Best Countertop Dishwasher Under $400 (2026)
Eight countertop dishwashers under $400, compared on named capacity, program count, and certifications for buyers ready to spend a bit more than entry-level.
At a Glance
AIRMSEN Large Slim Countertop Dishwasher | Built-in Water Tank
↓ See why we picked itAIRMSEN Portable Countertop Dishwasher, No Hookup Needed
↓ See why we picked itCOMFEE' Countertop Dishwasher, Energy Star Portable Dishwasher, 6 Place Settings & 8 Washing Programs, Speed, Baby-Care, ECO & Glass, Dish Washer for Dorm, RV & Apartment, Black
↓ See why we picked itCOMFEE' Countertop Dishwasher Portable, 6 Place Settings, Energy Star
↓ See why we picked itNOVETE 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
↓ See why we picked itEUHOMY 6 Programs Countertop Dishwasher Portable, 40dB, 360° Coverage
↓ See why we picked itCOMFEE' Portable Mini Dishwasher Countertop with 1.32Gal Built-in Water Tank for Apartments & RVs, No Hookup Needed, 6 Programs, 360° Dual Spray, 162℉ High-Temp & Air-Dry Function
↓ See why we picked itEUHOMY Countertop Dishwasher Portable, 6 Programs with 40 dB, No Hookup
↓ See why we picked itStepping up from the sub-$300 tier gets you more named wash programs, Energy Star certification on a couple of models, and larger tank/place-setting capacity. This is the value-upgrade tier: worth the extra spend if the entry-level tank size felt limiting.
We compared eight models with live listing data, leading with the two largest-capacity units that only enter the picture once your budget clears $300.
3 Criteria to Look For Before Buying a Countertop Dishwasher Under $400 (2026)
Key buying criteria so you get the right fit the first time.
Certification vs. capacity tradeoff
At this tier you can get either Energy Star certification or a larger tank, a few models offer both, worth checking the specifics rather than assuming.
Named program count
8-program units start appearing at this price; more programs means more control over cycle length and intensity.
Physical footprint
'Large Slim' or similarly worded listings claim bigger interior capacity without a wider counter footprint, worth confirming dimensions before buying.
Best Countertop Dishwasher Under $400 (2026)
AIRMSEN Large Slim Countertop Dishwasher | Built-in Water Tank
About this pick
AIRMSEN Large Slim Countertop Dishwasher lands here on the strength of its named spec sheet, not marketing copy. Built-in water tank; "Large Slim" body, bigger interior capacity in a narrower footprint; Countertop portable design.
Largest-capacity build in the AIRMSEN countertop lineup while keeping a slim body Built-in tank means no plumbing needed.
Highest-priced countertop unit in this cluster
Best for: households that outgrew a mini-tank unit and want the largest capacity here
Check price on AmazonPros
- +Largest-capacity build in the AIRMSEN countertop lineup while keeping a slim body
- +Built-in tank means no plumbing needed
- +Good pick for a household that's outgrown the mini-tank units
- +Also worth noting: built-in water tank
Cons
- −Highest-priced countertop unit in this cluster
- −Slim-but-large body still needs a clear counter run to fit
AIRMSEN Portable Countertop Dishwasher, No Hookup Needed
About this pick
Look past the generic photos and AIRMSEN Portable Countertop Dishwasher has a few genuinely distinguishing details. No-hookup, built-in tank design; Countertop portable form factor.
No-hookup setup keeps installation simple for renters Sits in the mid-tier of this cluster on price without a hookup requirement.
Listing is lighter on named wash-program details than COMFEE or EUHOMY competitors
Best for: buyers who want no-hookup setup at a slightly bigger capacity
Check price on AmazonPros
- +No-hookup setup keeps installation simple for renters
- +Sits in the mid-tier of this cluster on price without a hookup requirement
- +AIRMSEN's compact model for smaller kitchens
- +Also worth noting: no-hookup, built-in tank design
Cons
- −Listing is lighter on named wash-program details than COMFEE or EUHOMY competitors
- −Still a mini-tank unit, not a full-size portable
COMFEE' Countertop Dishwasher, Energy Star Portable Dishwasher, 6 Place Settings & 8 Washing Programs, Speed, Baby-Care, ECO & Glass, Dish Washer for Dorm, RV & Apartment, Black
About this pick
COMFEE' Countertop Dishwasher is worth a longer look once you get past the listing title. Energy Star certified; 6 place settings; 8 washing programs including Speed, Baby-Care, ECO, and Glass.
Energy Star certification is a genuine efficiency credential most rivals here lack 8 programs is the most program variety in this price band.
More programs to learn than simpler 5-6 cycle competitors
Best for: buyers who want a genuine efficiency certification plus the most programs
Check price on AmazonPros
- +Energy Star certification is a genuine efficiency credential most rivals here lack
- +8 programs is the most program variety in this price band
- +6 place-setting capacity stretches further than the mini tank-only units
- +8 washing programs including Speed, Baby-Care, ECO, and Glass rounds out the spec sheet
Cons
- −More programs to learn than simpler 5-6 cycle competitors
- −Still a countertop unit, not a substitute for a built-in dishwasher on big loads
COMFEE' Countertop Dishwasher Portable, 6 Place Settings, Energy Star
About this pick
What stands out about COMFEE' Countertop Dishwasher Portable is what the listing actually names, not what it implies. Energy Star certified; 6 place settings; Countertop portable design.
Energy Star rating backed by a 6 place-setting capacity COMFEE's larger-capacity countertop line for households needing more than a mini unit.
Priced above several 6-program countertop rivals with similar capacity
Best for: buyers who want Energy Star certification with straightforward controls
Check price on AmazonPros
- +Energy Star rating backed by a 6 place-setting capacity
- +COMFEE's larger-capacity countertop line for households needing more than a mini unit
- +Straightforward spec sheet with no gimmick cycles to learn
- +Countertop portable design, per the listing
Cons
- −Priced above several 6-program countertop rivals with similar capacity
- −Listing has fewer named wash programs than COMFEE's 8-program sibling model
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
About this pick
NOVETE Portable Countertop Dishwashers earns its spot here on specifics rather than star count. 5L built-in tank plus optional inlet hose hookup; 5 washing programs including a dedicated Baby Care cycle; Air-dry function.
Dual water-source flexibility, fill the tank or connect the inlet hose Baby Care program is a genuine standout for parents sterilizing bottles.
5 programs is slightly fewer than the 6-8 program units nearby in price
Best for: parents who want the dedicated baby-care cycle
Check price on AmazonPros
- +Dual water-source flexibility, fill the tank or connect the inlet hose
- +Baby Care program is a genuine standout for parents sterilizing bottles
- +LED light makes cycle status easy to check at a glance
- +On top of that, 5L built-in tank plus optional inlet hose hookup
Cons
- −5 programs is slightly fewer than the 6-8 program units nearby in price
- −Inlet hose hookup adds a setup step if you want to use it
EUHOMY 6 Programs Countertop Dishwasher Portable, 40dB, 360° Coverage
About this pick
EUHOMY 6 Programs Countertop Dishwasher Portable lands here on the strength of its named spec sheet, not marketing copy. 6 wash programs; Rated at 40dB for quieter operation; 360° spray coverage.
Listed 40dB noise rating is quieter than most countertop units on paper 6 programs cover everything from light rinses to heavier loads.
Countertop dishwashers this size still can't handle full family-size loads
Best for: noise-sensitive shared spaces
Check price on AmazonPros
- +Listed 40dB noise rating is quieter than most countertop units on paper
- +6 programs cover everything from light rinses to heavier loads
- +No-hookup setup for renters
- +360° spray coverage, according to the current listing
Cons
- −Countertop dishwashers this size still can't handle full family-size loads
- −Basket capacity is limited compared to built-in dishwashers
COMFEE' Portable Mini Dishwasher Countertop with 1.32Gal Built-in Water Tank for Apartments & RVs, No Hookup Needed, 6 Programs, 360° Dual Spray, 162℉ High-Temp & Air-Dry Function
About this pick
Look past the generic photos and COMFEE' Portable Mini Dishwasher Countertop with 1.32Gal Built-in Water Tank for Apartments & RVs has a few genuinely distinguishing details. 1.32-gallon built-in water tank, no plumbing hookup needed; 6 wash programs; 360° dual spray arms.
No installation or hookup required, plug in and fill the tank Compact enough for apartments, dorms, and RVs.
Small built-in tank means more frequent refills on bigger loads
Best for: buyers who want the entry-tier pick with room left in a $400 budget
Check price on AmazonPros
- +No installation or hookup required, plug in and fill the tank
- +Compact enough for apartments, dorms, and RVs
- +High-temp cycle is listed for better sanitizing on greasy pans
- +1.32-gallon built-in water tank, no plumbing hookup needed adds to the value here
Cons
- −Small built-in tank means more frequent refills on bigger loads
- −Countertop footprint still takes up real counter space
EUHOMY Countertop Dishwasher Portable, 6 Programs with 40 dB, No Hookup
About this pick
EUHOMY Countertop Dishwasher Portable is worth a longer look once you get past the listing title. 6 wash programs; 40dB listed noise level; No-hookup countertop design.
Among the lower-priced options in this class with the same 6-program, 40dB spec sheet Simple no-hookup setup.
Same compact-tank limitations as other countertop units, expect to refill on wash day
Best for: buyers who want to spend well under the $400 ceiling
Check price on AmazonPros
- +Among the lower-priced options in this class with the same 6-program, 40dB spec sheet
- +Simple no-hookup setup
- +Good fit for a single person or couple's dish load
- +It's also worth pointing out: 6 wash programs
Cons
- −Same compact-tank limitations as other countertop units, expect to refill on wash day
- −Fewer standout extras than pricier siblings in the EUHOMY/AIRMSEN lineup
How We Evaluated These Countertop Dishwasher Under $400 (2026)
Each pick was assessed across 2 criteria weighted for real-world use.
Live Amazon listing data
Pricing, titles, and images were pulled fresh via Amazon's Creators API for every ASIN in this comparison.
Tier-specific ranking
This $400 tier leads with different picks than our $300 and $500 guides, since the editorial thesis here is value-upgrade, not cheapest or largest.
How to Choose the Right Countertop Dishwasher Under $400 (2026)
Decide what the extra $100 buys you
More capacity
Larger built-in tanks or place-setting counts reduce how often you refill or run cycles.
Certification
Energy Star models cost a bit more but confirm efficiency rather than just claiming it.
Frequently Asked Questions
What's the difference between a $300 and $400 countertop dishwasher?
At $400 you start seeing Energy Star certification, more named wash programs (up to 8), and larger tank or place-setting capacity than the entry $300 tier.
Is Energy Star certification worth paying more for?
If a model lists it, it's a genuine third-party efficiency credential, not just marketing language, worth the modest premium if energy costs matter to you.
How do I clean a countertop dishwasher's water tank and inlet?
Empty and rinse the built-in tank after each use to prevent standing water buildup, and periodically run a cleaning cycle with dishwasher cleaner to clear mineral scale from the heating element.
How many place settings can a $400 model realistically hold?
Most models in this tier list 6 place settings, enough for a small household's daily load, though pots and larger pans still eat into that capacity fast.
Do I need special detergent for a countertop dishwasher?
Yes, use dishwasher pods or powder made for the appliance, regular dish soap oversudses and can cause leaks or pump issues in a compact countertop unit.
Bottom Line
best overall: AIRMSEN Large Slim Countertop Dishwasher | Built-in Water Tank - best value upgrade pick pick in this roundup.
See the full rankings above for all picks with pros, cons, and best-for summaries.
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