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Durchlauferhitzer

Durchlauferhitzer shows beatable incumbent ratings (3.9★), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Flapen Score

57
Worth a look

Top 17% of 3,232 Baumarkt niches · +8 vs the category median of 49

Market size 81Growth 20Conversion 13Competition 83Returns 28Price range 24Avg price 73Brand share 68Review moat 76Quality gap 96
This niche Category average · 3,232 niches

Is Durchlauferhitzer profitable on Amazon?

According to Flapen's Amazon Germany niche tracking, Durchlauferhitzer is a €1.2M/yr Amazon Germany market (1.1M searches/yr). The top 5 brands hold 64% of demand. Verdict: Worth a look — 57/100.

Durchlauferhitzer: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved -10.4% over the last 90 days and 1.0% of searches end in a purchase.

€1.2M

revenue / yr

Units sold / yr13K
Search volume / yr-10.4%1.1M
Conversion rate1.0%
Avg price€105.88

Who owns the niche?

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

36%

open market share

Brands · sellers24 · 82
Top-5 product click share32%
Open market36%
Avg brand age32 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 · 49 products

Sponsored placement92%
New entrants (1y)11· 3 succeeded
Avg rating3.9★
Avg reviews484

Top Durchlauferhitzer products & what they sell for

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

Competition: brands, sellers & click share

Clicks spread well past the top 5 (32% combined) — an open shelf where new products get seen.

€0€37K€73K€110K€146K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

24 falling

Sellers

82

Top-5 brand share

64%

Top 20: 97%

Top-5 click share

32%

Top 20: 72%

Open market

31%

  • Stiebel Eltron27%
  • AEG14%
  • Vaillant8%
  • MAXXMEE7%
  • Bosch Thermotechnik7%
  • Thermoflow5%

Durchlauferhitzer demand & seasonality

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

Volume1.1MCVR1.0%Products49Brands24Top 5 Brands64%OOS Rate4.0%Rating3.9★Reviews484Avg BSR#46
30K20KPrime Day '24Spike '24Holiday '24Spike '25Black Friday '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

Top Durchlauferhitzer search terms shoppers use

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

  • durchlauferhitzer384K/yr
  • durchlauferhitzer 230v216K/yr
  • durchlauferhitzer dusche107K/yr
  • durchlauferhitzer küche93K/yr
  • boiler53K/yr
  • warmwasserboiler37K/yr
  • elektrische durchlauferhitzer34K/yr
  • durchlauferhitzer 230v dusche31K/yr
  • durchlauferhitzer garten12K/yr
  • mini durchlauferhitzer27K/yr

What reviews say buyers love and hate about Durchlauferhitzer

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

What buyers love

82% of reviews
Montage/Installation21%

Super Installation

Qualität insgesamt18%

Super Qualität

Preis-Leistungs-Verhältnis14%

Super Preis-/Leistung

beworben Vs Tatsächliches Produkt12%

hält, was er verspricht

Benutzerfreundlichkeit5%

Funktion problemlos

What buyers complain about

77% of reviews
Haltbarkeit18%

Haltbarkeit unzuverlässig

Qualität insgesamt17%

Absoluter Flop

Auslaufsicher11%

Undicht

Funktionalität insgesamt7%

Funktioniert nicht

Montage/Installation6%

„Installation abgeschlossen.

Durchlauferhitzer return rate & reasons

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

4.8%

Return rate

0%

Fixable by listing

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

1Gesamtgröße
25%
2Funktionalität insgesamt
15%
3Defekt Material/Teile
12%
4Auslaufsicher
11%
5Kompatibilität – insgesamt
6%

Common Durchlauferhitzer questions

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

Flapen scores Durchlauferhitzer 57/100 on Amazon Germany — Worth a look. The niche generates €1.2M/yr across 49 tracked products. 3 of 11 products launched in the last 360 days are still selling. Search demand moved -10.4% over the last 90 days.
Search demand for Durchlauferhitzer on Amazon Germany is steady year-round — the busiest month runs 1.4× the quietest.