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換気扇 20cm

Maybe

Shoppers spend an estimated $5.3M a year here. But products sell for $4727.76 on average, outside the sweet spot, so 換気扇 20cm is a Maybe.

Flapen Score
57
57 / 100
Ranks 2,057 of 4,191 DIY・工具・ガーデン niches · on the category median
Market size
¥5.3M/yr32K searches / yr
90-day growth
+22.2%search demand this quarter
Competition
61%top-5 click share · 8 brands · 119 sellers

Flapen Score

換気扇 20cm against its category

The dotted line is the DIY・工具・ガーデン average. Past it, 換気扇 20cm is stronger. Inside it, weaker.

57Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The 換気扇 20cm market on Amazon at a glance

Shoppers on Amazon Japan searched for 換気扇 20cm 32K times last year and spent an estimated ¥5.3M. The top 5 brands take 92% of clicks. Demand peaks in Jul–Aug. Flapen scores it 57 out of 100, a Maybe.

01 · Demand

An estimated 3.5% of those searches ended in a purchase.

Shoppers searched for this 32K times in the last 12 months. That counts every search on Amazon Japan for this niche's terms. An estimated 3.5% of those searches ended in a purchase. Searches in the last 90 days moved +22.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated ¥5.3M a year.

Searches, last 12 months
32K
Growth, 90 days vs prior 90
+22.2%
Conversion, latest week
3.5%
Market size, estimated
¥5.3Ma year
Peak month
July2.0× the quietest month
Top search term
換気扇 20cm29K searches a year

02 · Price

A sale here is worth ¥4727.76.

Listings sell for ¥4727.76 on average, from ¥2660.31 to ¥8673.27. Amazon reports units sold in ranges. This niche sold 1K to 1K a year. The average listing sells 0 to 100 of them. At ¥4727.76 that is ¥0 to ¥473K a year per listing.

Average price
¥4727.76above the $15 to $100 sweet spot
Price range
¥2660.31–¥8673.27
Amazon Japan median price
¥1942.07across 14,733 niches
Units sold a year
1K–1K
Units per listing a year
0–100
Revenue per listing a year
¥0–¥473K
Returns
0.6%of orders · Amazon Japan median 0.4%

03 · Entry bar

The bar here is low.

44% of listings pay for placement with sponsored ads. 75% ship with Prime. On an average day, 0.4% of listings are out of stock. The average listing ranks #147 within 住宅用設備・製品. It carries 116 reviews at 4.18 stars, so a new listing needs social proof before a better product.

Sponsored listings
44%
Prime listings
75%
Out of stock, average day
0.4%
Average rank
#147in 住宅用設備・製品
Average rating
4.18 starsAmazon Japan average 4.15 stars
Average reviews
116per listing
Listings tracked
16

04 · Newcomers

2 of last year's 2 launches cleared the first-year sales bar.

2 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 49 months on average, so the names here are settling in.

Launched, last 12 months
2
Successful launches
2Amazon's first-year sales bar
Average brand age
49 months

Products

Top 換気扇 20cm products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Sign in to see the products

The products selling in this niche are for signed-in readers. Every market figure above stays open to everyone.

Competition

Competition: brands, sellers & click share

The top 5 products take 61% of clicks. Leaders hold, but buyers still shop past them.

Brands

8 falling

Sellers

119

Top-5 brand share

92%

Top 20: 100%

Top-5 click share

61%

Top 20: 100%

Open market

4%

  • Brand 140%
  • Brand 224%
  • Brand 313%
  • Brand 410%
  • Brand 54%
  • Brand 63%
  • Open — no brand owns it (2 brands, 4%)

Demand

換気扇 20cm search demand

Weekly searches over the year, seasonality beneath. Pick a range.

1K750Spike '25Prime Day '25Black Friday '25Holiday '25Spike '26Prime Day '26SepDecMarJunAugNovMarMay

Peak months: Jul, Aug · busiest ÷ quietest = 2.0×

Reviews and returns

What reviews say buyers love and hate about 換気扇 20cm

We read the reviews and the return reasons for every product selling here.

30%of positive reviews mention “組み立て/インストール”
30%of negative reviews mention “材料の品質”
0.6%of orders come back
“プラスチック”
A buyer, on “材料の品質”30% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

19 topics

NegativePositive

FAQ

Common 換気扇 20cm questions

Answered from the same tracked data.