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ダクトファン 100mm

ダクトファン 100mm clears our launch bar: a $3.7M/yr market growing +47.0% this quarter with returns at 0.7%.

Flapen Score

72
Launch it

Top 3% of 4,191 DIY・工具・ガーデン niches · +15 vs the category median of 57

Market size 96Growth 67Conversion 26Competition 95Returns 97Price range 0Avg price 0Brand share 68Review moat 92Quality gap 96
This niche Category average · 4,191 niches

Is ダクトファン 100mm profitable on Amazon?

According to Flapen's Amazon Japan niche tracking, ダクトファン 100mm is a ¥3.7M/yr Amazon Japan market (30K searches/yr). The top 5 brands hold 64% of demand. Demand peaks in Jul. Verdict: Launch it — 72/100.

ダクトファン 100mm: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Yes. Search demand moved +47.0% over the last 90 days and 2.1% of searches end in a purchase.

¥3.7M

revenue / yr

Units sold / yr750
Search volume / yr+47.0%30K
Conversion rate2.1%
Avg price¥5906.10

Who owns the niche?

The top 5 brands hold 64% of demand, so 36% of the market is open.

36%

open market share

Brands · sellers22 · 73
Top-5 product click share19%
Open market36%
Avg brand age54 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 3.9★ — the gap to enter on.

0/100

page quality · 76 products

Sponsored placement91%
New entrants (1y)14· 9 succeeded
Avg rating3.9★
Avg reviews161

Top ダクトファン 100mm products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Top sellers

by 90-day click share

Competition: brands, sellers & click share

Clicks spread well past the top 5 (19% combined) — an open shelf where new products get seen.

¥0¥73K¥147K¥220K¥293K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

22 rising

Sellers

73

Top-5 brand share

64%

Top 20: 99%

Top-5 click share

19%

Top 20: 56%

Open market

30%

  • Hon&Guan21%
  • Sidvkut17%
  • SAILFLO10%
  • Okryain10%
  • BreeRainz7%
  • MechCore6%

ダクトファン 100mm demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume30KCVR2.1%Products76Brands22Top 5 Brands64%OOS Rate13.6%Rating3.9★Reviews161Avg BSR#222
1K800Black Friday '25Spike '26Prime Day '26JulAugSepOctNovDecJanFebMarAprMayJunJul

Peak months: Jul · busiest ÷ quietest = 2.5×

Top ダクトファン 100mm search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • ダクトファン 100mm13K/yr
  • ダクトファン 150mm9K/yr
  • 塗装ブース ファン8K/yr

What reviews say buyers love and hate about ダクトファン 100mm

What buyers mention most, as a share of all reviews.

What buyers love

67% of reviews
コストパフォーマンス15%

コスパOK

組み立て/インストール8%

中間取付形なのでダクトの途中にすっきり設置でき、省エネ設計で電気代を気にせず24時間使えます。

使用の容易さ8%

お手軽DIY

騒音レベル7%

轟音扇風機に最適

総合品質6%

長く使えるフルスペックモデル

What buyers complain about

58% of reviews
耐久性9%

1年ちょっとで壊れました。

騒音レベル8%

音はそこまでうるさくなく、最弱だと無音に近いです。

匂い7%

スイッチの部分が臭すぎます。

強さ7%

弱すぎ

組み立て/インストール7%

作り方が複雑で、苦労してしまいました。

ダクトファン 100mm return rate & reasons

Why buyers send it back, as a share of all return requests.

0.7%

Return rate

0%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1サイズ全体
31%
2機能全体
22%
3広告と実際の製品の違い
6%
4不良材料/部品
5%
5騒音レベル
4%

Common ダクトファン 100mm questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores ダクトファン 100mm 72/100 on Amazon Japan — Launch it. The niche generates ¥3.7M/yr across 76 tracked products. 9 of 14 products launched in the last 360 days are still selling. Search demand moved +47.0% over the last 90 days.
Search demand for ダクトファン 100mm on Amazon Japan peaks in Jul, where the busiest month runs 2.5× the quietest.