Xiaomi · AC-M16-SC

Xiaomi Smart Air Purifier 4 (AC-M16-SC), CADR 400 m³/h, 28–48 m²

Name: Xiaomi Smart Air Purifier 4 (AC-M16-SC), CADR 400 m³/h, 28–48 m²
Brand: Xiaomi
SKU: BHR5096GL
Price: 4149 MDL
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Particle CADR: 400 m³/h
Recommended room area, up to: 48 m²
Minimum noise (night mode): 32.1 dB

Xiaomi Smart Air Purifier 4 (AC-M16-SC): particle CADR 400 m³/h, formaldehyde CADR 150 m³/h, 28–48 m² coverage, three-in-one filter (pre-filter, high-efficiency filter, activated carbon), from 32.1 dB(A) in night mode, laser PM2.5 sensor, Wi-Fi and Xiaomi Home.

No separate hub required

Connects to the app directly through the home Wi-Fi router.

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36 specifications from manufacturer documents

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The right choice starts with specifications

Device passport

SKU: BHR5096GL · Document model: AC-M16-SC

Specifications checked against the linked manufacturer documents.Checked 18 October 2026

Operating specifications14

Particle CADR — what it means How many cubic metres of particle-free air (dust, pollen, smoke) the unit delivers per hour at top speed. For the room’s air to be cleaned about 5 times an hour, CADR should be about 5 times the room volume (area × ceiling height).	400 m³/hMeasured to GB/T 18801-2015 (CTIIHEA report No. WCk-21-50475) [1]
Recommended room area, up to — what it means The upper limit of the area stated by the manufacturer; the full range is in the note. Brands calculate area differently, so CADR is the more precise basis for comparison.	48 m²Range 28–48 m², calculated to GB/T 18801-2015 [1]
Formaldehyde CADR — what it means Formaldehyde removal rate — shows how well the sorbent (carbon) filter handles gases and odours. If no value is published, the manufacturer gives no figure for gas removal.	150 m³/h [1]
Filtration stages — what it means Which layers the filtration consists of. HEPA and high-efficiency filters capture fine particles (PM2.5, pollen); activated carbon captures odours and some gases. “High-efficiency” is a particle filter the manufacturer does not call HEPA.	Pre-filter, high-efficiency particle filter, activated carbonThree-in-one filter: primary filter, Xiaomi High Efficiency Filter (electrostatically charged polypropylene; the manufacturer explicitly distinguishes it from a conventional HEPA filter) and activated carbon (500 g). Filter media area 22,000 cm² [2]
Particle filtration efficiency — what it means Share of particles of a given size captured, per the manufacturer; the particle size (e.g. 0.3 µm) is in the note. Particles around 0.3 µm are the hardest for filters to catch, which is why efficiency is usually quoted for them.	99.97%For 0.3 µm particles; filter media tested to GB/T 6165-2021 (CTIIHEA report No. WCv-21-40115) [2]
Filter life — what it means Approximate time until the filter needs replacing, per the manufacturer. Depends strongly on air pollution and daily running hours.	6–12 monthsRemaining filter life is shown on the display and in the app; a genuine filter is recognised by its NFC tag [2]
Replacement filter (model) — what it means Model of the original replacement filter, so you can check the price and availability of consumables in advance.	Xiaomi Smart Air Purifier 4 Filter (M16R-FLP-GL)Cylindrical filter, Φ210 × 293 mm [3]
Minimum noise (night mode) — what it means Loudness at the quietest speed, usually night mode. Matters if the purifier will run in a bedroom: 30–35 dB is a whisper.	32.1 dBIn night mode, dB(A); CTIIHEA report No. WCk-21-50475 [2]
Maximum noise — what it means Loudness at top speed, where the unit reaches its stated CADR. 60–65 dB is roughly normal conversation.	64 dBAt most 64 dB(A) [1]
Ioniser — what it means Whether there is a negative-ion generator. Manufacturers list it as an extra feature; whether it can be switched off is in the note.	YesThe negative-ion generator is on by default; it can be switched off in the app [1]
Filter media area	22 000 cm² [2]
Activated carbon mass	500 g500,000 mg per Smartmi Lab data [2]
Air intake	All-round, 360° [2]
Genuine filter recognition	YesAn NFC reader (13.56 MHz) reads the tag on the filter; a warning appears on the display for a non-genuine filter [1]

Measurement and detection1

Air quality sensors — what it means What the unit measures itself. Auto mode uses these readings: speed goes up when air is polluted and down when it is clean.	PM2.5, Temperature, HumidityLaser particle sensor (PM2.5) and a temperature and humidity sensor [1]

Control and features2

Air quality display — what it means Whether the housing shows the pollution level: by colour or with exact figures (for example PM2.5 in µg/m³).	Numeric displayThe round display shows PM2.5 (µg/m³), temperature and humidity; colour indicator: green 1–20, yellow 21–35, orange 36–55, red >55 µg/m³. Brightness: on, dim, off [1]
Child lock — what it means Locks the on-device buttons so a child cannot change the mode or switch the unit off.	YesToggled by holding the mode button for 7 s, or in the app [1]

Power5

Rated power — what it means The rated or maximum power draw from the spec sheet. It sets the load on the socket and the energy use.	30 W [1]
Power source — what it means Where the device gets its power: 230 V mains, an adapter, USB, batteries or a built-in battery.	230 V mains [1]
Supply voltage — what it means The supply voltage (and current, if stated) as the maker gives it. It must match your mains or adapter.	100–240 V~, 50/60 Hz [1]
Standby power — what it means How much power the device draws on its own while idle. It matters for devices that run around the clock.	2 WAt most 2.0 W in networked standby (entered within 20 min); at most 0.5 W in off mode [1]
Off-mode power consumption	0.5 WAt most 0.5 W [1]

Connectivity and compatibility7

Connectivity — what it means The wireless link or network the device uses. Wi-Fi connects straight to the router; Zigbee, Thread and Bluetooth Mesh work through a hub or gateway.	Wi-FiWi-Fi IEEE 802.11 b/g/n, 2.4 GHz. Bluetooth is used only for initial network setup; NFC (13.56 MHz) only for filter recognition [1]
Hub required — what it means Whether the device needs a separate hub, gateway or coordinator to work in a smart home. If so, it is sold separately unless stated otherwise.	No hub neededConnects to the app directly through the home Wi-Fi router [1]
Matter support — what it means Whether the device supports the Matter standard, directly or through a bridge. Matter lets you add it to Apple Home, Google Home, Alexa and Home Assistant.	Not stated by the manufacturer
Home Assistant — what it means How the device connects to Home Assistant: a built-in integration, a Zigbee coordinator, Matter or the maker’s cloud integration.	Built-in integrationModel AC-M16-SC (zhimi.airp.mb5) is listed in Home Assistant's built-in “Xiaomi Home” integration (xiaomi_miio, local polling; needs the device token). It also works through Xiaomi's official Xiaomi Home integration (ha_xiaomi_home), via Xiaomi Cloud [4]
Voice assistants — what it means Which voice assistants the module works with, per the maker. Commands like 'turn on the air conditioner' go through the cloud, so internet access is needed.	Amazon Alexa, Google AssistantRequires a speaker or device with the voice assistant (sold separately); availability depends on country and language [2]
App — what it means The maker’s app used to set up and control the device.	Xiaomi Home (Mi Home)In Europe the app is called Xiaomi Home. In the app: remote control, timer, manual mode by room area, ioniser, filter life [1]
Works without internet — what it means Whether the device keeps working over the local network or through a hub when the internet is down. Cloud features (remote access, voice assistants) need the internet.	YesHome Assistant's built-in integration controls the device locally over the MiOT protocol; the Xiaomi Home app works via the cloud [4]

Housing and installation4

Dimensions (W × H × D) — what it means The device’s size in millimetres as the maker states it. Check that it fits the wall box, niche or shelf.	250 × 250 × 555 mmHeight is 555 mm [1]
Weight — what it means The device’s weight without packaging, per the maker.	5400 gApprox. 5.4 kg per the user manuals (EU 2025 and UK); the mi.com specs page lists approx. 5.6 kg [1]
Certifications — what it means Standards and certifications the maker lists for this model (for example CE, RoHS, Zigbee 3.0, Matter).	TÜV Rheinland Allergy Care; compliant with Directive 2014/53/EU [2]
Clearance from walls and objects	20 cmRecommended distance between the air inlets and walls or other objects [1]

Model and version1

Manufacturer	Beijing Smartmi Electronic Technology Co., Ltd. (for Xiaomi) [1]

Operating conditions2

Storage temperature	−10…40 °C [1]
Storage humidity	5–90% [1]

Package contents1

Package contents — what it means What comes in the box, per the maker.	Air purifier, filter, power cable, user manual [5]

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