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entlüftungsventil heizkörper

Skip it

Soft demand (-66.5% this quarter) — this niche doesn't clear our bar today.

Market size 14Growth 0Conversion 89Competition 62Returns 80Price range 62Avg price 61Brand share 64Review moat 78Quality gap 40

Conversion

Great10.6%

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

Returns

Great1.8%

return rate — above 5% kills the launch gate

Review moat

Great431.52

avg incumbent reviews — the moat a new listing must climb

Brand share

Good67%

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

Competition

Good48%

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

Price range

Good€3.09–€34.67

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

Avg price

Good€13.27

avg listing price — sweet spot $15–$100

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Market size

Bad€58K

€58K/yr · 41K searches

Growth

Bad-66.5%

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

According to Flapen's Amazon Germany niche tracking, entlüftungsventil heizkörper is a €58K/yr Amazon Germany market (41K searches/yr). The top 5 brands hold 67% of demand. Demand peaks in Jan–Feb–Oct–Nov–Dec. Verdict: Skip it — 49/100.

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

entlüftungsventil heizkörper market data

Units sold / yr
3K–4K
avg 0–100/product
Revenue / yr
€40K–€53K
units × avg price
Conversion rate
10.6%
Avg BSR
#559
Page quality
0%
Prime
90%
Sponsored
83%
Out of stock
20.0%
Avg brand age
41 months
Avg seller age
203 days

Competition & brand share

The top 5 products take 48% of clicks — established leaders, but buyers still shop beyond them.

Brands

21 falling

Sellers

61

Top-5 brand share

67%

Top 20: 100%

Top-5 click share

48%

Top 20: 90%

Open market

28%

  • VARIOSAN25%
  • Flamco13%
  • kör4u12%
  • Duro9%
  • Batheidon7%
  • Caleffi6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -66.5% search growth over the last 90 days.
3K2KSpike '24Prime Day '25Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Feb, Oct, Nov, Dec · busiest ÷ quietest = 8.9×

Top entlüftungsventil heizkörper search terms

  • schnellentlüfter 1/2 zoll10K/yr
  • heizkörper entlüftungsventil11K/yr
  • automatische heizkörperentlüfter9K/yr
  • automatischer heizkörperentlüfter6K/yr
  • heizkörperentlüfter automatisch5K/yr
All search terms

Top entlüftungsventil heizkörper 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%€3K10%€6K15%€9K20%€12K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about entlüftungsventil heizkörper

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

What buyers love

Qualität insgesamt21%

“Solide Ausführung”

Montage/Installation19%

“Installation war einfach”

beworben Vs Tatsächliches Produkt14%

“Erfüllt den Zweck”

Funktionalität insgesamt9%

“HEIZUNGSENTLÜFTUNGSVETIL”

Preis-Leistungs-Verhältnis9%

“Preis Leistung Super”

Gesamtgröße6%

“Passt”

Effizienz4%

“Funktioniert sehr gut”

Benutzerfreundlichkeit4%

“Praktisch”

Geräuschpegel3%

“Hat das Problem des Kieselgeräusches in der Heizung gelöst”

Design insgesamt2%

“Das Design ist dezent”

What buyers complain about

Funktionalität insgesamt18%

“Ohne Funktion”

Auslaufsicher15%

“alle sind undicht”

Montage/Installation14%

“ist noch nicht eingebaut”

Preis-Leistungs-Verhältnis11%

“Preislich im normalen Bereich für nicht "Marken" Teile”

Qualität insgesamt8%

“Schlechte Qualität”

beworben Vs Tatsächliches Produkt7%

“Ist am Produkt Foto nicht ersichtlich”

Sprühen/Durchfluss4%

“Er entlüftet nicht mehr”

Geräuschpegel4%

“so Geräusche sowie Leistungsprobleme”

Haltbarkeit2%

“NACH 3 JAHREN UNDICHT”

Defekt Material/Teile2%

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

Top return reasons

Gesamtgröße60%
Auslaufsicher11%
Defekt Material/Teile6%
Kompatibilität – insgesamt6%
Funktionalität insgesamt3%
Konnektivität – insgesamt2%
Lackqualität2%
Höhe2%
beworben Vs Tatsächliches Produkt1%
Montage/Installation1%

Common questions

Is entlüftungsventil heizkörper profitable to sell on Amazon Germany?
The niche generates €58K/yr across 29 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is -66.5%. Flapen's verdict: Skip it (49/100).
How competitive is the entlüftungsventil heizkörper niche?
21 brands and 61 sellers compete. The top 5 products take 48% of clicks and top 5 brands hold 67% of demand.
What do buyers complain about in entlüftungsventil heizkörper?
Top complaints mined from reviews: Funktionalität insgesamt, Auslaufsicher, Montage/Installation. The return rate is 1.8%.
When does demand for entlüftungsventil heizkörper peak?
Demand peaks in Jan–Feb–Oct–Nov–Dec; the busiest month runs 8.9× the quietest.
What does it cost to enter the entlüftungsventil heizkörper niche?
Listings span €3.09–€34.67; the average listing price is €13.27 (sweet spot $15–$100). The average incumbent carries 432 reviews — the moat a new listing must climb.