Tired of handwashing dishes after every meal? Many people in small apartments or RVs face this problem. They want clean dishes without needing a big, built-in dishwasher. Countertop dishwashers are a great solution, but one feature causes confusion: the water tank. Should you get one that hooks up to the faucet, or one with its own water reservoir?
Choosing a countertop dishwasher with a built-in water tank solves a major headache. You skip the tricky plumbing setup! However, knowing which models work best and what to look for can feel overwhelming. You worry about tank size, cleaning the tank, and overall performance. You need clarity before spending your money.
This post cuts through the confusion. We will explore exactly what these dishwashers offer, the pros and cons of the water tank feature, and how to pick the perfect model for your space. Get ready to discover the easiest path to sparkling clean dishes, no matter how small your kitchen is.
Top Countertop Dishwasher With Water Tank Recommendations
No. 1
EUHOMY Countertop Dishwasher Portable with 6 Programs, 5L Built-in Water Tank for Apartments & RV, 167℉ High-Temp, No Hookup Needed, Mini Dishwasher with Baby Care, Air Dry/Quick/ECO/Fruit/Normal Mode
- 𝐂𝐨𝐦𝐩𝐚𝐜𝐭 𝐏𝐨𝐫𝐭𝐚𝐛𝐥𝐞 𝐃𝐢𝐬𝐡𝐰𝐚𝐬𝐡𝐞𝐫: Euhomy Portable Countertop Dishwasher: Compact yet powerful, measuring just 16.83 x 16.73 x 18.03 inches. Its spacious interior efficiently cleans over 30 items at once, including plates up to 10.25 inches. Holds: 4 Plates, 4 Small Plates, 4 Small Cups, 4 Bowls, 2 Glasses, and 7 sets of Forks, Knives, and Spoons. Includes added convenience with a dedicated cutlery holder, a fruit basket, and a kettle. The perfect space-saving solution for homes, apartments, dorms, boats, and RVs
- 𝐍𝐨 𝐈𝐧𝐬𝐭𝐚𝐥𝐥𝐚𝐭𝐢𝐨𝐧 𝐑𝐞𝐪𝐮𝐢𝐫𝐞𝐝: Our Euhomy countertop dishwasher offers two water supply options: tank mode and faucet mode. In Tank Mode, simply fill the built-in 5L (1.32-Gallon) reservoir—the automatic water level indicator tells you when it's perfectly filled and ready to clean. Use Faucet Mode by attaching the included inlet hose directly to your kitchen tap for a continuous supply of water. With dual modes, this compact dishwasher offers effortless operation and adapts to any kitchen setup—no permanent installation required
- 𝟔 𝐖𝐚𝐬𝐡𝐢𝐧𝐠 𝐏𝐫𝐨𝐠𝐫𝐚𝐦𝐬 𝐟𝐨𝐫 𝐅𝐚𝐦𝐢𝐥𝐲 𝐌𝐞𝐦𝐛𝐞𝐫𝐬: The Euhomy compact dishwasher boasts 6 programs for your family: Normal, Quick, ECO, Baby Care/Heavy Duty, and Fruit, Dry. The Quick offers a 29 minutes fast wash. While the Baby Care/ Strong mode of our mini dishwasher operates at a scorching 167°F, ensuring baby products and greasy dishes are thoroughly rinsed. The dishwasher also features a dual spray arm system that provides 360° cleaning, ensuring thorough washing of accessories—even pet bowls, collars, leashes, and more. Customized cleaning is easy with this versatile dishwasher
- 𝟑-𝐢𝐧-𝟏 𝐃𝐢𝐬𝐡𝐰𝐚𝐬𝐡𝐞𝐫 𝐰𝐢𝐭𝐡 𝐃𝐫𝐲 𝐅𝐮𝐧𝐜𝐭𝐢𝐨𝐧: Not just a sideboard and compact dishwasher, but also a dish dryer. The Euhomy dishwasher provides 60 minutes of hot air drying followed by 73 hours of automatic ventilation after each wash, keeping your dishes free from unpleasant odors. *The drying mode can be used with any wash cycle except Fruit mode, and it can also operate independently
- 𝐄𝐜𝐨-𝐅𝐫𝐢𝐞𝐧𝐝𝐥𝐲 𝐃𝐢𝐬𝐡𝐰𝐚𝐬𝐡𝐞𝐫: This compact dishwasher saves up to 80% water compared to handwashing. Its 5L (1.32-gallon) water tank can handle multiple cleaning operations. Certified by ETL and DOE for safety, quality, and energy-saving performance, it also comes with a 1-year warranty. We're always here to help with any questions!
No. 2
COMFEE' Portable Mini Dishwasher Countertop with 5L Built-in Water Tank for Apartments& RVs, No Hookup Needed, 6 Programs, 360° Dual Spray, 162℉ High-Temp& Air-Dry Function
- Please make sure the distance between your countertop and wall cupboard is more than 19.6" 【No installation needed】: Adding water manually in the 5L 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（Max 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, STEAM, 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. )
- [ 192 ℉ HIGH-TEMP HYGIENE ]: The HYGIENE wash cycle boosts water temperature to 162 ℉ Rinsing and Max to 192 ℉ which can tackle even the heaviest soiled dishes and is also suitable for cleaning baby bottles and children’s dinner sets.
- [ Extra Drying & Stay Fresh ]: Circulation of AIR REFRESH removes moisture and odor, keeping your plates and machine dry and fresh for a long time. The function is enabled by default and you can also inactivate the function if unnecessary.
No. 3
NOVETE Portable Countertop Dishwashers, Compact Dishwashers with 5L Built-in Water Tank & Inlet Hose, 5 Washing Programs, Baby Care, Air-Dry Function and LED Light for Small Apartments
- 【SMALL SIZE, LARGE CAPACITY】This portable dishwasher only measures 16.9 x 16.8 x 18.1 inches, but holds 4 full place settings and fits up to 12" dishes loaded at an angle, easily meeting daily needs for a family of 3-4; the double-layer design offers enough space for 4 x serving bowls, 4 x cups, 4 x small plates, 4 x dinner plates, 7 x spoons, 7 x forks and 7 x knives; perfect for small-sized houses, apartments, dorms, boats, and campers/RVs
- 【NO INSTALLATION NEEDED】This countertop dishwasher supports 2 water supply modes, including a faucet mode and water tank mode; a built-in 5 L water tank allows instant use when fully filled. The automatic water level indicator lets you know when the correct water level has been reached; to use the faucet mode, simply connect the water inlet hose to the machine and faucet
- 【BABY CARE MODE】This compact dishwasher offers 5 wash cycles - Normal, Speed, Soft, Baby Care/Heavy, and Fruit; the Baby Care/Heavy mode with 167 °F washing temperature is suitable for baby products and oily tableware, which rinses them thoroughly and gives glassware a sparkling clean finish
- 【3-IN-1 FUNCTION】Featuring a Dry mode, this machine is equipped with the features of a dishwasher, dryer, and cabinet, making taking care of your dishes and glassware a breeze; 60 minutes of hot air drying will automatically start after the wash cycle is finished, keeping your dishes dry and odorless; 72 hours of automatic ventilation stores your tableware in sanitary condition, providing clean dishes whenever you need them
- 【FULLY EQUIPPED】The storage rack and cutlery basket make it easy to clean ''top rack only'' dishwasher safe items such as knives, forks, and spoons, leaving more space for dishes and small pots; lower and upper spray arms give dishes a streak-free deep cleaning, and the included fruit basket stores fruits and vegetables neatly and cleans them
No. 4
Silonn Portable Countertop Dishwasher with App Control, Mini Dishwasher with 5L Water Tank for Apartments/RVs No Hookup Needed, Dish washer with 8 Wash Programs 4 Place Settings Auto Air Dry
- Compact Design with Large Capacity: Despite its compact size 16.9 x 17.7 x 18.1 inch, this countertop dishwasher holds up to 4-place settings, including 4x 10" dinner plates, 4x 8" small plates, 4 cups, 4 bowls, 7 forks, 7 spoons, and 1 flute glass. This mini dishwasher is perfect for small households or families of four, offering powerful functionality in a portable design
- Sparkling Dishes Every Time: Powered by patented triple spray Jet technology, this dish washer delivers a 360° deep clean. With an extra spray arm compared to standard dishwashers, it tackles stubborn grease, dried food, and hard-to-reach spots with ease. Enjoy more time for yourself and less time scrubbing dishes
- Smart APP Control & 6+2 Wash Programs: With the smart APP, this portable dishwasher countertop offers remote control to start, pause, or customize washing cycles. Choose from 6+2 versatile modes, including ECO, Intensive/Babycare, Normal, Rapid, Glass, Fruit Wash, and more. Whether it’s delicate glasses or heavily soiled dishes, this mini dishwasher has you covered
- No Hookup Design: This portable dishwasher features two water supply options: a built-in water tank for ultimate flexibility or direct faucet connection for continuous use. The front water inlet design makes refilling splash-free and mess-free, ensuring this dishwasher is ready to use in apartments, RVs, or even while camping
- High-Temperature Cleaning & Baby-Safe Drying: The 167°F high-temperature wash effectively cleans grease and residue, making it ideal for baby bottles and sensitive items. This portable dishwasher features a drying mode and 85-hour storage, keeping dishes fresh and ready to use in your countertop dishwasher
No. 5
Hermitlux Countertop Dishwasher, 7 Washing Programs Portable Mini Dishwasher with 5-Liter Built-in Water Tank for Apartments & RVs, LED Light, Glass Door, No Hookup Needed
- 【5 PLACE-SETTING CAPACITY】hermitlux Countertop Dishwasher measures just 16.85" W x 16.73" D x 18.23" H. Its roomy interior features a special dish rack and cutlery holder, accommodating over 30 pieces of kitchenware at once. It fits 5 full place settings and 10.25" dishes at an angle, making it perfect for small-sized houses, apartments, dorms, boats, campers and RVs. Make sure there's at least 20.08" between your countertop and those wall cabinets.
- 【7+3 WASHING PROGRAMS】 The 120V portable dishwasher comes with 7 washing programs—Standard, Quick, Strong, ECO, Fruit, Self-clean, and Glass—it ensures that all your dishes, from delicate glassware to baby bottles, are thoroughly cleaned. It also comes with 3 extra functions: Delay, Child Lock, and Dry, fully satisfying your everyday dishwasher needs.
- 【WATER-SAVING】This compact dishwasher saves up to 83% more water compared to handwashing, using just 5 liters per cycle.
- 【UP TO 18-HOUR DELAYED START】This tabletop dishwasher can be set to finish at your convenience with its 18-hour delay option on this updated model, letting you benefit from off-peak power rates and get the dishes washed while you're sleeping.
- 【360° All-AROUND CLEANING】The spray arms feature 14 water jets that spray from both the top and bottom, achieving a 360° cleaning coverage. This ensures a meticulous rinse, imparting a gleaming, pristine finish to your dishes.
No. 6
Farberware Portable Countertop Dishwasher with 5-Liter Built-in Water Tank - 5-Program System for Home, RV, and Apartment - Wash Dishes, Glass, and Baby Products
- COMPACT AND PORTABLE: This mini tabletop dishwasher is great for small kitchens, apartments, RVs, and boats. With its built-in 5-liter water tank, you don't even need a hookup. Can fit 12-inch diameter dishes. Rated Power: 750W, Water Pressure: 20-120PSI. Socket is 10A 120VAC
- VERSATILE CLEANING: The Farberware countertop dishwasher offers five different wash cycles, including baby care, glass, and fruit wash, ensuring that all your dishes, from delicate glassware to baby bottles, are thoroughly cleaned and sanitized.
- TIME-SAVING: With just 40 minutes, water, and electricity, you can have clean dishes and sparkling glassware anywhere and anytime. This small dishwasher is great for busy individuals who need an efficient solution for their dishwashing needs.
- EASY TO USE AND MAINTAIN: This dishwasher features a user-friendly LED display and simple controls, making it easy to select the perfect wash cycle for your needs. The water tank is easy to refill and clean, ensuring it stays in top condition.
- FARBERWARE: From reliable aluminum and stainless cookware to the latest in hybrid ceramic nonstick technology, Farberware continues to bring durability, design, innovation, and value that makes it America’s most trusted cookware brand.
No. 7
GE Profile Countertop Dishwasher, Energy Star, 6 place settings, 6 wash cycles, WiFi Connected, with Built-In Capabilities
- 3 Easy Install Options — Countertop, built-in, or under-sink installation gives you the flexibility to place this compact dishwasher anywhere you need it. The included unicouple makes faucet hookup quick and simple.
- Large Capacity in a Small Footprint — Fits 6 place settings, 11" dinner plates, and up to 24 bar glasses. Ideal for apartments, condos, RVs, basements, and wet bars.
- Smart Features with Built-In WiFi — Connect with the SmartHQ app to customize cycles, monitor status, receive alerts, and unlock additional features from anywhere.
- Quiet & Efficient Performance — Operates at just 52 dBA, delivers ENERGY STAR certified efficiency, reduces water use by over 75% when compared to handwashing, and features Auto Open Dry for ecofriendly drying.
No. 8
COMFEE' Portable Dishwasher Countertop with 5L Built-in Water Tank, No Hookup Needed, 6 Programs, 360° Dual Spray, 192℉ High-Temp& Air-Dry Function, Mini Dishwasher for RVs, White
- 6 Program Options: Choose from Normal, Rapid, Hygiene, Fruit, Glass, and Air Refresh modes. All options include 360° powerful spray arms , so you can easily find the perfect wash for whatever you're cleaning.
- High-Temp Hygiene: The Hygiene cycle heats the water up to 162℉, making it great for really dirty dishes and even safe for cleaning your little one's dinnerware.
- Extra Drying & Freshness: The Air Refresh mode circulates air to keep both your dishes and the machine dry and fresh. It helps remove moisture and odors, and if you don't need it, you can turn it off anytime.
- No Installation Needed: Easy to use – just fill the built-in 5L water tank! You can also hook it up directly to your kitchen faucet using the included adapter. Make sure there's at least a 19.6" gap between counter and the upper cabinet.
- Small But Mighty: It may be compact, but it can wash 30+ items (including plates up to 9.5 inches in diameter). Perfect for small kitchens, apartments, dorms, boats, or RVs where space is tight, but you still need the convenience of a dishwasher.
Your Guide to Choosing the Best Countertop Dishwasher With a Water Tank
A countertop dishwasher with a built-in water tank is a fantastic appliance. It saves space and water. It makes cleaning dishes much easier, especially in small kitchens or apartments. This guide helps you pick the right one for your needs.
Key Features to Look For
Good features make using your dishwasher simple and effective. Always check these things before you buy:
- Water Tank Size: Look at how many liters the tank holds. A bigger tank means you run fewer refills. Small tanks need refilling after every cycle or two.
- Washing Cycles: More cycles give you more options. You want a normal wash, a quick wash for lightly soiled items, and a heavy-duty cycle for baked-on food.
- Drying Method: Some models use heat to dry dishes. Others use air circulation. Heat drying works faster but uses more energy.
- Noise Level (dB): Dishwashers make noise. Check the decibel (dB) rating. Anything under 60 dB is usually quiet enough for most homes.
- Water Supply Options: Even though it has a tank, some models let you connect directly to a faucet if you prefer. This is a great bonus feature.
Important Materials and Build Quality
The materials inside the dishwasher affect how long it lasts and how clean your dishes get.
Interior Tub Material
Most good models use stainless steel for the interior tub. Stainless steel resists rust and high heat well. Plastic tubs are cheaper, but they might stain or degrade faster over time.
Racks and Baskets
Check the racks where you place your plates and cups. Quality racks use durable, coated metal. Cheap plastic coatings can chip easily. Chipped coatings expose the metal to water, which causes rust.
Factors That Improve or Reduce Quality
A few design choices significantly impact your daily experience.
Better Quality Indicators
- Automatic Detergent Dispenser: High-end models automatically add the right amount of soap. This prevents using too much or too little detergent.
- UV Sanitization: Some advanced units include a UV light to kill germs during the cycle. This provides extra peace of mind.
- Filter System: A good, easily removable filter catches all food particles. You need to clean this filter often.
Quality Reducers (Things to Avoid)
Be careful of units with very tiny water tanks. Also, avoid models that require special, expensive cleaning tablets instead of standard dishwasher pods.
User Experience and Use Cases
Think about where and how you will use the machine.
Perfect Scenarios for Tank Models
These dishwashers shine in specific situations:
- Small Apartments/Dorm Rooms: If you do not have a direct water hookup, the tank system is perfect. You just pour water in and run the wash.
- RVs and Campers: Because they are portable and don’t always need a constant water line, they work great on the road.
- Light Use: If you only cook for one or two people, running a small load daily is efficient with a tank model.
Loading can sometimes feel tight. Check the dimensions. Make sure it fits your largest dinner plates. Most countertop models handle about 4 to 6 standard place settings.
10 Frequently Asked Questions (FAQ) About Countertop Dishwashers With Water Tanks
Q: Do I need to connect these dishwashers to a faucet?
A: No, that is the main benefit! You fill the internal water tank manually. Some models offer the option to connect to a faucet for convenience, but it is not required.
Q: How often do I need to refill the water tank?
A: It depends on the tank size and the cycle you choose. A small cycle might use 2 liters, while a heavy cycle might use 4 liters. Check the product manual for exact usage.
Q: Are countertop dishwashers energy efficient?
A: Generally, yes. They use less water than handwashing a full sink. Since they are smaller, they heat less water per load compared to full-sized dishwashers.
Q: Can I put pots and pans in them?
A: Usually, no. These machines are designed for plates, cups, and silverware. Check the manufacturer’s capacity guide before trying to fit large cookware.
Q: How do I add the detergent?
A: Most units have a small compartment, just like a full-sized machine. You add powder or a small pod there before starting the cycle.
Q: How loud are these machines?
A: Noise levels vary. Look for models rated below 60 dB for quiet operation. They are usually a bit louder than full-sized built-in models.
Q: How long does a normal wash cycle take?
A: A standard cycle typically runs between 60 and 90 minutes, including washing and drying time.
Q: What is the difference between a tank model and a non-tank model?
A: A non-tank model *must* be hooked up to a faucet for water intake. A tank model stores the water you pour in, offering more placement flexibility.
Q: Do they clean well?
A: Yes, when used correctly. They use high-pressure spray jets. Make sure you scrape off large food chunks first for the best results.
Q: How do I clean the water tank?
A: You should drain any leftover water after use to prevent mold. Once a month, run a cleaning cycle using vinegar or a dishwasher cleaner to keep the tank fresh.