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Last updated June 2026

Airthings Wave Mini

3.9
1,111 ratings
Launch Year: 2019

Model: 292

$89.99
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Our review

Airthings Wave Mini Review: A Cheap VOC, Humidity and Mold-Risk Monitor

An affordable, accurate monitor for VOCs, temperature, humidity and mold risk, undercut by a clunky Bluetooth-only app and no CO2 or radon.

The verdict

The Airthings Wave Mini is the entry-level monitor in Airthings' lineup, tracking VOCs (airborne chemicals), temperature and humidity, plus a mold-risk indicator that most monitors lack. It is cheap, small and accurate enough to catch things like candles, cooking and human occupancy raising VOCs, and owners use it as a low-cost sensor for extra rooms. It connects over Bluetooth only (no Wi-Fi), so without an Airthings hub or a View Plus to act as a hub, it does not record continuously or sync remotely. The most common complaint is the app and syncing: it is slow to update, drops the connection, and its graphs average out spikes beyond the last 48 hours, which frustrates anyone trying to track a specific problem in real time. It does not measure CO2, radon or particulates. As a budget VOC-and-mold sensor in an Airthings setup, it is decent value if you accept the connectivity and app limits.

Best for
  • Budget VOC and mold monitoring
  • Extra rooms in an Airthings setup
  • Humidity and mold-risk tracking
  • Airthings hub owners

Pros

  • Cheapest Airthings monitor; good value as an extra-room sensor
  • Tracks VOCs, temperature, humidity and a mold-risk indicator
  • Accurate enough to catch candles, cooking and occupancy raising VOCs
  • Excellent battery life and small, easy setup
  • Connects to a hub or View Plus to feed one app; useful web dashboard
  • Works with Google Home, Alexa, Home Assistant and IFTTT; good support

Cons

  • Bluetooth only: needs an Airthings hub or View Plus for continuous, remote data
  • App is slow and clunky, with frequent disconnects and missed time
  • Graphs average out spikes beyond 48 hours, with no zoom or pan
  • No CO2, radon or particulate sensing
  • A couple of units disagreed side by side before a firmware fix
  • No Apple HomeKit, SmartThings or Matter

Who is the Airthings Wave Mini for?

This is the most basic and affordable Airthings monitor, for people who want to track airborne chemicals and dampness in a room without paying for the full sensor suite. It measures VOCs (TVOCs), temperature and humidity, and adds a mold-risk indicator (derived from humidity and temperature) plus a seasonal pollen reading for your area, but it does not measure CO2, radon or PM2.5 particulates. It connects over Bluetooth only (no Wi-Fi), runs on batteries, and pairs with the Airthings app and web dashboard for history. It works with Google Home, Amazon Alexa, Home Assistant and IFTTT (no Apple HomeKit, SmartThings or Matter). To get continuous, always-on recording and remote access, you need an Airthings hub or a View Plus that acts as one; on its own it only updates when you open the app over Bluetooth. It best suits budget buyers, people adding cheap sensors to extra rooms in an existing Airthings setup, and anyone focused on VOCs, humidity and mold.

What buyers love

Value is the main draw: it is the cheapest way into the Airthings system and a handy secondary sensor for rooms that do not need the full feature set. Owners find it accurate and revealing, watching VOCs jump when they blow out candles, cook, or simply occupy a room, with readings that line up with their air purifiers going red. The mold-risk and humidity tracking is genuinely useful in basements and damp rooms, and the seasonal pollen reading is a nice extra. Battery life is excellent (one owner reported 96 percent after six months), the unit is small and easy to set up, and it connects neatly to a View Plus or hub to feed one app. The web dashboard is praised as better than the phone app for viewing history, and several owners single out Airthings' responsive customer support, including a firmware fix for early accuracy issues.

What to know before you buy

The app and connectivity are the weak points, and the reason for its middling rating. It is Bluetooth-only, so it needs an expensive Airthings hub (or a View Plus acting as a hub) for continuous recording and remote access; without one, data only updates when you open the app nearby. Owners describe the app as clunky and slow, often taking five to ten minutes to sync even after pressing sync, freaking out if Bluetooth is off, and dropping the connection so it misses chunks of time. The graphs draw heavy criticism for averaging readings over 48-hour, weekly, monthly or yearly windows with no zoom or pan, so spikes older than two days get smoothed away, frustrating anyone hunting a specific source. It does not measure CO2, radon or particulates, which many owners wish it did (a unified sensor is a common request), and a couple saw two units side by side disagree before a firmware update. There is no Apple HomeKit, SmartThings or Matter.

Is the Airthings Wave Mini worth it?

As a cheap VOC, humidity and mold-risk sensor, it is reasonable value, especially as an extra room sensor in an Airthings system you already run with a hub or View Plus. It is accurate enough to flag problems and nudge you to ventilate or run a purifier, and its mold tracking is a real plus. But temper expectations around the app and connectivity: the Bluetooth-only design, slow syncing and spike-averaging graphs make it poor for chasing a real-time problem, and it lacks CO2, radon and particulate sensing. If you want detailed, real-time, remotely-accessible air data, step up to the View Plus; if you just want an affordable VOC-and-mold check in a room and already have an Airthings hub, the Wave Mini does the job.

Frequently asked questions

What does the Wave Mini measure?

VOCs (airborne chemicals), temperature and humidity, plus a mold-risk indicator and a seasonal pollen reading for your area. It does not measure CO2, radon or PM2.5 particulates; other Airthings models cover those.

Does it have Wi-Fi?

No. It is Bluetooth-only, so on its own it updates only when you open the app nearby and does not record continuously. For always-on recording and remote access you need an Airthings hub, or a View Plus that acts as a hub.

Why is the app so slow to update?

Because it syncs over Bluetooth, the app can take several minutes to refresh even after you press sync, and it can drop the connection. Owners also criticize the graphs for averaging readings over long windows, which hides older spikes, making it weak for tracking a problem in real time.

Does it detect mold?

It provides a mold-risk indicator based on humidity and temperature, which is unusual among air monitors and useful in basements or damp rooms. It flags conditions favorable to mold rather than detecting mold spores directly.

How does it compare to the View Plus?

The Wave Mini is cheaper and measures only VOCs, temperature, humidity and mold risk over Bluetooth. The View Plus adds radon, CO2 and PM2.5, has Wi-Fi for remote access, and can act as a hub for the Mini. Choose the Mini as a budget or secondary sensor, the View Plus as your main monitor.

At a glance

Summary

Everything this air quality monitor supports, grouped by category.

Size & Materials
3.1 × 3.1 × 1 in (80 × 80 × 26 mm)4.8 oz (135 g)
Connectivity
Bluetooth
Integrations
Google HomeAlexaHome AssistantIFTTT
Sensors
TVOCTemperatureHumidity
Alerts
Temperature AlertsHumidity AlertsAir Quality Alerts
Features
History Records

Price History

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Company
Airthings logo

Airthings

4.2/ 5 avg ratingNorway flagHeadquartered in Norway

Airthings is a Norwegian company specializing in indoor air quality and radon monitoring for homes and businesses. Its sensors measure radon, CO2, particulate matter, humidity, temperature and airborne chemicals, syncing the data to a mobile app and dashboard. Airthings is a popular choice for people concerned about long-term radon exposure and overall indoor air health.

Full specifications

Every spec, organized

Browse the full breakdown by category. Tap the on any row for what it means, or the for sources and documentation.

Size & Materials

Weather Resistance

NO

Dimensions

3.1 × 3.1 × 1 in (80 × 80 × 26 mm)

Weight

4.8 oz (135 g)

Power

Wired

NO

Battery Type

3x AA

Battery Life

2 years

Connectivity

2.4 GHz WiFi

NO

5 GHz WiFi

NO

Ethernet

NO

Bluetooth

YES

Z-Wave

NO

Zigbee

NO

Thread Protocol

NO

Other

YES

SmartLink (connects to Airthings Hub for 24/7 online data)

Display

Screen

NO

Screen Type

-

Color Screen

-

Touch Screen

-

Screen Size

-

Screen Resolution

-

Integrations

Google Home

YES

Alexa

YES

Apple HomeKit

NO

Samsung SmartThings

NO

Home Assistant

YES

IFTTT

YES

Matter

NO

Sensors

TVOC

YES

PM0.1

NO

PM0.3

NO

PM1

NO

PM2.5

NO

PM10

NO

CO

NO

CO2

NO

NOx

NO

Radon

NO

Temperature

YES

Humidity

YES

Atmospheric Pressure

NO

Ambient Light

NO

UV

NO

Occupancy

NO

Ambient Noise

NO

Alerts

Temperature Alerts

YES

Humidity Alerts

YES

Air Quality Alerts

YES

Low Battery Alerts

?

Features

Automations

YES

History Records

YES

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