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.
5 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.
Getting this wrong is one of the more common reasons a countertop dishwasher purchase disappoints once it actually arrives, since certification vs. capacity tradeoff affects real day-to-day use in a way marketing photos and bullet points don't always make obvious.
Before buying, check the specific listing's stated details on certification vs. capacity tradeoff rather than assuming every countertop dishwasher in this comparison handles it the same way, since this is exactly the kind of detail that varies more than buyers expect within the same price range.
Named program count
8-program units start appearing at this price; more programs means more control over cycle length and intensity.
This is the kind of detail that looks minor in a spec list but shapes how satisfied you actually are with a countertop dishwasher weeks after buying, since named program count plays out differently in daily use than it does on paper.
Read the product listing and recent reviews specifically for mentions of named program count, since this detail is often understated in the bullet points but shows up clearly once real buyers have used the countertop dishwasher for a while.
Physical footprint
'Large Slim' or similarly worded listings claim bigger interior capacity without a wider counter footprint, worth confirming dimensions before buying.
Buyers who skip past physical footprint tend to be the ones leaving disappointed reviews later, not because the countertop dishwasher was defective, but because this specific detail didn't match what they actually needed.
Compare how each countertop dishwasher in this roundup actually handles physical footprint rather than assuming they're interchangeable on this point, since the listings here differ on it more than the headline specs suggest.
Warranty and Return Policy
Check the specific listing's warranty length and return window before buying, since coverage varies meaningfully even within this countertop dishwasher under $ category.
Warranty and return policy is easy to overlook next to flashier specs, but it's frequently the difference between a countertop dishwasher that fits your routine and one that quietly becomes a hassle.
Confirm the exact detail on warranty and return policy directly from the current listing before ordering, since this is one of the more common places where two similarly priced countertop dishwasher options genuinely diverge.
Customer Review Patterns
Look past the star rating to recent written reviews, since they often reveal real-world durability or setup issues a rating alone won't show.
Getting this wrong is one of the more common reasons a countertop dishwasher purchase disappoints once it actually arrives, since customer review patterns affects real day-to-day use in a way marketing photos and bullet points don't always make obvious.
Before buying, check the specific listing's stated details on customer review patterns rather than assuming every countertop dishwasher in this comparison handles it the same way, since this is exactly the kind of detail that varies more than buyers expect within the same price range.
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. Its size (Built-in water tank) and capacity ( body, bigger interior capacity in a narrower footprint) are worth checking against a competing listing before deciding either way.
Largest-capacity build in the AIRMSEN countertop lineup while keeping a slim body Built-in tank means no plumbing needed. That's part of why it earns the "Best Value Upgrade Pick" distinction in this specific lineup, a label worth weighing against your own priorities rather than taking at face value.
Highest-priced countertop unit in this cluster For buyers whose situation matches households that outgrew a mini-tank unit and want the largest capacity here, it remains one of the more sensible picks in the current lineup. How this stacks up directly against AIRMSEN Portable Countertop Dishwasher, No Hookup Needed comes down to which specific tradeoff matters more for your actual use case, not a simple better-or-worse call.
Best for: households that outgrew a mini-tank unit and want the largest capacity here
Check price on AmazonSpecs
- Size: Built-in water tank
- Capacity: "Large Slim" body, bigger interior capacity in a narrower footprint
- Design: Countertop portable design
Pros
- +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. Its size (No-hookup, built-in tank design) are worth checking against a competing listing before deciding either way.
No-hookup setup keeps installation simple for renters Sits in the mid-tier of this cluster on price without a hookup requirement. That's part of why it earns the "Best No-Hookup Simplicity" distinction in this specific lineup, a label worth weighing against your own priorities rather than taking at face value.
Listing is lighter on named wash-program details than COMFEE or EUHOMY competitors For buyers whose situation matches buyers who want no-hookup setup at a slightly bigger capacity, it remains one of the more sensible picks in the current lineup. How this stacks up directly against AIRMSEN Large Slim Countertop Dishwasher | Built-in Water Tank comes down to which specific tradeoff matters more for your actual use case, not a simple better-or-worse call.
Best for: buyers who want no-hookup setup at a slightly bigger capacity
Check price on AmazonSpecs
- Size: No-hookup, built-in tank design
- Feature 2: Countertop portable form factor
Pros
- +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. Its reviews (Energy Star certified) and speed (8 washing programs including Speed, Baby-Care, ECO, and Glass) are worth checking against a competing listing before deciding either way.
Energy Star certification is a genuine efficiency credential most rivals here lack 8 programs is the most program variety in this price band. That's part of why it earns the "Best Energy Star Pick" distinction in this specific lineup, a label worth weighing against your own priorities rather than taking at face value.
More programs to learn than simpler 5-6 cycle competitors For buyers whose situation matches buyers who want a genuine efficiency certification plus the most programs, it remains one of the more sensible picks in the current lineup.
Best for: buyers who want a genuine efficiency certification plus the most programs
Check price on AmazonSpecs
- Reviews: Energy Star certified
- Feature 2: 6 place settings
- Speed: 8 washing programs including Speed, Baby-Care, ECO, and Glass
- Color/Finish: Black finish
Pros
- +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. Its reviews (Energy Star certified) and design (Countertop portable design) are worth checking against a competing listing before deciding either way.
Energy Star rating backed by a 6 place-setting capacity COMFEE's larger-capacity countertop line for households needing more than a mini unit. That's part of why it earns the "Best Certified Capacity" distinction in this specific lineup, a label worth weighing against your own priorities rather than taking at face value.
Priced above several 6-program countertop rivals with similar capacity For buyers whose situation matches buyers who want Energy Star certification with straightforward controls, it remains one of the more sensible picks in the current lineup.
Best for: buyers who want Energy Star certification with straightforward controls
Check price on AmazonSpecs
- Reviews: Energy Star certified
- Feature 2: 6 place settings
- Design: Countertop portable design
Pros
- +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. Its size (5L built-in tank plus optional inlet hose hookup) and lighting (LED indicator light) are worth checking against a competing listing before deciding either way.
Dual water-source flexibility, fill the tank or connect the inlet hose Baby Care program is a genuine standout for parents sterilizing bottles. That's part of why it earns the "Best for Baby Bottles" distinction in this specific lineup, a label worth weighing against your own priorities rather than taking at face value.
5 programs is slightly fewer than the 6-8 program units nearby in price For buyers whose situation matches parents who want the dedicated baby-care cycle, it remains one of the more sensible picks in the current lineup.
Best for: parents who want the dedicated baby-care cycle
Check price on AmazonSpecs
- Size: 5L built-in tank plus optional inlet hose hookup
- Feature 2: 5 washing programs including a dedicated Baby Care cycle
- Feature 3: Air-dry function
- Lighting: LED indicator light
Pros
- +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. Its durability (Rated at 40dB for quieter operation) and nozzles (360° spray coverage) are worth checking against a competing listing before deciding either way.
Listed 40dB noise rating is quieter than most countertop units on paper 6 programs cover everything from light rinses to heavier loads. That's part of why it earns the "Best Quiet Pick" distinction in this specific lineup, a label worth weighing against your own priorities rather than taking at face value.
Countertop dishwashers this size still can't handle full family-size loads For buyers whose situation matches noise-sensitive shared spaces, it remains one of the more sensible picks in the current lineup.
Best for: noise-sensitive shared spaces
Check price on AmazonSpecs
- Feature 1: 6 wash programs
- Durability: Rated at 40dB for quieter operation
- Nozzles: 360° spray coverage
- Design: Countertop, no-hookup design
Pros
- +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. Its size (1.32-gallon built-in water tank, no plumbing hookup needed) and nozzles (360° dual spray arms) are worth checking against a competing listing before deciding either way.
No installation or hookup required, plug in and fill the tank Compact enough for apartments, dorms, and RVs. That's part of why it earns the "Best Budget Carryover" distinction in this specific lineup, a label worth weighing against your own priorities rather than taking at face value.
Small built-in tank means more frequent refills on bigger loads For buyers whose situation matches buyers who want the entry-tier pick with room left in a $400 budget, it remains one of the more sensible picks in the current lineup.
Best for: buyers who want the entry-tier pick with room left in a $400 budget
Check price on AmazonSpecs
- Size: 1.32-gallon built-in water tank, no plumbing hookup needed
- Feature 2: 6 wash programs
- Nozzles: 360° dual spray arms
- Feature 4: 162°F high-temp wash cycle with air-dry
Pros
- +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. Its design (No-hookup countertop design) are worth checking against a competing listing before deciding either way.
Among the lower-priced options in this class with the same 6-program, 40dB spec sheet Simple no-hookup setup. That's part of why it earns the "Best Lowest Price Here" distinction in this specific lineup, a label worth weighing against your own priorities rather than taking at face value.
Same compact-tank limitations as other countertop units, expect to refill on wash day For buyers whose situation matches buyers who want to spend well under that ceiling, it remains one of the more sensible picks in the current lineup.
Best for: buyers who want to spend well under the $400 ceiling
Check price on AmazonSpecs
- Feature 1: 6 wash programs
- Feature 2: 40dB listed noise level
- Design: No-hookup countertop design
Pros
- +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 4 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.
Price and Value Verification
We check each listing's current price against its feature set to confirm genuine value rather than inflated pricing dressed up with extra marketing language.
Review Pattern Analysis
We look at recent customer reviews for recurring complaints or praise that a simple star rating alone wouldn't reveal about long-term reliability.
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.
For a First-Time Buyer
Look for
Clear, specific dimensions or capacity and a real, established review history, not just marketing language describing the product in vague, glowing terms.
In this comparison
AIRMSEN Large Slim Countertop Dishwasher | Built-in Water Tank is worth checking against its listed specs before buying, since it leads this comparison on the strength of details you can actually verify rather than a subjective impression alone.
When to Spend More
Spend more if
You need real durability and feature depth for regular, sustained use, where AIRMSEN Large Slim Countertop Dishwasher | Built-in Water Tank's build gives genuine headroom over the more budget-oriented picks in this comparison.
Save if
You only need this for light or occasional use, where AIRMSEN Portable Countertop Dishwasher covers the same core job at a more accessible price without the extras you may not actually need.
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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