---
title: "18 Inch Dishwasher — $1.0M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/appliances/18-inch-dishwasher"
last_updated: "2026-08-09T01:28:30.901Z"
locale: en
meta:
description: "Niche score 38/100 · $1.0M/yr market · 141K searches/yr · $501.11 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 38/100 · $1.0M/yr market · 141K searches/yr · $501.11 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "18 Inch Dishwasher — $1.0M/yr Amazon US Niche (2026) - Flapen"
---
# **18 inch dishwasher**
**Skip it**
Pricing outside the sweet spot ($501.11 avg) — this niche doesn't clear our bar today.
Market size 78Growth 26Conversion 18Competition 30Returns 21Price range 0Avg price 0Brand share 16Review moat 83Quality gap 86
**Quality gap**
**Great****4.1★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Great****335.73**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Great****$1.0M**
$1.0M/yr · 141K searches
**Competition**
**Okay****67%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Okay****+0.9%**
90-day search growth — must beat 0% to launch
**Returns**
**Bad****6.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Bad****1.5%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Bad****93%**
top-5 brand share — brand-locked demand
**Avg price**
**Bad****$501.11**
avg listing price — sweet spot $15–$100
**Price range**
**Bad****$360.58–$767.74**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, 18 inch dishwasher is a $1.0M/yr Amazon United States market (141K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in Nov. Verdict: Skip it — 38/100.
Data updated Jul 5, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **18 inch dishwasher market data**
- **Units sold / yr**
- **2K–3K**
- avg 100–250/product
- **Revenue / yr**
- **$1.0M–$1.3M**
- units × avg price
- **Conversion rate**
- **1.5%**
- **Avg BSR**
- **#15**
- **Page quality**
- **0%**
- **Prime**
- **87%**
- **Sponsored**
- **60%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **38 months**
- **Avg seller age**
- **204 days**
## **Competition & brand share**
The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**9 **▼falling
**Sellers**
**29**
**Top-5 brand share**
**93%**
Top 20: 100%
**Top-5 click share**
**67%**
Top 20: 100%
**Open market**
**4%**
- Midea40% - Honeywell34% - EdgeStar10% - Sharp7% - Frigidaire3% - SPT2% - Open — no brand owns it (3 brands, 4%)
## **Demand & seasonality**
Weekly Amazon search volume, last 108 weeks — +0.9% search growth over the last 90 days.
5K3KPrime Day '24Spike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Nov · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/us/appliances/18-inch-dishwasher/trend)
## **Top 18 inch dishwasher search terms**
- **18 inch dishwasher**53K/yr+11.6%1.1% conv. - **18 dishwasher**31K/yr-2.3%1.6% conv. - **18 dishwasher stainless steel**7K/yr+12.4%2.1% conv. - **18 inch dishwasher stainless steel**6K/yr+41.1%2.0% conv. - **dishwasher 18 inch**7K/yr+15.8%1.2% conv. - **18 in dishwasher**6K/yr-7.3%1.0% conv. - **18in dishwasher**4K/yr+16.0%1.1% conv. - **18 inch dishwasher built in**8K/yr-48.9%1.1% conv. - **dishwasher 18 inch wide**3K/yr-13.0%1.2% conv. - **18 inch dish washer**2K/yr-50.5%0.2% conv. [**All search terms **](https://flapen.com/research/us/appliances/18-inch-dishwasher/search-terms)
## **Top 18 inch dishwasher products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%5%$51K10%$103K15%$154K20%$205K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 15 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Midea 18 Inch Built-in Dishwasher Slim Space-Saving Design with 8 Place Settings 6 Washing Programs & Stainless Steel Tub Energy Star Certified Dishwasher with Heated Dry & High Temp Wash Silver**Midea**$437.05**4.1★524 rev](https://www.amazon.com/dp/B0C84MCVWM) [2**Honeywell 18-Inch Dishwasher with 8 Place Settings 6 Washing Programs Stainless Steel Tub UL & Energy Star Certified Stainless Finish**Honeywell**$423.18**4.0★304 rev](https://www.amazon.com/dp/B0BSHF9LXB) [3**Midea 18 Inch Built-in Dishwasher 8 Place Settings Stainless Steel Tub**Midea**$398.55**4.1★524 rev](https://www.amazon.com/dp/B0C84HDJCC) [4**Honeywell 18 Inch Dishwasher with 8 Place settings 6 Washing Programs Stainless Steel Tub UL/Energy Star- Black**Honeywell**$360.58**4.2★119 rev](https://www.amazon.com/dp/B0F9B6ZH6F) [5**Midea 18 Inch Built-in Dishwasher 8 Place Settings Stainless Steel Tub**Midea**$399.22**4.1★524 rev](https://www.amazon.com/dp/B0C84KHMSY)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**COMFEE 18 Inch Built-in Dishwasher Energy Star & NSF Stainless Steel Tub**COMFEE'**$423.98**3 rev5mo ago](https://www.amazon.com/dp/B0GHY7P6PT) [**Sharp SDW4523MS 18-Inch Built-In Dishwasher Stainless Steel 47 dB Third Rack 8 Place Settings 6 Wash Cycles**Sharp**$726.69**5 rev11mo ago](https://www.amazon.com/dp/B0FHS43RZ5) [**KoolMore 18 in. ADA Panel Ready with 8 Place Settings 52 DB Dishwasher in Stainless-Steel UL and Energy Star Certified (KM-DW1852-PR)**KoolMore**$732.65**10 rev2y ago](https://www.amazon.com/dp/B0CWN65GBR) [**Midea 18 Inch Built-in Dishwasher Slim Space-Saving Design with 8 Place Settings 6 Washing Programs & Stainless Steel Tub Energy Star Certified Dishwasher with Heated Dry & High Temp Wash Silver**Midea**$437.05**524 rev3y ago](https://www.amazon.com/dp/B0C84MCVWM) [**Midea 18 Inch Built-in Dishwasher 8 Place Settings Stainless Steel Tub**Midea**$398.55**524 rev3y ago](https://www.amazon.com/dp/B0C84HDJCC)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**COMFEE 18 Inch Built-in Dishwasher Energy Star & NSF Stainless Steel Tub**COMFEE'**$423.98**4.4★**▲ 355%**](https://www.amazon.com/dp/B0GHY7P6PT) [**FRIGIDAIRE 18 in. ADA Compact Front Control Dishwasher in Stainless Steel with Dual Spray Arms 52 dBA includes room-of-choice delivery**Frigidaire**$767.74**4.2★**▲ 71%**](https://www.amazon.com/dp/B07PZWHZS5) [**Sharp SDW4523MS 18-Inch Built-In Dishwasher Stainless Steel 47 dB Third Rack 8 Place Settings 6 Wash Cycles**Sharp**$726.69**4.7★**▲ 63%**](https://www.amazon.com/dp/B0FHS43RZ5) [**Midea 18 Inch Built-in Dishwasher 8 Place Settings Stainless Steel Tub**Midea**$399.22**4.1★**▲ 38%**](https://www.amazon.com/dp/B0C84KHMSY) [**Midea 18 Inch Built-in Dishwasher 8 Place Settings Stainless Steel Tub**Midea**$398.55**4.1★**▲ 28%**](https://www.amazon.com/dp/B0C84HDJCC)
**~~View all trending →~~**
## **What buyers say about 18 inch dishwasher**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Cleaning**19%
*“Great product cleans very well very much worth the money”*
**Noise Level**17%
*“Quiet and Nice”*
**Size-Overall**17%
*“It fits”*
**Value For Money**14%
*“reasonably priced”*
**Quality-Overall**5%
*“It is working fine with no complaints”*
**Leak-Proof**4%
*“It was not leaking”*
**Advertised Vs Actual Product**4%
*“Item is as advertised so far”*
**Storage Capacity**3%
*“has the capacity for my larger items”*
**Ease Of Use**2%
*“easy to use”*
**Durability**1%
*“So far it has been reliable”*
### **What buyers complain about **
**Leak-Proof**19%
*“there was something wrong with the pump leaking”*
**Quality-Overall**11%
*“Garbage”*
**Assembly/Installation**8%
*“Painful installation”*
**Ease Of Cleaning**8%
*“It never really gets stuff clean”*
**Durability**8%
*“stopped working at the beginning of June”*
**Functionality-Overall**5%
*“would not drain”*
**Value For Money**5%
*“most of them are substantially more expensive then a typical 24”*
**Instructions/User Manual/Troubleshooting**4%
*“The manual. which was painfully confusing”*
**Advertised Vs Actual Product**4%
*“Wrong description”*
**Touch/Button Controls**3%
*“It does not have a power button”*
### **Top return reasons **
**Size-Overall**29%
**Leak-Proof**15%
**Defective Material/Parts**15%
**Functionality-Overall**6%
**Color**5%
**Portability**5%
**Assembly/Installation**2%
**Compatibility-Overall**2%
**Certifications**2%
**Water Resistance**2%
## **Common questions**
- **Is 18 inch dishwasher profitable to sell on Amazon United States?**
- The niche generates $1.0M/yr across 15 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +0.9%. Flapen's verdict: Skip it (38/100).
- **How competitive is the 18 inch dishwasher niche?**
- 9 brands and 29 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 93% of demand.
- **What do buyers complain about in 18 inch dishwasher?**
- Top complaints mined from reviews: Leak-Proof, Quality-Overall, Assembly/Installation. The return rate is 6.1% — above our launch gate.
- **When does demand for 18 inch dishwasher peak?**
- Demand peaks in Nov; the busiest month runs 1.6× the quietest.
- **What does it cost to enter the 18 inch dishwasher niche?**
- Listings span $360.58–$767.74; the average listing price is $501.11 (sweet spot $15–$100). The average incumbent carries 336 reviews — the moat a new listing must climb.
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