Best Countertop Dishwashers With Water Tanks for Small Kitchens (No Hookup Needed)

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If your kitchen is too small for a full-size dishwasher—or your lease makes plumbing changes a nonstarter—a countertop dishwasher with a built-in water tank is one of the few appliances that can genuinely save time without demanding permanent installation. Fill the tank from a pitcher, run the drain hose to the sink, and you are ready to wash.

For this guide, NookPrep compared current manufacturer specifications, tank capacity, countertop footprint, drying features, wash options, and marketplace availability. We did not physically test every model below, so this is a research-based buying guide rather than a hands-on lab test.

Price note: Amazon prices and availability can change throughout the day. Each pick includes a direct Amazon button so you can see the current price before buying.

Still deciding what deserves permanent counter space? See our guide to kitchen appliances actually worth the counter space in a small kitchen.

Quick picks

1. EUHOMY Countertop Dishwasher — Best overall for a quiet small kitchen

The EUHOMY B0CVX5GBY5 hits the sweet spot for renters who want a true no-hookup countertop dishwasher but still care about noise and drying. It uses a 5-liter built-in tank, dual spray arms, and a compact body designed for apartments and RVs. Its published specifications also emphasize a low 40 dB noise rating and extended ventilation after washing.

That combination makes it especially attractive for a studio apartment, where the dishwasher may sit only a few feet from your desk, sofa, or bed. You can fill the tank manually instead of tying up the faucet, and the multiple wash modes cover everyday plates, quick loads, heavier cleaning, fruit rinsing, and drying.

• Best for: studios, open-plan apartments, and noise-sensitive kitchens
• Tank: 5 L built in
• Standout: quiet-rated operation, dual spray coverage, long ventilation cycle
• Watch for: measure cabinet clearance above the unit before buying

Check the current EUHOMY price on Amazon →

2. COMFEE’ Portable Mini Dishwasher — Best for the tightest counters

If every inch matters, the COMFEE’ B09QCJ6TDZ deserves a close look. Its published dimensions are about 17.13 inches deep, 16.53 inches wide, and 17.24 inches high, and it includes a 5-liter water tank. That makes it easier to plan around in a narrow rental kitchen than many larger countertop machines.

The appeal here is straightforward: fill the tank, place the drain hose into the sink, and wash without installing a permanent water line. A high-temperature hygiene mode and dual-spray cleaning make it useful for everyday dishes when hand-washing has become the nightly bottleneck.

• Best for: very small counters, dorm-style kitchens, and rentals
• Tank: 5 L built in
• Footprint: roughly 17.13 × 16.53 × 17.24 in
• Watch for: compact capacity means large pans may still need hand washing

Check the current COMFEE’ price on Amazon →

3. NOVETE TDQR01 — Best for drying and flexible loading

The NOVETE TDQR01 is one of the more established water-tank designs in this category. It measures roughly 16.75 inches deep, 16.83 inches wide, and 18.05 inches high, uses a 5-liter tank, and supports both manual tank filling and a faucet inlet.

Its practical advantage is what happens after the wash. Published product specifications describe hot-air drying followed by periodic ventilation for up to 72 hours, which can be useful if you run a load at night and do not unload immediately. It also has five wash programs and can accommodate larger plates when loaded at an angle.

Price: use the Amazon button below for the current live price and availability.

• Best for: people who value drying and leave dishes in the machine
• Tank: 5 L built in
• Footprint: roughly 16.75 × 16.83 × 18.05 in
• Watch for: taller body; check clearance under upper cabinets

Check the current NOVETE price on Amazon →

4. HAVA R01 — Best simple no-plumbing pick

HAVA’s R01 is built around the exact problem most renters are trying to solve: getting a dishwasher without modifying plumbing. The manufacturer lists a 5-liter built-in tank, two water-supply options, hot-air drying with extended ventilation, five wash cycles, and a compact 16.9 × 16.9 × 18.1-inch footprint.

The layout is easy to understand and the 5-liter tank means you can use it even when a faucet adapter is inconvenient. HAVA lists the R01 at 60 dB and positions it for apartments, RVs, and other limited spaces.

Price: use the Amazon button below for the current live price and availability.

• Best for: renters who want a straightforward water-tank setup
• Tank: 5 L built in
• Footprint: 16.9 × 16.9 × 18.1 in
• Watch for: published 60 dB noise level is higher than the quietest models

Check the current HAVA R01 price on Amazon →

What “no hookup” actually means

A no-hookup dishwasher still needs two things: electricity and somewhere for dirty water to drain. The difference is that you do not need a permanent water-supply connection. You pour water into the built-in tank with a pitcher, then route the drain hose into a sink or suitable container.

That is why these machines work so well for renters. You are not drilling cabinetry, changing plumbing, or leaving a faucet permanently occupied during the wash cycle.

Before you buy: measure these three things

1. Counter depth

Most tank-style countertop dishwashers are around 17 inches deep. Remember that the power cord and drain hose also need room behind the machine.

2. Height under upper cabinets

A machine that is 18 inches tall still needs enough clearance to open the tank fill port comfortably. If your upper cabinets sit low, measure twice.

3. Your biggest dinner plate

Compact dishwashers are excellent for plates, bowls, cups, and cutlery, but oversized pans and tall plates can be the deal-breaker. Check the manufacturer’s maximum plate guidance before ordering. If you still hand-wash bulky cookware, pair the setup with one of our space-saving dish rack picks.

Which one would we choose?

For a quiet studio or open-plan apartment, EUHOMY has the strongest spec sheet here. For the smallest countertop footprint, COMFEE’ is the practical choice. If drying and longer ventilation matter most, NOVETE stands out. If you want a simple, well-documented no-plumbing setup, HAVA R01 is easy to understand.

The important part is not chasing the longest feature list. Pick the machine that actually fits your counter, your largest plates, and the way you plan to fill and drain it.

FAQ

Do countertop dishwashers with water tanks need plumbing?

No permanent water hookup is required when you use the built-in tank. You still need to route the drain hose to a sink or suitable drain container.

Are mini dishwashers good for apartments?

They can be a strong fit for one- or two-person households, renters, studios, dorm-style spaces, and RVs. Capacity is the tradeoff: pots and oversized cookware may still need hand washing.

Can I connect these models to a faucet?

Many tank-style models also support an inlet hose or faucet connection. Check the specific model and adapter compatibility before buying.

Why don’t you list a fixed Amazon price?

Amazon prices and availability change frequently. We link directly to the current Amazon listing so you see the live price at the time you shop.

Bottom line: if you are searching for a portable dishwasher for an apartment without hookups, a 5-liter tank model is the category to start with. Measure first, choose the drying/noise tradeoff you care about, and use the Amazon links above to check today’s price and availability.

For more setup guides, comparisons, and model reviews, visit our countertop dishwasher hub for small kitchens.