---
title: "Rtl Ventil — €44K/yr Amazon DE Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/de/baumarkt/rtl-ventil"
last_updated: "2026-08-11T05:39:43.549Z"
locale: en
meta:
description: "Niche score 37/100 · €44K/yr market · 27K searches/yr · €83.17 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 37/100 · €44K/yr market · 27K searches/yr · €83.17 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Rtl Ventil — €44K/yr Amazon DE Niche (2026) - Flapen"
---
# **rtl ventil**
**Skip it**
Soft demand (-47.7% this quarter) — this niche doesn't clear our bar today.
Market size 11Growth 1Conversion 25Competition 53Returns 89Price range 45Avg price 81Brand share 13Review moat 98Quality gap 30
**Review moat**
**Incredible****32.73**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Great****1.3%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****€83.17**
avg listing price — sweet spot $15–$100
**Competition**
**Good****53%**
top-5 click share — leaders hold, buyers still browse
**Price range**
**Okay****€25.32–€191.53**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Okay****2.0%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Bad****95%**
top-5 brand share — brand-locked demand
**Market size**
**Bad****€44K**
€44K/yr · 27K searches
**Growth**
**Bad****-47.7%**
90-day search growth — must beat 0% to launch
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=de&signal=low_review_barrier "Top brand's reviews < 500") [** High Price**](https://flapen.com/research/niches?market=de&signal=high_price "Avg price > $50")
According to Flapen's Amazon Germany niche tracking, rtl ventil is a €44K/yr Amazon Germany market (27K searches/yr). The top 5 brands hold 95% of demand. Demand peaks in Jan–Feb–Oct–Nov. Verdict: Skip it — 37/100.
Data updated Jul 8, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **rtl ventil market data**
- **Units sold / yr**
- **500–750**
- avg 0–100/product
- **Revenue / yr**
- **€42K–€62K**
- units × avg price
- **Conversion rate**
- **2.0%**
- **Avg BSR**
- **#625**
- **Page quality**
- **0%**
- **Prime**
- **23%**
- **Sponsored**
- **27%**
- **Out of stock**
- **0.6%**
- **Avg brand age**
- **58 months**
- **Avg seller age**
- **204 days**
## **Competition & brand share**
The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**8 **—flat
**Sellers**
**47**
**Top-5 brand share**
**95%**
Top 20: 100%
**Top-5 click share**
**53%**
Top 20: 98%
**Open market**
**3%**
- ESCO30% - Oventrop25% - AQUA HEATING15% - Heimeier15% - HoWaTech9% - Simplex3% - Open — no brand owns it (2 brands, 3%)
## **Demand & seasonality**
Weekly Amazon search volume, last 81 weeks — -47.7% search growth over the last 90 days.
900700Spike '25Prime Day '25Black Friday '25 seasonJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Jan, Feb, Oct, Nov · busiest ÷ quietest = 2.7×
[**Open Trend **](https://flapen.com/research/de/baumarkt/rtl-ventil/trend)
## **Top rtl ventil search terms**
- **rtl box fussbodenheizung**5K/yr-34.4%2.7% conv. - **rtl ventil**7K/yr-52.9%1.7% conv. - **rtl ventil für fußbodenheizung**6K/yr-58.0%2.2% conv. - **rtl box**4K/yr-32.8%2.4% conv. - **rücklauftemperaturbegrenzer**4K/yr-55.8%1.8% conv. [**All search terms **](https://flapen.com/research/de/baumarkt/rtl-ventil/search-terms)
## **Top rtl ventil 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%€2K10%€4K15%€7K20%€9K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)2 products missing review or click data not plotted
All 22 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Oventrop Rücklauftemperaturregelung Unibox RTL vario**Oventrop**€69.47**4.6★120 rev](https://www.amazon.de/dp/B085WFHGWY) [2**AQUA HEATING Thermostatventil Heizungsthermostat für Fußbodenheizung RTL Box H1070 Raumtemperaturregler Fussbodenheizung mit Rücklauftemperaturbegrenzer Temperaturregler Fussboden**AQUA HEATING**€68.21**4.7★20 rev](https://www.amazon.de/dp/B0BRL6WM63) [3**RTL BOX Ventil Einzelraumregelung Unibox Fußbodenheizung Regelbox Unterputz 3/4**ESCO**€56.80**4.8★37 rev](https://www.amazon.de/dp/B09DL8MJZN) [4**RTL box Unibox 3/4 Rücklauftemperaturbegrenzer Thermostat Ventil Fußbodenheizung**ESCO**€61.53**4.7★60 rev](https://www.amazon.de/dp/B09DL7B8FY) [5**Oventrop Unibox T-RTL Thermostat RTL weiß**Oventrop**€116.49**4.8★67 rev](https://www.amazon.de/dp/B085WGRN9J)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**RTL-BOX-3 Rücklauftemperaturbegrenzer RTL für Fußbodenheizung 3/4 2050C weiß-creme**ESCO**€56.93**0 rev10mo ago](https://www.amazon.de/dp/B0FPLZ4Q6L) [**RTL Ventil Rücklauftemperaturbegrenzung RTL-Box7 Unibox/Regelbox Topmeter**ESCO**€61.53**7 rev1y ago](https://www.amazon.de/dp/B0DZPCF9H5) [**Rücklauftemperaturbegrenzer RTL für Warmwasser Fußbodenheizung RTL Ventil 1/2 Durchgang**HoWaTech**€38.90**3 rev2y ago](https://www.amazon.de/dp/B0CQCPNTTB) [**Regelbox mit RTL Ventil Rücklauftemperaturbegrenzer für Warmwasser Fußbodenheizung**HoWaTech**€68.49**0 rev2y ago](https://www.amazon.de/dp/B0CQCPCYRM) [**AQUA HEATING Thermostatventil Heizungsthermostat für Fußbodenheizung RTL Box H1070 Raumtemperaturregler Fussbodenheizung mit Rücklauftemperaturbegrenzer Temperaturregler Fussboden**AQUA HEATING**€68.21**20 rev3y ago](https://www.amazon.de/dp/B0BRL6WM63)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Regelbox mit RTL Ventil Rücklauftemperaturbegrenzer für Warmwasser Fußbodenheizung**HoWaTech**€68.49**0.0★**▲ 101%**](https://www.amazon.de/dp/B0CQCPCYRM) [**RTL-BOX-3 Rücklauftemperaturbegrenzer RTL für Fußbodenheizung 3/4 2050C weiß-creme**ESCO**€56.93**0.0★**▲ 66%**](https://www.amazon.de/dp/B0FPLZ4Q6L) [**HoWaTech E-Regelbox | RTL Ventil für Warmwasser Fußbodenheizungen**HoWaTech**€157.31**4.4★**▲ 49%**](https://www.amazon.de/dp/B01M8MUJW4) [**Oventrop Unibox T-RTL Thermostat RTL weiß**Oventrop**€116.49**4.8★**▲ 44%**](https://www.amazon.de/dp/B085WGRN9J) [**HoWaTech E-Regelbox Digital | elektrische Temperaturbegrenzung für Warmwasser Fußbodenheizung**HoWaTech**€191.53**3.8★**▲ 42%**](https://www.amazon.de/dp/B01M3UG71K)
**~~View all trending →~~**
## **What buyers say about rtl ventil**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Montage/Installation**31%
*“Unproblematisch zu installieren, macht was er soll”*
**Qualität insgesamt**19%
*“Super Qualität”*
**beworben Vs Tatsächliches Produkt**17%
*“Funktioniert wie erwartet”*
**Preis-Leistungs-Verhältnis**17%
*“Top für den Preis”*
**Funktionalität insgesamt**13%
*“Super funktion”*
**Effizienz**4%
*“Funktioniert einwandfrei”*
### **Top return reasons **
**Gesamtgröße**46%
**Qualität insgesamt**14%
**Defekt Material/Teile**11%
**Produktzustand**7%
**Kompatibilität – insgesamt**7%
**Montage/Installation**4%
**Geräuschpegel**4%
**Benutzerfreundlichkeit**4%
**Konnektivität – insgesamt**4%
## **Common questions**
- **Is rtl ventil profitable to sell on Amazon Germany?**
- The niche generates €44K/yr across 22 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -47.7%. Flapen's verdict: Skip it (37/100).
- **How competitive is the rtl ventil niche?**
- 8 brands and 47 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 95% of demand.
- **When does demand for rtl ventil peak?**
- Demand peaks in Jan–Feb–Oct–Nov; the busiest month runs 2.7× the quietest.
- **What does it cost to enter the rtl ventil niche?**
- Listings span €25.32–€191.53; the average listing price is €83.17 (sweet spot $15–$100). The average incumbent carries 33 reviews — the moat a new listing must climb.
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