Airthings Wave Mini, fingers on: A easy however efficient indoor air high quality monitor Evaluate

Given the period of time we have been spending indoors, with computer systems and sport consoles on extra usually, you is perhaps questioning in regards to the air high quality in your house. Airthings has a variety of sensible air high quality displays, and we have seemed on the compact, battery-powered Wave Mini (£69/$79.99), which not too long ago added mould detection to its different air-quality sensors.

The Wave Mini is, because the title suggests, smaller than the Wave Plus (£239/$229.99) and does barely much less. The Wave Plus has sensors for temperature, humidity, air strain, CO2, radon and Risky Natural Compounds (VOCs) — which could possibly be chemical compounds from paint, cleansing merchandise, reminiscence foam mattresses, printers, plastic in a brand new gadget or glue in new furnishings off-gassing while you first unpack it — and, mockingly, air fresheners. However VOCs cowl a reasonably wide selection of chemical compounds: the formaldehyde in MDF furnishings and methane from compost heaps, or rotting particles in a pipe, but additionally the acetone in nail polish remover. VOCs can come from scented candles and — judging by the day by day readings from placing the Wave Mini in a rest room — bathe gel. 

Airthings’ Wave Mini measures humidity, temperature and VOC ranges, in addition to calculating whether or not the room is susceptible to mould.

Pictures: Airthings

Excessive ranges of VOCs can irritate your eyes, nostril and throat, offer you a headache or make it exhausting for asthmatics to breathe. In addition they have long-term well being dangers, so it is helpful to know if there is a build-up. In lots of instances the reply is to enhance air flow. That is additionally find out how to cope with excessive humidity, though you additionally don’t need the humidity to drop too low, as that may trigger complications or make it simpler to catch a virus (trendy buildings with sealed home windows and air-con usually have decrease humidity ranges). 

In case you’re in an space the place radon is a danger (it seeps out of granite), you seemingly have already got a radon detector, however it’s helpful to have the ability to monitor it over time, and there is an audible radon alarm on the Wave Plus. 

The Wave Mini solely measures humidity, temperature and VOC ranges, in addition to calculating whether or not the room is susceptible to mould. We examined the latter in a rest room that had as soon as had a mould downside; this was handled by bettering air flow and making use of mould-resistant primer and paint, however it was reassuring to see that the mould danger rating remained low. The Wave Mini is just not detecting the presence of mould although; simply whether or not the circumstances are proper for mould to develop rapidly.  

This can be a software program replace that works on current Wave Mini models, however not on the Wave or Wave Plus fashions. Airthings informed us that is as a result of these fashions have radon sensors (which the Mini does not); the radon sensors are delicate to excessive humidity and might turn into broken if uncovered to humidity ranges larger than 80%, so it does not make sense to encourage clients to place them in rooms with sufficient humidity for mould to be a priority. 

Prime ZDNET Opinions

Not one of the Airthings Wave fashions measure particulates, that are one other airborne well being concern. Nevertheless, there is a pollen report within the app primarily based in your present location, and you may see exterior air high quality on your space, which incorporates predicted particulate ranges. 


Preserve tabs on air high quality — inside Bluetooth vary — through Airthings’ cellular app.

Pictures: Mary Branscombe / ZDNet

Easy however native 

The Wave Mini is easy to put in as a result of it pairs to the app on a smartphone over Bluetooth, after which spends every week amassing readings to calibrate itself. You may mount it on the wall or prop it up with a snap-on stand, and also you’re supposed to position it three toes away from any home windows or vents. Nevertheless, it is best to put it closest to the place you are apprehensive about mould, even when that is the window. 

In case you’re involved in regards to the air high quality at any given second, you possibly can wave your hand in entrance of the sensor (therefore the title) and it lights up: inexperienced for good air high quality, yellow for common, and crimson if there are excessive ranges of contaminants. You too can ask Google Assistant for an air high quality report. However particularly for humidity and mildew (and radon you probably have the Wave Plus), it is extra helpful to take a look at the patterns of air high quality over time, which you are able to do through the cellphone app or internet dashboard. The principle distinction is that the cellphone app has separate views for every measurement and stuck ranges (2 days, every week, a month and a yr), whereas the dashboard exhibits you all of the charts collectively, and you may choose a customized interval, or export the info in CSV format.

There is not any built-in manner to make use of these measurements to regulate different gadgets in your house immediately. There’s an IFTT channel, so you will get notifications of adjustments in air high quality by electronic mail or textual content, however there aren’t the identical applets to hook up with different sensible house gadgets like WeMo sensible plugs (maybe to activate a fan or an air air purifier) as there are for the Wave Plus. And since the Wave Mini connects over Bluetooth, your cellphone must be in vary, until you additionally spend money on the Hub (£69/$79.99), which you’d want for distant monitoring. 

The Wave Mini will not robotically resolve any air high quality points — it may possibly’t pinpoint the trigger, simply the degrees of what the sensors can measure. However for those who’re making an attempt to enhance air high quality in a house or workplace (or discover out whether or not adjustments you have already made to air flow are efficient), it might show helpful. 

Companies searching for extra complete understanding of air high quality may be taken with Airthings’ Wave Mini for Enterprise, which makes use of readings from its CO2, temperature and humidity sensors to foretell air flow fee, room occupancy and the survival charges for viruses within the present circumstances, calculated as an total danger degree for microdroplet ranges of any airborne virus. 


Airthings Wave Plus: Indoor air high quality monitor that additionally warns you for those who’re inhaling lethal radon fuel

Netatmo Wholesome Dwelling Coach, First Take: A trendy and usable air high quality monitor

Foobot, First Take: A versatile and helpful air high quality monitor

How the pandemic revealed the sensible house paradox

IoT: Meet the pc scientist making the sensible house a extra useful place to dwell

Learn extra evaluations