Is the Midea 18-inch dishwasher actually worth it?
Worth it, if the gap is real

Why an 18-inch kitchen gap is so hard to fill
You've stood in a kitchen with a cabinet cut for something narrow, running water over a stack of pots because the only appliance that fit that gap was a portable unit that gave up halfway through the cycle. The slot is eighteen inches, not twenty-four, and every full-size dishwasher you look at needs six inches you don't have. A Midea dishwasher built for exactly that gap looks like the answer on paper. The question is whether a slim tub actually cleans like a real one once the door closes.
How the Midea 18-inch dishwasher actually cleans a full load
The trick with an 18-inch build isn't a smaller wash tub, it's a taller and narrower one. Midea gets its eight place settings by going up instead of out: the cabinet stands thirty-two inches tall on adjustable legs, and the stainless tub inside is built to take an eleven-inch pot standing on end rather than lying flat, the way a wide 24-inch rack would want it to. That's how a machine that fits an apartment galley kitchen still swallows a full dinner service.
The second thing worth understanding is water. This unit runs on about 15.5 gallons an hour, which is efficient, but efficient means a small volume of water doing all the work through the spray arms, and a small volume has no tolerance for the suds a bottle of regular dish soap produces. That foam doesn't rinse away, it backs up against the pump and either trips a sensor or works its way out under the door. That's the actual reason the manual is strict about dishwasher-only detergent, not a marketing preference.
The Hi-Temp cycle is the other half of the story: it holds water at 136 degrees through the wash, not just a hot rinse at the end, which is what actually sanitizes a baby bottle rather than just warming it. Heated Dry then uses that same trapped heat to finish the load, so nothing comes out needing a towel. At 52 decibels, you can run all of this in an open-plan kitchen without shouting over it.
So the real trade isn't capacity, it's footprint. You get a full stainless tub, a genuine high-temperature sanitize cycle, and quiet running, all squeezed into a cabinet that used to hold nothing but a stack of towels, and the cost of that squeeze is a little more discipline about what detergent goes in the tray.
Who the Midea 18-inch dishwasher is for, and who should skip it
Worth it if
- your cabinet gap is 18 inches, not 24
- you need a real built-in, not a countertop or portable unit
- you want a sanitize cycle for bottles and kids' dishes, not just a hot rinse
- quiet operation matters in an open-plan kitchen
- you're willing to use dishwasher-specific detergent only
Skip it if
- you already have a full 24-inch bay to fill
- you want a machine that tolerates any dish soap on hand
- your household needs more than eight place settings a load
Not for kitchens with a full 24-inch bay to spare.
The Midea dishwasher verdict: is it worth it
If your kitchen has an 18-inch gap and you've been hand-washing around it, this is a quiet yes: it'll run daily and you won't miss the counter space it doesn't take. If you've actually got a full 24-inch bay to work with, a standard-size machine will out-clean this on raw capacity for similar money, so there's no reason to go slim just to go slim.
Day one looks like closing that awkward gap for good: you load pots on their end instead of stacking dishes in the sink, hit Hi-Temp for the baby bottles, and walk away while it runs quiet enough to ignore. No more portable unit rolled out to the sink and back again. Just remember the detergent aisle: dishwasher tabs only, and this stays exactly as easy as it looks on day one.
Amazon shoppers rate it 4.1 out of 5 across 535 ratings. That is their number, not ours.
Before you go
Can I use regular dish soap in the Midea 18 inch dishwasher?
No, only dishwasher-specific detergent should go in the tray; regular dish soap foams enough to overwhelm the pump and cause leaks or errors.
How many place settings does the Midea 18 inch dishwasher hold?
Eight place settings, achieved by a tall narrow tub rather than a wide one.
Is the Midea 18 inch dishwasher quiet enough for an open kitchen?
At 52 decibels it runs quietly enough to hold a conversation nearby without raising your voice.
Does the Midea dishwasher have a sanitizing cycle for baby bottles?
Yes, the Hi-Temp cycle holds water at 136°F through the wash, which is enough to sanitize bottles and kids' dinnerware, not just rinse them warm.
By the numbers
We have reviewed 58 appliances products. 98% land where this one does: worth it, with a condition attached. Only 2% earn an unconditional yes at full price. Every verdict is published as open data in the Is It Worth It Reviews Verdict Dataset (CC BY 4.0).
Full spec sheet
| Installation Type | Under Counter |
|---|---|
| Additional Features | Digital Display |
| Controls Type | Push Button |
| Noise | 52 db |
| Form Factor | Built-In |
| Voltage | 120 volts |
| Cycle Options | Delicate, Economy, Heavy, Normal, Rapid |
| Display | LED |
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