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Airthings Wave Mini review

Airthings Wave Mini Indoor Air Quality Monitor

By Tom Calder

Our verdict · Researched
3.3 / 5

This is a VOC-and-damp device rather than an air quality monitor in the general sense: no radon, no CO2, no particulates and emphatically no carbon monoxide. Its Mould Risk Indicator is a 0–10 score calculated from temperature and humidity, not a measurement of mould or spores. It is the cheapest way into the Airthings app, but you are paying close to Aranet4 money for considerably less sensing.

Best for
A damp-prone bathroom, utility room or bedroom where humidity and airborne chemicals are the actual question.
Skip it if
You want to know when to open a window
Amazon.co.uk price
as of 5 Nov 2026, 01:07 GMT · DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.co.uk at the time of purchase will apply to the purchase of this product.
In stock
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Researched, not used. We haven't used this product. This review is built from the maker's specifications, owner reports and our own sizing.

What we like

  • Cheapest route into the Airthings app, with proper history graphs
  • 3x AA lasts a claimed two years-plus, or three years-plus via SmartLink
  • Mould Risk Indicator condenses temperature and humidity into one number you can act on

Worth knowing

  • Measures the least of anything here — no radon, no CO2, no PM2.5 and no carbon monoxide
  • The Mould Risk Indicator is calculated from temperature and humidity, not a mould or spore measurement
  • No screen, and SmartLink access requires a View-series monitor acting as a hub

ⓘ As an Amazon Associate, PreparedBritain earns from qualifying purchases. We may earn a commission when you buy, or a fee when you request a quote, through our links. When two products are close, commission can decide which one we pick. A clearly better product always wins. Amazon prices come from Amazon's own product data and show the date and time they were retrieved. Prices at other retailers are checked by us, less often. Prices and stock can change at any time, so always check the retailer's price before you buy.

Who shouldn't buy this

Don't buy it if you want to know when to open a window — the Aranet4 Home measures CO2 and this does not.

Key specs

MeasuresVOCs, temp, humidity, calculated mould risk. No radon, CO2, PM2.5, CO.
DisplayNo screen — wave your hand for a red/yellow/green glow
ConnectivityBluetooth to app; SmartLink needs a View-series hub (extra)
Power3x AA — over 2 years claimed, over 3 years via SmartLink
How this review works

This is a Researched review: we haven't used this product. We check every specification against at least two independent sources, re-check the UK price on a schedule where we can track it automatically, and say plainly who it isn't for. Commissions never change a rating.

How we review →Full methodology →

If this isn’t the one

Airthings View Plus (2960) Radon & Indoor Air Quality Monitor
Airthings View Plus (2960) Radon & Indoor Air Quality Monitor
4.6

Best for One device covering radon, particulates and CO2 in the same room, with a screen you can actually read.

in stock when checked
as of 5 Nov 2026, 01:07 GMT · DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.co.uk at the time of purchase will apply to the purchase of this product.
Read the review →
Aranet4 Home Wireless Indoor CO2 & Air Quality Monitor
Aranet4 Home Wireless Indoor CO2 & Air Quality Monitor
4.5

Best for Knowing, from the other side of the room and without touching your phone, when to open a window.

in stock when checked
as of 5 Nov 2026, 01:07 GMT · DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.co.uk at the time of purchase will apply to the purchase of this product.
Read the review →
Airthings Wave Plus Radon & Indoor Air Quality Monitor
Airthings Wave Plus Radon & Indoor Air Quality Monitor
4.0

Best for Radon and CO2 monitoring in a home that already has, or is willing to add, an Airthings hub.

in stock when checked
as of 5 Nov 2026, 01:07 GMT · DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.co.uk at the time of purchase will apply to the purchase of this product.
Read the review →
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