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kellerfenster

Skip it49/100

a small market ($24K/yr) — kellerfenster doesn't clear our bar today.

Market/yr

€24K

Growth (1y)

+117.0%

Products

37

Brands

10

was 10 a year ago

Sellers

9

Price range

€32.67–€159.12

Returns

0.0%

Rating

4.5★

49/100

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Scored 49/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns
Market size
1
×0.30
Growth
67
×0.30
Competition
72
×0.20
Quality gap
43
×0.10
Returns
100
×0.10

Demand

Weekly Amazon search volume, last 104 weeks — +117.0% year over year.
1K650.5Spike '25Prime Day '25Spike '26Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26

Seasonality

Monthly demand index across the year — 1.00 is average.

No pronounced peak months · busiest ÷ quietest = 1.7×

Competition

38%Framelux
  • Framelux38%
  • JeCo30%
  • Framex18%
  • Generisch6%
  • Trobak3%
  • Panorama242%
  • Other (4 brands)4%

The top 5 products take 41% of clicks — established leaders, but buyers still shop beyond them. 10 brands and 9 sellers compete here.

Brands

10 flat

was 10 a year ago

Sellers

9

Top 5 brand share

94%

#ProductBrandPriceRatingReviewsClick shareTrend

Product shelf

All 37 tracked products in this niche.

Reviews

What buyers praise and complain about, mined from review topics.

What buyers love

Qualität insgesamt36%

“Verarbeitungsqualität: ⭐️⭐️⭐️⭐️”

Montage/Installation25%

“Einbau unkompliziert”

Preis-Leistungs-Verhältnis20%

“Guter Preis”

beworben Vs Tatsächliches Produkt7%

“Artikel wie beschrieben”

Einstellbarkeit/Drehbarkeit/lehnend2%

“man braucht fast keine einstellung vornehmen.”

Gesamtgröße2%

“passt das.”

Verriegelungsmechanismus2%

“Der Mechanismus ist leichtgängig”

Benutzerfreundlichkeit2%

“Ein einfaches,”

Materialqualität2%

“Materialbeschaffenheit: ⭐️⭐️⭐️⭐️”

What buyers complain about

Gesamtgröße67%

“Super kleines Fenster”

Stärke17%

“Nicht sehr stabil”

Gleichgewicht/Stabilität17%

“Nicht sehr stabil”

Top return reasons

  • Gesamtgröße58%
  • Defekt Material/Teile10%
  • beworben Vs Tatsächliches Produkt10%
  • Messung / Ablesegenauigkeit6%
  • Montage/Installation3%
  • Kompatibilität – insgesamt3%
  • Höhe3%
  • Materialqualität3%
  • Funktionalität insgesamt3%

Data scraped July 8, 2026 · Marketplace baseline: 4.4★ avg rating · €18.61 median price · 1.1% median returns across 7,460 tracked niches.