The best portable dishwasher under $300 is the EUHOMY DW002-5A. It is Amazon’s #1 portable dishwasher, runs at a listed 40 dB, offers 8 programs and works from its built-in 5-liter tank or a faucet – no installation needed.
We compared seven top-rated portable dishwashers under $300 on Amazon and used only the specs each brand lists: size, capacity, programs, water supply, noise and warranty. Prices, ratings and review counts come from Amazon at the time of writing.
Under $300, portable dishwashers are compact tank models you can set on a counter, table or cart and move as needed. Wheeled 18-inch portable dishwashers cost more – see our under-$800 guide. Below are our top picks, a comparison table, detailed reviews, a buying guide and FAQs.
Top 3 Portable Dishwashers Under $300 at a Glance
EUHOMY DW002-5A
Compact Portable Dishwasher TDQR01A
Hermitlux 4-Place Glass DoorPortable Dishwashers Under $300 Compared
| Image | Product | Key Specs | Rating | Price |
|---|---|---|---|---|
| 1. EUHOMY DW002-5A Best Overall | #1 in Portable Dishwashers · 5L tank or G3/4 faucet hookup | 4.5/5 307 reviews | Check Price |
| 2. Compact Portable Dishwasher TDQR01A Most Compact | 16.2 x 15.5 x 17.8 in. · 4 place settings, fits 12-in. plates | 4.8/5 76 reviews | Check Price |
| 3. Hermitlux 4-Place Glass Door Best Glass Door | 4 place settings, 10.25-in. dishes · 5 programs incl. Fruit | 4.4/5 4,626 reviews | Check Price |
 | 4. HAVA R01 Best Value | 5L tank or faucet · 6 programs, 167°F Baby Care | 4.4/5 967 reviews | Check Price |
 | 5. COMFEE’ CDC17P0AWB Best Brand Value | 1.32-gal tank or faucet · 6 programs, 162°F Hygiene | 4.0/5 3,319 reviews | Check Price |
 | 6. Hamilton Beach RDW3216 Biggest Tank | 6L water tank or faucet · 5 programs incl. 162°F hygiene | 4.0/5 18 reviews | Check Price |
 | 7. AIRMSEN TDQR03 Best Warranty | 40+ items, up to 12-in. plates · 45 dB, 167°F | 4.6/5 1,641 reviews | Check Price |
1. EUHOMY DW002-5A – Best Overall
EUHOMY Countertop Dishwasher Portable, 8 Programs with 5L Tank, Black, 40dB
Amazon rating: 4.5/5 from 307 reviews
Pros
Cons
The EUHOMY DW002-5A is the best portable dishwasher under $300. It ranks #1 in Portable Dishwashers on Amazon, runs at a listed 40 dB and works either from its built-in 5-liter tank or from a faucet. It has 4.5 stars from 307 reviews and costs about $264.
For renters, dorms and RVs, portability means no plumbing and no permanent installation – and this model delivers that with more programs and less noise than most rivals.
Key features
Tank or faucet. Use the 5L tank, or connect the included hose to a G3/4-inch faucet (an adapter is needed if sizes differ). A water-level indicator shows when it’s ready.
8 programs. Normal, ECO, Quick (29 minutes), Baby Care/Strong (up to 167°F), Glass, Fruit, Self-Clean and Dry, with dual spray arms for 360° coverage.
Dry and self-clean. Hot-air drying gets dishes ready to use, and Self-Clean helps keep the interior fresh.
What it’s like to own
It measures 16.85 x 16.73 x 18.03 inches, holds 30+ items and fits plates up to 10.25 inches. EUHOMY recommends more than 19 inches of vertical clearance.
EUHOMY notes that plastics and deep containers may hold a few drops after drying, since ventilation is not continuous heating. It is backed by a 1-year warranty.
Best for: Renters, dorms and RVs that want quiet, no-hookup washing.
May not fit: Families who wash large pots and pans.
2. Compact Portable Dishwasher TDQR01A – Most Compact
Countertop Dishwasher with Delay Start, 5+1 Wash Programs
Amazon rating: 4.8/5 from 76 reviews
Pros
Cons
This TDQR01A portable dishwasher is the most compact pick, measuring just 16.2 x 15.5 x 17.8 inches, yet it fits 4 place settings including 12-inch plates at an angle. It costs about $270 with 4.8 stars from 76 reviews.
It is a strong fit for the tightest RV, dorm or galley kitchens.
Key features
5+1 programs. Normal, Speed (29 minutes), ECO and more, plus drying.
Flexible water supply. A 5L tank or faucet connection with the included hose and adapters.
Drying and ventilation. 60 minutes of PTC hot air drying and 72 hours of auto ventilation.
What it’s like to own
It uses 5L per load – 80% less than handwashing, per the listing – and is ETL certified.
A 1–6-hour delay start lets you run it at off-peak times. The filter removes easily for cleaning.
Best for: Tiny kitchens and RVs.
May not fit: Larger households.
3. Hermitlux 4-Place Glass Door – Best Glass Door
Hermitlux Countertop Portable Dishwasher, Built-in 5-Liter Water Tank
Amazon rating: 4.4/5 from 4,626 reviews
Pros
Cons
The Hermitlux 4-place portable dishwasher has a glass door so you can see the wash, and it shares Hermitlux’s 4.4-star rating from 4,626 reviews. It costs about $285.
Its small footprint suits apartments, dorms, boats and RVs.
Key features
5 programs. Standard, Fast, ECO, Strong and Fruit.
High temperature and PTC drying. Good for baby products and oily dishes.
Dual water supply. Tank or faucet.
What it’s like to own
It measures 16.85 x 16.73 x 18.03 inches; Hermitlux says to leave 19.88 inches between counter and cabinets.
It includes inlet and drain hoses and a 1-year warranty.
Best for: Apartment dwellers.
May not fit: Six-place households.
4. HAVA R01 – Best Value
Countertop Dishwasher, 6 Programs Portable Dishwasher with Water Tank
Amazon rating: 4.4/5 from 967 reviews
Pros
Cons
The HAVA R01 is a well-reviewed value portable at about $289, with 4.4 stars from 967 reviews.
It washes 30+ pieces of kitchenware per load.
Key features
6 programs. Normal, Speed, Soft, Heavy/Baby Care, Fruit and Dry.
14 water ports. Top and bottom spraying for 360° coverage.
Energy saving. 950 W and 5L of water per cycle.
What it’s like to own
It measures 16.9 x 16.8 x 18.1 inches.
HAVA provides a 1-year warranty.
Best for: Budget buyers.
May not fit: Quiet-first buyers.
5. COMFEE’ CDC17P0AWB – Best Brand Value
COMFEE’ Countertop Dishwasher Portable with 1.32Gal Water Tank, 6 Programs
Amazon rating: 4.0/5 from 3,319 reviews
Pros
Cons
The COMFEE’ CDC17P0AWB is a big-brand portable tank model for about $290, ranking #3 in Countertop Dishwashers with 4.0 stars from 3,319 reviews.
It washes 30+ items.
Key features
6 programs. Normal, Rapid, Hygiene, Fruit, Glass and Air Refresh.
Hygiene cycle. 162°F.
No installation. Fill the tank or use the included faucet adapter.
What it’s like to own
It measures 16.53 x 17.13 x 17.24 inches and weighs 36.6 pounds.
COMFEE says to leave at least 19.6 inches below upper cabinets.
Best for: Brand-conscious buyers.
May not fit: Large plates.
6. Hamilton Beach RDW3216 – Biggest Tank
Amazon rating: 4.0/5 from 18 reviews
Pros
Cons
The Hamilton Beach RDW3216 has the biggest water tank in this guide (6 liters) for about $268, with 4.0 stars from 18 reviews.
It offers a well-known brand at a budget price.
Key features
5 programs. Normal, Hygiene (162°F), Glass, Fruit and Rapid.
6L tank. Or connect to a faucet.
Slide-out rack. Easier loading.
What it’s like to own
A clear door window lets you watch the wash.
It weighs 20 pounds; check dimensions before buying.
Best for: Brand-loyal shoppers.
May not fit: Buyers who want lots of reviews.
7. AIRMSEN TDQR03 – Best Warranty
AIRMSEN Portable Countertop Dishwasher, No Hookup Needed
Amazon rating: 4.6/5 from 1,641 reviews
Pros
Cons
The AIRMSEN TDQR03 adds a 2-year warranty to a quiet 45 dB portable for about $300, with 4.6 stars from 1,641 reviews.
It washes 40+ items per load.
Key features
14 nozzles. 360° spiral spray up to 167°F.
5+2 programs. Plus extra drying and 72-hour ventilation.
Tank or faucet. 5L built-in tank.
What it’s like to own
It measures 16.86 x 16.75 x 18.05 inches.
It is ETL certified.
Best for: Warranty seekers.
May not fit: Six-place households.
How to Choose a Portable Dishwasher Under $300
Water tank vs. faucet
All picks here have a built-in tank (5–6L) so you can fill them by hand, and most can also connect to a faucet for continuous supply.
Footprint and clearance
Most measure about 17 x 17 x 18 inches; the TDQR01A is smaller at 16.2 x 15.5 x 17.8 inches. Brands recommend about 19–20 inches of clearance under upper cabinets.
Capacity and plate size
Expect 30–40 items and 4–5 place settings. Check plate size: up to 12 inches (AIRMSEN, TDQR01A) versus 9.5 inches (COMFEE).
Noise
EUHOMY lists 40 dB and AIRMSEN 45 dB; others list 50–62 dB.
Cleaning and drying
Look for 162–167°F cycles for baby items and hot air drying with ventilation to prevent odors.
Weight and portability
Weights range from about 20 pounds (Hamilton Beach) to 35 pounds. Lighter units are easier to store or move.
FAQ
What’s the best portable dishwasher under $300?
The EUHOMY DW002-5A, Amazon’s #1 portable dishwasher, with 8 programs and a 40 dB rating.
Do portable dishwashers need plumbing?
No. Tank models are filled by hand; most can also connect to a faucet.
What is the smallest portable dishwasher?
The TDQR01A at 16.2 x 15.5 x 17.8 inches.
How much water does a portable dishwasher use?
About 5–6 liters per cycle for tank models.
Can portable dishwashers clean baby bottles?
Many have high-temperature cycles (162–167°F) designed for baby items.
Countertop vs. portable dishwasher – what’s the difference?
Tank countertop models are portable. Larger portable dishwashers on wheels cost $550+.
Final Verdict
The EUHOMY DW002-5A is the best portable dishwasher under $300, with 8 programs, quiet 40 dB operation and flexible water supply.
For the tightest spaces, the TDQR01A is the most compact. The Hermitlux adds a glass door, and the HAVA R01 offers solid value.
Choose the COMFEE’ for a big brand, the Hamilton Beach for the largest tank and the AIRMSEN for a 2-year warranty.
Quick picks:
- Best overall: EUHOMY DW002-5A
- Most compact: TDQR01A
- Glass door: Hermitlux 4-Place
- Best value: HAVA R01
- Best warranty: AIRMSEN TDQR03
Related buying guides: Best Countertop Dishwashers Under $300 · Best Countertop Dishwashers Under $500 · Best Under Cabinet Range Hoods Under $300
