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40

entlüfter

Skip it

Soft demand (-43.9% this quarter) — this niche doesn't clear our bar today.

Market size 10Growth 3Conversion 56Competition 48Returns 81Price range 51Avg price 46Brand share 58Review moat 78Quality gap 27

Returns

Great1.7%

return rate — above 5% kills the launch gate

Review moat

Great444.05

avg incumbent reviews — the moat a new listing must climb

Brand share

Good70%

top-5 brand share — brands hold most of the demand

Conversion

Good4.7%

search→purchase rate — share of searches ending in a sale

Price range

Good€3.09–€27.26

cheapest to priciest tracked listing — scored on the share inside $15–$100

Competition

Okay56%

top-5 click share — leaders hold, buyers still browse

Avg price

Okay€11.55

avg listing price — sweet spot $15–$100

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Market size

Bad€42K

€42K/yr · 77K searches

Growth

Bad-43.9%

90-day search growth — must beat 0% to launch

According to Flapen's Amazon Germany niche tracking, entlüfter is a €42K/yr Amazon Germany market (77K searches/yr). The top 5 brands hold 70% of demand. Demand peaks in Jan–Oct–Nov–Dec. Verdict: Skip it — 40/100.

Data updated Jul 8, 2026 · scored weekly · How we score niches

entlüfter market data

Units sold / yr
5K–6K
avg 100–250/product
Revenue / yr
€58K–€69K
units × avg price
Conversion rate
4.7%
Avg BSR
#510
Page quality
0%
Prime
91%
Sponsored
68%
Out of stock
6.2%
Avg brand age
39 months
Avg seller age
200 days

Competition & brand share

The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.

Brands

17 falling

Sellers

58

Top-5 brand share

70%

Top 20: 100%

Top-5 click share

56%

Top 20: 97%

Open market

26%

  • VARIOSAN40%
  • Batheidon10%
  • Flamco9%
  • STABILO Sanitaer7%
  • Caleffi5%
  • Meyola4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -43.9% search growth over the last 90 days.
3K2KSpike '24Black Friday '24Spike '25SepDecMarJunAugNovMarMay

Peak months: Jan, Oct, Nov, Dec · busiest ÷ quietest = 3.0×

Top entlüfter search terms

  • entlüftungsventil17K/yr
  • schnellentlüfter 1/2 zoll10K/yr
  • schnellentlüfter9K/yr
  • heizkörper entlüftungsventil11K/yr
  • entlüftungsventil heizkörper14K/yr
  • entlüftungsventil entlüftungsventil5K/yr
  • automatischer entlüfter6K/yr
  • heizung entlüftungsventil6K/yr
All search terms

Top entlüfter 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%10%€4K20%€8K30%€13K40%€17K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 22 tracked products in this niche — three views at once, no toggling.

What buyers say about entlüfter

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

What buyers love

Qualität insgesamt25%

“Solide Ausführung”

Montage/Installation17%

“Installation war einfach”

beworben Vs Tatsächliches Produkt12%

“Macht, was es soll”

Preis-Leistungs-Verhältnis10%

“Preis Leistung Super”

Gesamtgröße10%

“Passt”

Funktionalität insgesamt7%

“HEIZUNGSENTLÜFTUNGSVETIL”

Effizienz3%

“Funktioniert einwandfrei”

Design insgesamt2%

“Das Design ist dezent”

Benutzerfreundlichkeit2%

“Funktionieren einfach”

Anleitung/Benutzerhandbuch/Fehlerbehebung2%

“Naja ein kurze Bedienungsanleitung wäre schon von Vorteil gewesen”

What buyers complain about

Funktionalität insgesamt14%

“Ohne Funktion”

Preis-Leistungs-Verhältnis13%

“Ist das Geld nicht wert”

Auslaufsicher11%

“Zwei von Drei der Teile sind bereits defekt und undicht”

Montage/Installation11%

“ist noch nicht eingebaut”

Qualität insgesamt8%

“Billig Produkt”

Gesamtgröße7%

“Entlüftungsschlüssel passt nicht auf alte Ventile sonst okay”

Materialqualität7%

“Undichter Kunststoffring”

beworben Vs Tatsächliches Produkt7%

“Ist am Produkt Foto nicht ersichtlich”

Geräuschpegel4%

“so Geräusche sowie Leistungsprobleme”

Haltbarkeit2%

“NACH 3 JAHREN UNDICHT”

Top return reasons

Gesamtgröße66%
Auslaufsicher9%
Defekt Material/Teile5%
Kompatibilität – insgesamt5%
Funktionalität insgesamt4%
Lackqualität2%
Höhe2%
Konnektivität – insgesamt1%
Montage/Installation1%
Wasserbeständigkeit1%

Common questions

Is entlüfter profitable to sell on Amazon Germany?
The niche generates €42K/yr across 22 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is -43.9%. Flapen's verdict: Skip it (40/100).
How competitive is the entlüfter niche?
17 brands and 58 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 70% of demand.
What do buyers complain about in entlüfter?
Top complaints mined from reviews: Funktionalität insgesamt, Preis-Leistungs-Verhältnis, Auslaufsicher. The return rate is 1.7%.
When does demand for entlüfter peak?
Demand peaks in Jan–Oct–Nov–Dec; the busiest month runs 3.0× the quietest.
What does it cost to enter the entlüfter niche?
Listings span €3.09–€27.26; the average listing price is €11.55 (sweet spot $15–$100). The average incumbent carries 444 reviews — the moat a new listing must climb.