop unit sits on your counter and is portable, often running off a tank or faucet adapter. An 18-inch built-in installs permanently into a cabinet with water and drain lines and offers more capacity.
Do compact dishwashers use a lot of water and energy?+
No, they generally use less than hand-washing and far less than a full-size unit per load. Energy Star rated models cut consumption further, and eco cycles keep both water and power use low.