3-in-1 Countertop Dishwasher, Portable Mini Dishwasher for Apartments

In this review of the 3-in-1 Countertop Dishwasher by Erhdexzhg, the bottom line is simple: this compact unit is for people who need a fully functional dishwasher without plumbing or permanent installation. It is best for apartment dwellers, RV owners, and small-household cooks who want reliable cleaning in a small footprint. The single biggest reason to buy is its installation-free design combined with strong cleaning features, which lets users plug in, add water via the built-in 7L tank or faucet inlet, and get a complete wash, dry and storage cabinet function from one compact machine.

Key Features

• Installation-free design: Requires no drilling or cabinet changes so it can be set up quickly by plugging in the drain and power and filling the tank or attaching the inlet hose.
• Powerful cleaning: The 900W motor and 360 dual spray with 6 upper and 11 lower holes thoroughly rinses dishes in three dimensions for faster grime removal.
• High-temperature wash: 161F wash temperature with PTC heating helps sanitize dishes and reduces lingering odors after cycles.
• 3-in-1 functionality: Acts as a dishwasher, a drying unit and a small cabinet, saving space and adding versatility for small kitchens and mobile use.
• Flexible water supply: Use the 7L built-in water tank or connect the inlet pipe to a faucet depending on availability and water needs.
• Compact and portable: At about 23.1 lbs and a footprint of roughly 17.3 x 16.9 x 20.4 in, it fits in cabinets or in an RV and is easy to move or store.

Who It's For

This model is ideal for people in small living spaces: apartment residents, dorm occupants, tiny house owners, and RV or boat users who need a dishwasher that does not require a permanent water hookup. It suits someone who values convenience and space-saving appliances and who wants sanitizing high-temperature washes without a full-size machine.

Those who should look elsewhere include households that wash large volumes of dishes daily or need full-size racks for pots and oversized pans; a compact internal capacity and countertop dimensions mean this unit is optimized for plates, bowls, cups and small cookware rather than heavy commercial loads.

Pros & Cons

Pros

• Installation-free setup makes it usable in many locations without plumbing changes.
• 360 dual spray with multiple nozzles and 161F heating delivers thorough cleaning and odor reduction.
• Three-in-one operation adds drying and cabinet functionality, reducing the need for extra appliances.
• Compact, lightweight design is easy to carry and store for travel or seasonal use.

Cons

• Capacity is limited compared with full-size dishwashers, so it is not ideal for large families or heavy daily loads.
• Built-in water tank requires manual filling unless continuously connected to a faucet via the inlet pipe.

Specifications

Brand	Erhdexzhg
Power	900W
Water tank capacity	7L (approx 6.35 qt)
Programs	5 cleaning modes
Spray design	6-hole upper spray, 11-hole lower spray (360 dual spray)
High temperature	161F with PTC heating
Dimensions	17.3 x 16.9 x 20.4 in; weight ~23.1 lbs

Our Verdict

The Erhdexzhg 3-in-1 Countertop Dishwasher is a practical choice for single households, renters and mobile lifestyles who need a no-hookup dishwasher that also dries and stores dishes. Its strong cleaning system, flexible water options and compact build make it good value for users who want appliance convenience without plumbing changes, though larger families should consider a full-size alternative.

Frequently Asked Questions

Can this dishwasher run without connecting to a faucet?
Yes. It includes a 7L built-in water tank so you can fill it manually and operate without a faucet hookup.

Does it dry dishes after washing?
Yes. The unit includes an air-dry function and a fan port to help discharge hot air and dry dishes more quickly.

Is it safe to observe the cycle while running?
Yes. The safety door has a visible window so you can monitor the wash while preventing hot water spray from escaping.