Is füllschlauch heizung profitable to sell on Amazon Germany?

The niche generates €50K/yr across 8 tracked products. 90-day search growth is -48.3%. Flapen's verdict: Skip it (34/100).

How competitive is the füllschlauch heizung niche?

3 brands and 5 sellers compete. The top 5 products take 90% of clicks and top 5 brands hold 100% of demand.

When does demand for füllschlauch heizung peak?

Demand peaks in Jan–Oct–Nov–Dec; the busiest month runs 5.3× the quietest.

What does it cost to enter the füllschlauch heizung niche?

Listings span €14.39–€26.81; the average listing price is €18.56 (sweet spot $15–$100). The average incumbent carries 322 reviews — the moat a new listing must climb.

füllschlauch heizung

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.9%

return rate — above 5% kills the launch gate

Price range

Great€14.39–€26.81

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

Review moat

Great321.63

avg incumbent reviews — the moat a new listing must climb

Avg price

Great€18.56

avg listing price — sweet spot $15–$100

Conversion

Good6.1%

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

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Market size

Bad€50K

€50K/yr · 44K searches

Competition

Bad90%

top-5 click share — a locked-up shelf

Growth

Bad-48.3%

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

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon Germany niche tracking, füllschlauch heizung is a €50K/yr Amazon Germany market (44K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Oct–Nov–Dec. Verdict: Skip it — 34/100.

Data updated Jul 6, 2026 · scored weekly · How we score niches

füllschlauch heizung market data

Units sold / yr: 3K–3K; avg 250–500/product
Revenue / yr: €46K–€56K; units × avg price
Conversion rate: 6.1%
Avg BSR: #123
Page quality: 0%
Prime: 50%
Sponsored: 25%
Out of stock: 0.0%
Avg brand age: 50 months
Avg seller age: 201 days

Competition & brand share

The top 5 products capture 90% of clicks — a locked-up shelf that new listings rarely crack.

Brands

3 falling

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

90%

Top 20: 100%

Open market

VARIOSAN72%
nichtganzdicht24.de25%
THR Industrieprodukte3%

Demand & seasonality

Weekly Amazon search volume, last 84 weeks — -48.3% search growth over the last 90 days.

Peak months: Jan, Oct, Nov, Dec · busiest ÷ quietest = 5.3×

Open Trend

Top füllschlauch heizung search terms

heizung füllschlauch14K/yr -50.9%3.6% conv.
füllschlauch heizung11K/yr -54.2%7.6% conv.
heizungsschlauch8K/yr -39.7%4.0% conv.
füllschlauch4K/yr -29.6%4.6% conv.
heizungsfüllschlauch4K/yr -42.6%10.3% conv.
schlauch heizung befüllen3K/yr -61.6%11.3% conv.

All search terms

Top füllschlauch heizung 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 8 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

VARIOSAN Füllschlauch für Heizung 16751 3/4 2 50 m 15 bar gelb

VARIOSAN€15.914.7★188 rev

Heizung Füllschlauch Set 2 5m | Druckfester PVC-Schlauch für Heizungsanlage Gastherme & Heizkörper | Schnell & Einfach Nachfüllen & Entlüften (2 5m)

nichtganzdicht24.de€14.394.7★641 rev

VARIOSAN Füllschlauch für Heizung 16775 3/4 5 00 m 15 bar gelb

VARIOSAN€18.854.7★188 rev

VARIOSAN Füllschlauch inkl. Wandhalter/Füll-Set 11411 3/4 5 00 m DN15

VARIOSAN€26.814.7★683 rev

Heizung Füllschlauch Set 5m | Druckfester PVC-Schlauch für Heizungsanlage Gastherme & Heizkörper | Schnell & Einfach Nachfüllen & Entlüften

nichtganzdicht24.de€16.064.7★388 rev

Newest

by launch date

VARIOSAN Füllschlauch für Heizung 16775 3/4 5 00 m 15 bar gelb

VARIOSAN€18.85188 rev

1y ago

VARIOSAN Füllschlauch für Heizung 16751 3/4 2 50 m 15 bar gelb

VARIOSAN€15.91188 rev

1y ago

Füllschlauch Heizung Heizungsfüllschlauch 3/4 Verschraubungen DN15 2 5m

THR Industrieprodukte€17.5440 rev

2y ago

Heizung Füllschlauch Set 1 5m | Druckfester PVC-Schlauch für Heizungsanlage Gastherme & Heizkörper | Schnell & Einfach Nachfüllen & Entlüften

nichtganzdicht24.de€14.73307 rev

7y ago

VARIOSAN Füllschlauch inkl. Wandhalter/Füll-Set 11411 3/4 5 00 m DN15

VARIOSAN€26.81683 rev

9y ago

What buyers say about füllschlauch heizung

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

What buyers love

Qualität insgesamt41%

“XXX super Qualität”

Gesamtgröße26%

“Passt”

Preis-Leistungs-Verhältnis6%

“Preisdeal”

Stärke4%

“Stabiler Schlauch”

beworben Vs Tatsächliches Produkt4%

“Produkt, wie beschrieben”

Effizienz4%

“Funktioniert”

Wasserbeständigkeit4%

“Wasserdicht”

Druck3%

“Kann durch den Schlauch ganze einfach Wasserdruck in der Heizung regeln”

Haltbarkeit3%

“Haltbar gut”

Benutzerfreundlichkeit2%

“Einfach zu schrauben”

Top return reasons

Gesamtgröße57%

Kompatibilität – insgesamt12%

Konnektivität – insgesamt6%

Auslaufsicher5%

Produktzustand3%

Defekt Material/Teile3%

Funktionalität insgesamt3%

Qualität insgesamt3%

Filterung1%

Entwässerung1%

Common questions

Is füllschlauch heizung profitable to sell on Amazon Germany?: The niche generates €50K/yr across 8 tracked products. 90-day search growth is -48.3%. Flapen's verdict: Skip it (34/100).
How competitive is the füllschlauch heizung niche?: 3 brands and 5 sellers compete. The top 5 products take 90% of clicks and top 5 brands hold 100% of demand.
When does demand for füllschlauch heizung peak?: Demand peaks in Jan–Oct–Nov–Dec; the busiest month runs 5.3× the quietest.
What does it cost to enter the füllschlauch heizung niche?: Listings span €14.39–€26.81; the average listing price is €18.56 (sweet spot $15–$100). The average incumbent carries 322 reviews — the moat a new listing must climb.