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COSTWAY QE32717DE Osmoseanlage vs. OsmoFresh Fusion Air Osmoseanlage compared

Reverse Osmosis System

At a glance

The key numbers for both devices side by side.

Overall rating
49Schwach
67Solide
Value for money
25Mediocre
47Okay
Best price
€159.99
€499.00
Price advantage
€339.01 cheaper
—
Offers
1 shop
1 shop
Rank in category
Rank 14 of 15
Rank 11 of 15

Rating

Sub-ratings compared

COSTWAY QE32717DE OsmoseanlageOverall rating 49OsmoFresh Fusion Air OsmoseanlageOverall rating 67
FiltrationperformanceFlowrate & wastewaterInstallationRunningcosts & maintenanceBuildquality & ease of use
COSTWAY QE32717DE OsmoseanlageOsmoFresh Fusion Air Osmoseanlage
Filtration performance56/10080/100
Flow rate & wastewater56/10062/100
Installation62/10076/100
Running costs & maintenance10/10052/100
Build quality & ease of use50/10048/100
Filtration performance
56
80
Flow rate & wastewater
56
62
Installation
62
76
Running costs & maintenance
10
52
Build quality & ease of use
50
48

Specs

Specs compared

Key specs

Model
QE32717DE
Fusion Air
TypeInstallation type according to the manufacturer – under-sink systems connect to the water line under the sink, countertop units sit on the worktop and are filled by hand
Countertop (no installation)
Countertop (no installation)
Flow ratePure water flow rate according to the manufacturer in liters per minute – 400 GPD (gallons per day) equals about 1.05 liters per minute
0.19 l/min
0.9 l/min
Pure-to-waste ratioRatio of pure water to wastewater according to the manufacturer – at 3:1, one liter goes down the drain for every three liters of drinking water; higher is more economical; if there is more wastewater than pure water, enter a decimal, so 1:3 as 0.33
4 :1
2 :1
TankWhether, according to the manufacturer, the unit stores filtered water in a storage tank or filters on demand – the refill tank of a countertop unit does not count here
With storage tank
With storage tank
RemineralizationAccording to the manufacturer, adds minerals such as calcium and magnesium back to the filtered water
Yes
Rejection rateHow much of the dissolved solids (TDS) the membrane retains according to the manufacturer, in percent
95 %

Filter & maintenance

Filter stagesNumber of filter stages according to the manufacturer, including the membrane
5 levels
7 levels
CertificationStandards the unit is certified to according to the manufacturer – only actual certifications, not “tested to the standard”; NSF/ANSI 58 only if the whole system is certified, “certified elements” or “components” do not count
NSF/ANSI 372 (low lead)
Pre-filter replacementRecommended pre-filter replacement interval according to the manufacturer in months
3 months
6 months
Membrane replacementRecommended replacement interval of the reverse osmosis membrane according to the manufacturer in months
6 months
12 months
Filter costCost of replacement filters per year based on the manufacturer’s replacement intervals, in euros
188.8 €/year
Tool-free filter changeAccording to the manufacturer, filters can be changed without tools
Yes
Yes
Standard filterAccording to the manufacturer, the unit uses filters in a standard size (e.g. 10 inches) that other brands also sell – not proprietary cartridges
No
Filter change indicatorAccording to the manufacturer, the unit shows the filter status or when a change is due
Yes
Yes
TDS displayAccording to the manufacturer, displays the water’s TDS value, i.e. the amount of dissolved solids
Yes
UV sterilizationAccording to the manufacturer, a UV lamp additionally disinfects the water
Yes
Yes
Alkaline waterA mineral filter raises the water’s pH according to the manufacturer (alkaline mineralization)
Yes

Hot water & cooling

Hot waterAccording to the manufacturer, the unit dispenses hot water, e.g. for tea
Yes
Max. water temperatureMaximum dispensing temperature according to the manufacturer in °C
95 °C (203 °F)
Heat settingsNumber of selectable dispensing temperatures according to the manufacturer, room temperature included – not the volume settings
13 levels
Child lockAccording to the manufacturer, hot water can only be dispensed after unlocking, e.g. via a key lock or a second press
Yes
Chilled waterAccording to the manufacturer, the unit chills the water before dispensing
No
Power consumption when heatingMaximum power consumption according to the manufacturer in watts, when dispensing hot water – not the power while filtering
2,200 W
Standby powerPower consumption in standby mode according to the manufacturer in watts
0.5 W

Connection & controls

DispensingDispensing point included, according to the manufacturer
None (countertop unit)
None (countertop unit)
Power connection requiredAccording to the manufacturer, the unit needs a power connection, e.g. for the pump – tankless systems usually have a built-in pump
Yes
Yes
Min. water pressureMinimum water line pressure according to the manufacturer in bar – below that, a pump is needed
4 bar (58 psi)
Tank capacityStorage tank volume according to the manufacturer in liters
2 liters (0.53 gal)
1.8 liters (0.48 gal)
Refill tankCapacity of the raw water tank according to the manufacturer in liters – determines how often you refill
5 liters (1.3 gal)
4.7 liters (1.2 gal)

Dimensions & weight

WidthWidth of the unit according to the manufacturer in cm
19 cm (7.5 in)
19.5 cm (7.7 in)
DepthDepth of the unit according to the manufacturer in cm – matters for the space under the sink
44 cm (17 in)
37.3 cm (15 in)
HeightHeight of the unit according to the manufacturer in cm
41 cm (16 in)
38 cm (15 in)
WeightWeight without water according to the manufacturer in kg
6 kg (13 lb)
7.5 kg (17 lb)

General

Warranty
1 years
2 years
Price segment
Premium
Model year
2025
In the box
1 x Umkehrosmose-Wasserfilter, 1 x RO-Filter, 1 x PPC-Filter, 1 x Bedienungsanleitung
Fusion Air, Filter und Membran (vorinstalliert), Außentank, Abtropfschale

Prices

Offers

COSTWAY QE32717DE Osmoseanlage

OsmoFresh Fusion Air Osmoseanlage

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Verdict

Pros & cons

Die COSTWAY QE32717DE ist ein Auftischgerät ohne Heizung, das ohne Installation klar schmeckendes Osmosewasser liefert und mit 4:1 wenig Abwasser erzeugt. Für Mietwohnung oder Büro passt das Prinzip. Der Haken wiegt schwer: Ersatzfilter waren monatelang nicht lieferbar, die Membran ist nach 6 Monaten fällig. Ohne gesicherten Nachschub kaufst du ein Gerät mit Ablaufdatum nach einem Filtersatz.

Pros

  • Läuft ohne Installation, nur Steckdose nötig
  • Sparsames Verhältnis von 4:1 zwischen Rein- und Abwasser
  • Wasser schmeckt klar und frischer als aus dem Hahn
  • Portionstasten für 80, 180, 300 und 500 ml
  • Nur zwei Kartuschen, werkzeuglos zu wechseln
  • UV-Licht bestrahlt das Wasser im Reinwassertank

Cons

  • Ersatzfilter in Deutschland monatelang nicht lieferbar, auch nicht beim Hersteller
  • Nutzung ohne Nachschub nach etwa 6 Monaten beendet
  • Tankventil fest verbaut, Ersatztank nicht als Einzelteil erhältlich
  • Kein Heißwasser, Wasserkocher bleibt nötig
  • Unter tiefen Oberschränken umständlich nachzufüllen

Die OsmoFresh Fusion Air ist ein Auftischgerät ohne Installation, das Leitungswasser zuverlässig weich und mild filtert. Für Singles und Paare in Mietwohnung oder Büro taugt sie gut, auch für Tee per Flex-Taste. Der Haken: Statt 95 °C kommen meist nur rund 80 °C an, vorher läuft kühles Wasser nach. Dazu muss der 4,7-l-Tank jedes Mal ganz geleert werden, und die Herstellerkartuschen sind teuer.

Pros

  • Weiches, remineralisiertes Wasser mit 2,5 °dH, Kalkränder im Wasserkocher bleiben aus
  • Keine Installation nötig, nach rund 20 Minuten startklar
  • Flex-Taste mit 40 bis 90 °C in 5-Grad-Schritten für Tee
  • Abwasserverhältnis 2:1, halb so viel Abwasser wie beim Vorgänger
  • Werkzeugloser Filterwechsel in etwa 5 Minuten mit Wechselanzeige
  • UV-C-LEDs in Innentank und Auslass, Standby unter 0,5 W

Cons

  • Heißwasser kommt mit rund 80 °C statt 95 °C an, erst nach 5 s Vorlauf
  • Tank muss nach etwa 2 l jedes Mal komplett geleert und neu befüllt werden
  • Nach Heißwasser läuft an ungesperrter Taste kurz heißes Wasser nach
  • Nur teure Herstellerkartuschen, Standardfilter passen nicht
  • Tankdeckel und Haken verklemmen leicht, Anschlüsse tropfen beim Tragen

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