Durchlauferhitzer 21kw
prices mostly outside the sweet spot ($129.80–$456.81) — Durchlauferhitzer 21kw doesn't clear our bar today.
Flapen Score
Ranks 3,066 of 3,232 Baumarkt niches · −17 vs the category median of 49
Is Durchlauferhitzer 21kw profitable on Amazon?
According to Flapen's Amazon Germany niche tracking, Durchlauferhitzer 21kw is a €104K/yr Amazon Germany market (59K searches/yr). The top 5 brands hold 96% of demand. Demand peaks in Jan–Feb. Verdict: Skip it — 32/100.
Durchlauferhitzer 21kw: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Not really. Search demand moved -22.6% over the last 90 days and 0.8% of searches end in a purchase.
€104K
revenue / yr
Who owns the niche?
The top 5 brands hold 96% of demand, so 4% of the market is open.
4%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.
0/100
page quality · 22 products
Top Durchlauferhitzer 21kw products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 90-day click share
Thermoflow Elex 21 kW Durchlauferhitzer 400 V druckfest | Warmwasserbereiter bis 55 C | G 1/2 Anschluss | 11 8 L / min | Durchlauferhitzer für Waschtisch Dusche oder Badewanne
- Price
- €151.94
- Rating
- 4.1/5
- Reviews
- 1,153
- Age
- 11y ago
STIEBEL ELTRON Neueste Generation Elektronischer Durchlauferhitzer DHB 18/21/24 ST Trend Made in Germany gradgenaue Temperaturwahl energiesparend dank 3i Technologie VDE geprüft 204202
- Price
- €250.83
- Rating
- 4.6/5
- Reviews
- 500
- Age
- 2y ago
![Bosch elektronisch geregelter Durchlauferhitzer Tronic Line 15/18/21 kW - umschaltbar druckfest stufenlose Temperaturwahl moderne Glas-Optik weiß [Energieklasse A]](https://m.media-amazon.com/images/I/21D7Txk1gQL.jpg)
Bosch elektronisch geregelter Durchlauferhitzer Tronic Line 15/18/21 kW - umschaltbar druckfest stufenlose Temperaturwahl moderne Glas-Optik weiß [Energieklasse A]
- Price
- €207.48
- Rating
- 4.6/5
- Reviews
- 208
- Age
- 3y ago
STIEBEL ELTRON Neueste Generation Elektronischer Durchlauferhitzer HDB-E 18/21/24 Trend energiesparend dank 2i-Technologie Wunschtemperatur einstellbar 204209
- Price
- €226.91
- Rating
- 4.6/5
- Reviews
- 37
- Age
- 2y ago
Vaillant elektronischer Durchlauferhitzer VED pro 21/8 druckfest 21kW 400V Wasserleistung von 8 l/min drei einstellbare Fixtemperaturen (35C/45C/55C) 0010023794
- Price
- €220.30
- Rating
- 4.6/5
- Reviews
- 223
- Age
- 6y ago
Trending
90-day click momentumSTIEBEL ELTRON Neueste Generation Elektronischer Durchlauferhitzer HDB-E 18/21/24 Trend energiesparend dank 2i-Technologie Wunschtemperatur einstellbar 204209
- Price
- €226.91
- Rating
- 4.6/5
- Reviews
- 37
- Age
- 2y ago
Bosch elektronischer Durchlauferhitzer Tronic 5000 15/18/21 kW umschaltbar druckfest stufenlose Temperaturwahl 400 V moderne Glas-Optik weiß
- Price
- €219.98
- Rating
- 5.0/5
- Reviews
- 11
- Age
- 4y ago
STIEBEL ELTRON elektronischer Kompakt Durchlauferhitzer DCE 11/13 kW für die Küche Made in Germany Festanschluss 400 V solargeeignet Untertischmontage VDE geprüft 230770
- Price
- €189.82
- Rating
- 4.4/5
- Reviews
- 698
- Age
- 11y ago
AEG elektronischer Durchlauferhitzer DDLE Basis 18/21/24 kW umschaltbar stufenlose Temperaturwahl durch 4 Anwendungssymbole Festanschluss 400V VDE geprüft 222390
- Price
- €217.45
- Rating
- 4.6/5
- Reviews
- 504
- Age
- 17y ago
Thermoflow Elex 18 Durchlauferhitzer druckfest/Leistung: 18 kW / 400 V/Warmwasserbereiter 55 C/G 1/2 Anschluss / 10L/min/Durchlauferhitzer für Waschtisch Bad oder Küche / ELEX18
- Price
- €151.03
- Rating
- 4.0/5
- Reviews
- 291
- Age
- 9y ago
Newest
by launch date
ThermoMate ET210 Elektronischer Durchlauferhitzer 21kW 400V druckfest gradgenaue Auslauftemperatur stufenlos einstellbar 30-60 LED Anzeige
- Price
- €231.32
- Rating
- 4.6/5
- Reviews
- 8
- Age
- 1y ago
Veito Blue E - Voll Elektronischer Durchlauferhitzer 21KW - 3 Phasen 400 V - Sofortiges Warmwasser Energieeffizient
- Price
- €201.58
- Rating
- 4.7/5
- Reviews
- 31
- Age
- 2y ago
STIEBEL ELTRON Neueste Generation Elektronischer Durchlauferhitzer HDB-E 18/21/24 Trend energiesparend dank 2i-Technologie Wunschtemperatur einstellbar 204209
- Price
- €226.91
- Rating
- 4.6/5
- Reviews
- 37
- Age
- 2y ago
STIEBEL ELTRON Neueste Generation Elektronischer Durchlauferhitzer DHB 18/21/24 ST Trend Made in Germany gradgenaue Temperaturwahl energiesparend dank 3i Technologie VDE geprüft 204202
- Price
- €250.83
- Rating
- 4.6/5
- Reviews
- 500
- Age
- 2y ago
Bosch elektronisch geregelter Durchlauferhitzer Tronic Line 15/18/21 kW - umschaltbar druckfest stufenlose Temperaturwahl moderne Glas-Optik weiß [Energieklasse A]
- Price
- €207.48
- Rating
- 4.6/5
- Reviews
- 208
- Age
- 3y ago
Competition: brands, sellers & click share
The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.
Brands
8 falling
Sellers
49
Top-5 brand share
96%
Top 20: 100%
Top-5 click share
51%
Top 20: 98%
Open market
3%
- Stiebel Eltron25%
- Bosch Thermotechnik22%
- Vaillant22%
- Thermoflow21%
- AEG6%
- veito2%
- Open — no brand owns it (2 brands, 3%)
Durchlauferhitzer 21kw demand & seasonality
Weekly search volume, with the niche's key stats alongside.
Peak months: Jan, Feb · busiest ÷ quietest = 1.8×
Top Durchlauferhitzer 21kw search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- durchlauferhitzer 21kw39K/yr
- durchlauferhitzer 400v9K/yr
- durchlauferhitzer 21 kw4K/yr
- durchlauferhitzer siemens4K/yr
- siemens durchlauferhitzer 21kw elektronisch3K/yr
What reviews say buyers love and hate about Durchlauferhitzer 21kw
What buyers mention most, as a share of all reviews.
What buyers love
90% of reviews“Top Ware”
“Leichte Installation”
“Super Preis-/Leistung”
“Hält was es verspricht”
“Ist leicht zu bedienen”
What buyers complain about
83% of reviews“Nach eineinhalb Monaten defekt”
“Keine Funktion”
“Noch nicht eingebaut”
“Das Produkt wäre vlt”
“Also kein neues Gerät”
Durchlauferhitzer 21kw return rate & reasons
Why buyers send it back, as a share of all return requests.
3.8%
Return rate
0%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common Durchlauferhitzer 21kw questions
The questions sellers ask about this niche, answered from the tracked metrics.
Related niches
Same-category niches scoring near this one — the next ones worth researching.
Best Flapen score
The highest-scoring niches we track right now, across every category.
