Miele Triflex HX3 Hardfloor Cordless Stick Vacuum – Casa Grey

By Miele

Regular price $949.00
Shipping calculated at checkout.
Features That Make Everyday Cleaning Easier

Gentle on the floors you worry about

The soft roller of the Hardfloor Care Tool glides over hardwood and tile and lifts fine dust without the scuffing risk of a stiff brush.

You can see what you are cleaning

BrilliantLight LEDs on the electrobrush throw light across the floor ahead of you, so dust and crumbs on shiny hard floors are easy to spot.

It adjusts so you don't have to

FloorDetect senses whether you are on carpet or a hard floor and changes suction as you cross the room, so rugs get the power they need without you stopping to press anything.

Three shapes for three jobs

The patented 3-in-1 design reconfigures in seconds: Comfort for open floors, Reach for getting under furniture, and Compact as a handheld for stairs, upholstery and the car.

Park it anywhere, mid-clean

The Triflex stands up on its own without a wall bracket, so you can set it down to move a chair or answer the door and pick up where you left off.

Description

Engineered in Germany, the Triflex HX3 Hardfloor is built for homes that are mostly wood, tile and stone. Alongside the MultiFloor XXL SEB 436 electrobrush with BrilliantLight, it adds Miele's Hardfloor Care Tool — a soft roller that sweeps up fine dust and larger debris gently, without scratching delicate floors. Same Digital Efficiency Motor, over 99.99% dust pickup and up to 70 minutes of runtime as every HX3.

Key Features

  • Hardfloor Care Tool — a soft roller for gentle, thorough cleaning of wood, tile and other hard floors
  • Up to 70 minutes of runtime with the removable VARTA lithium-ion battery — 38 minutes on the low setting with the MultiFloor XXL electrobrush running, or 15 minutes on high
  • Over 99.99% dust pickup for a thorough, hygienic deep clean
  • HEPA lifetime filter with 99.999% exhaust air filtration — ideal for allergy and asthma sufferers
  • Patented 3-in-1 design — Comfort, Reach, and Compact modes for any cleaning task
  • FloorDetect technology automatically adjusts suction power for carpet vs. hard floors
  • BrilliantLight LED headlights on the electrobrush reveal hidden dust and debris
  • Boost Mode for fast, high-power cleaning of heavily soiled areas
  • Twist2open dust container empties hygienically with almost zero dust contact
  • Free-standing park position — no wall bracket needed for quick breaks

What's Included

  • MultiFloor XXL SEB 436 electrobrush with BrilliantLight
  • Hardfloor Care Tool (soft roller)
  • HX-AH accessory holder
  • HX-DB dusting brush
  • XL HX-UN upholstery nozzle
  • HX-CN crevice nozzle
  • Wall mount
  • Power supply unit (charger)

Specifications

Weight 8 lbs (3.6 kg)
Dimensions 51⅛" H x 10¼" W x 11" D
Battery 25.2V Li-ion, 2500 mAh (single battery)
Charging time 240 minutes (~4 hrs)
Dust container 0.5 L (0.02 cu ft)
Noise level 74 dB
Cleaning area Up to ~1,720 sq ft (160 m²) per charge
Model 12878480
EAN 4002516922568

Download the full Miele Triflex HX3 Hardfloor spec sheet (PDF, model 12878480)

Good to know

If you also want to mop your hard floors, look at the Triflex HX3 Plus Aqua, which pairs this soft roller with the AquaTwister wet-cleaning attachment and a second battery. If you have a larger home and only need dry cleaning, the Triflex HX3 Plus adds a second battery to everything in this box.

Backed by Miele's manufacturer warranty. Questions before you buy? Our team at Geek Vacuums is happy to help you choose the right setup for your home.

Specs

Model: 12878480 (Triflex HX3 Hardfloor)
Product Type Code: SWDL0
Previous Material Number: 41WDL033USA
EAN: 4002516922568
Color: Casa Grey
Vacuum Type: Cordless stick, bagless
Dry/Wet Cleaning: Dry
Dust Pickup: Over 99.99% (IEC 62885-4:2024)
Filtration: HEPA lifetime filter, 99.999% (IEC 62885-4:2020 / EN 1822-1:2019)
Filter System: ComfortClean
Motor: Digital Efficiency Motor with Vortex Technology
Suction Control: 3 electronic power levels with display, plus Boost Mode
Battery: 25.2V lithium-ion, 2,500 mAh (VARTA, removable)
Batteries Included: 1
Runtime, PowerUnit only (low): 70 minutes
Runtime with electrobrush (low): 38 minutes
Runtime with electrobrush (high): 15 minutes
Charging Time: 240 minutes (approx. 4 hours)
Cleaning Area: Up to approx. 1,720 sq ft (160 m2) per charge
Dust Container Capacity: 0.5 L (0.02 cu ft)
Weight: 8 lbs (3.6 kg)
Dimensions: 51-1/8 in H x 10-1/4 in W x 11 in D
Noise Level: 74 dB
Patent: DE 10 2016 105 475 B4
Made in: Germany

Included Floorheads:
MultiFloor XXL SEB 436 electrobrush with BrilliantLight
Hardfloor Care Tool (soft roller)

Standard Accessories:
HX-AH accessory holder
HX-DB dusting brush
XL HX-UN upholstery nozzle
HX-CN crevice nozzle
Wall mount
Power supply unit
Note: cleaning brush not included

Additional Features:
Patented 3-in-1 design (Comfort, Reach, Compact modes)
FloorDetect automatic suction adjustment
Boost Mode for heavily soiled areas
BrilliantLight LED headlights
Display showing remaining runtime
Twist2open hygienic dust container
Free-standing park position

EMPTY DOM REMOVE PROTECTOR
FAQ's

What does the Hardfloor Care Tool do?

It is a soft roller floorhead designed for hard floors. It picks up fine dust and larger debris in one pass and is gentle on delicate surfaces such as hardwood. The MultiFloor XXL electrobrush is still in the box for carpets and rugs.

How long does the battery last on a single charge?

Miele rates the PowerUnit at up to 70 minutes on its own at the lowest setting. With the MultiFloor XXL electrobrush attached, expect 38 minutes on the low setting and 15 minutes on high. The 25.2V lithium-ion battery is removable and takes 240 minutes, about 4 hours, to fully recharge.

Can the Triflex HX3 Hardfloor mop?

Not out of the box; it is a dry vacuum. The AquaTwister HX-AT 10 wet-cleaning attachment is sold separately and fits every Triflex HX3. If you know you want wet cleaning, the Triflex HX3 Plus Aqua includes both the AquaTwister and this soft roller.

Is it good for allergy sufferers?

Yes. It picks up over 99.99% of dust, and its HEPA lifetime filter provides 99.999% exhaust air filtration under EN 1822-1:2019, so fine particles stay in the machine instead of blowing back into the room.

How is it different from the Triflex HX3 Plus?

The Plus includes the same floorheads and tools plus a second battery, doubling the runtime to up to 140 minutes. If one battery covers your home, the Hardfloor is the better value.

Does it stand up on its own?

Yes. The Triflex parks free-standing without a wall bracket, so you can set it down mid-clean. A wall mount is also included in the box if you would rather store it mounted.

Wet and dry, one Miele

What the Triflex HX3 Aqua does

The Aqua is the Triflex that cleans hard floors wet as well as dry. It vacuums like every other HX3 — same motor, same HEPA Lifetime Filter, same 3-in-1 body — and then the AquaTwister floorhead goes on and it mops. Here is what that looks like day to day.

Up to 70 min
Runtime
1,720 sq ft
Per charge, approx.
8 lbs
Weight
99.999%
HEPA filtration
Miele AquaTwister wet-cleaning a dark hardwood floor on the Triflex HX3 Aqua.
Wet cleaning

Mop your hard floors with the AquaTwister

Take the electrobrush off, click the AquaTwister on, and the same machine mops. Two microfiber AquaPads spin against the floor while the tank feeds them water and Miele FloorClean solution, so dried-on spills get lifted instead of pushed around. Three water levels plus a Boost setting let you go light on sealed wood and heavy on tile and stone.

  • Two rotating AquaPads, washable and reusable
  • Three water levels plus Boost for stubborn spots
  • 17 fl oz of Miele FloorClean concentrate in the box
  • Storage tray included, so the wet head has somewhere to sit
Miele Triflex HX3 Aqua shown in Comfort, Reach and handheld modes.
Three ways to hold it

One machine for floors, ceilings and the car

The motor unit unclips and moves. Down at the bottom in Comfort mode the weight sits near the floor, which is where you want it for everyday vacuuming. Up at the top in Reach mode the wand goes under the bed, behind the couch and into ceiling corners without you holding the heavy end overhead. Pull the wand off altogether and the motor unit is a handheld for stairs, upholstery and the inside of the car.

  • Comfort mode keeps the weight down at floor level
  • Reach mode moves the motor to the top for under and above furniture
  • Handheld mode with dusting brush, XL upholstery nozzle and crevice tool
  • Stands up on its own between rooms, so no wall bracket is needed
Miele Triflex HX3 Aqua vacuuming spilled potting soil from a hard floor.
Dry vacuuming

Miele suction, and a filter you never replace

The MultiFloor XXL SEB 436 electrobrush reads the floor underneath it. FloorDetect steps the brush roller up when you move onto carpet and eases it off on hard floors, so you are not stopping to change a setting every time the flooring changes. BrilliantLight across the front of the head shows you the dust you would otherwise walk past. And what the vacuum picks up stays inside it: the HEPA Lifetime Filter holds 99.999% of exhaust particles and is not sold as a replacement part, because it does not need to be.

  • MultiFloor XXL SEB 436 electrobrush with BrilliantLight
  • FloorDetect adjusts between carpet and hard floors on its own
  • HEPA Lifetime Filter, 99.999% exhaust filtration, nothing to buy again
  • Bin releases and empties without putting your hand in the dust

Runtimes are Miele's ratings for the motor unit at the lowest power setting. With the powered floorhead attached, expect 38 minutes on low and 15 on high.

Full spec comparison

Every model, side by side

All six Triflex HX3 models share the same motor, HEPA lifetime filtration, 0.5-quart bin, FloorDetect, Boost Mode and 3-in-1 body. What separates them is which floorheads and tools come in the box, and whether you get a second battery.

ModelHX3 Plus AquaTriflex HX3 AquaHX3 PlusHX3 Cat & DogHX3 HardfloorYou are viewingTriflex HX3
What it is for
Best forVacuum and mop, whole house Vacuum and mop hard floors Big homes, dry vacuuming Homes with pets Mostly wood and tile Everyday dry vacuuming
Price$1,249 $1,049 $1,099 $999 $949 $849
ColorObsidian Black Obsidian Black Titanium Pearlfinish Obsidian Black Casa Grey Brilliant White
Floorheads included
ElectrobrushMultiFloor XXL SEB 436
with BrilliantLight
MultiFloor XXL SEB 436
with BrilliantLight
MultiFloor XXL SEB 436
with BrilliantLight
MultiFloor XXL SEB 436
with BrilliantLight
MultiFloor XXL SEB 436
with BrilliantLight
MultiFloor XXL SEB 431
no headlight
AquaTwister wet floorheadYes Yes No No No No
Hardfloor Care Tool soft rollerYes No Yes No Yes No
Electro Compact pet brush HX-EC 10No No No Yes No No
Batteries
Batteries included2 1 2 1 1 1
Runtime — motor unit onlyUp to 140 min Up to 70 min Up to 140 min Up to 70 min Up to 70 min Up to 70 min
Runtime — powered floorhead Low / High76 / 30 min 38 / 15 min 76 / 30 min 38 / 15 min 38 / 15 min 38 / 15 min
Cleaning area per charge~3,440 sq ft ~1,720 sq ft ~3,440 sq ft ~1,720 sq ft ~1,720 sq ft ~1,720 sq ft
Also in the box
Dust brush, XL upholstery and crevice nozzleYesYesYesYesYesYes
Accessory holder HX-AHYes No Yes Yes Yes Yes
Wall mount and power supplyYesYesYesYesYesYes
AquaPads2 pads 2 pads No No No No
FloorClean solution17 fl oz 17 fl oz No No No No
AquaTwister storage trayYes Yes No No No No
Wet cleaning and convenience
AquaTwister water levels3 + Boost 3 + Boost No No No No
Self-standingWith Electrobrush With Electrobrush Yes Yes Yes Yes
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Runtimes are Miele's ratings at the lowest power setting. Dust pickup is over 99.99%; HEPA exhaust air filtration is 99.999%.

Not sure which vacuum is best for your home?  We’re happy to help!

Chat with a real Vacuum Geek — 
we’ll help you choose the right model
and let you know the best price.

Not sure which vacuum is right?
We’re happy to help!

Chat with a real Vacuum Geek — 
we’ll help you choose the right model
and let you know the best price.