If you want to keep the air in your home clean and fresh this winter without it drying out, you need a starting place — what is your air quality like right now?
It’s really hard to tell if your air quality is bad because of too much carbon dioxide or humidity problems until people start having health issues or you purchase an expensive dehumidifier. But Switchbot has a new way to keep track your air, and it’s the easiest thing I’ve ever seen.
This affordable, tiny monitor tracks temps, carbon dioxide levels, humidity and more right out of the box. You can position it anywhere in your house to check on how air quality shifts in the kitchen, if your fireplace is making things worse in the living room or if the kid’s room has healthy air at night…all for around $50 with current discounts.
As I tested the Meter Pro with carbon dioxide monitoring, I found some air quality surprises in my own home, learned what the app can do and was surprised by how easy the smart meter was to use.
A smart air quality monitor for any spot in your home
Switchbot’s Meter Pro with carbon dioxide monitoring can work indoors or outdoors (or both with the right add-on), but the carbon dioxide feature makes it a much better indoor option. You can also move it to specific spots where you’re worried carbon dioxide may be higher. The monitor works by showing you parts per million, a common method to measure carbon dioxide particles in the air, and updates itself regularly. Housed inside is an NDIR Swiss monitoring sensor, and it appeared to be very accurate during my testing.
If you’re using the standalone device, it’s effortless to set up. I unboxed the meter, pulled out the battery tab to activate the battery, and it immediately started displaying nearby air quality.
You’ll note in my photos that by default the temperature appears in Celsius, but that’s no problem. A small button on the top of the meter let me switch between Celsius and Fahrenheit instantly. The hardest part was deciding where to put it.
Making sense of air quality numbers
During testing I moved the SwitchBot Meter Pro frequently, positioning it on various counters and tables to see how it changed. I quickly learned the carbon dioxide levels in my home were close to the maximum acceptable level — anything above 1,000 ppm and it’s time to consider making changes like more ventilation or air purification. That’s where our lab-tested recommendations can shine.
The high numbers weren’t entirely surprising. When I tested, we were in the tail end of smoke season here on the West Coast and the air outside was still relatively smoky, something that has a major impact on carbon dioxide levels, even indoors. Also, my home uses natural gas for both fireplace heating and cooking, another factor that bumps up carbon dioxide numbers.
As regional fires died down, air quality in my home notably improved, with PPM declining to 600 to 700 ppm. It was even better in some other homes where I brought it for a quick test, indicating there may still be work for me to do to improve air quality.
In addition to temperature and carbon dioxide levels, the meter monitors humidity (my ranges in the high desert were pleasantly comfortable during the wetter fall season) and shows you the current weather. That makes it a nice hub for a quick view of what’s going into your lungs.
Add a mini hub for more control and better battery life
Connecting the app via Bluetooth opened a world of possibilities — well, once I created an account and applied numerous firmware updates, anyway.
Using the app, I could adjust how often the meter updates to save on battery life. The battery is rated for around 12 months of use and recharges via USB-C, so it’s not a major issue. But I found increasing the frequency of updates let me test air quality more easily with no noticeable drawbacks.
You can use the Meter Pro as is, but it gets a sizable functionality boost with the SwitchBot Hub Mini ($40). My model came with one, so I was able to set it up and connect the SwitchBot app. That enabled some of the more advanced features like notifications and remote monitoring, so it’s a quality-of-life improvement if you want to spend a bit more.
With the hub, the app also lets you set alerts, either via notifications or with sound alarms, based on triggers like when the temperature, humidity or parts per million reaches certain levels. That also lets you do things like get low temperature alerts in rooms (or garages) that are distant from your thermostat so you know when they may need extra heating.
Diving into air quality stats, customization and more
The SwitchBot app isn’t quite finished yet. As I discovered, you can view the local dew point and vapor-pressure deficit, as well as get weather forecasts if you’re willing to provide the app with your address. The app also includes a history chart so you can see patterns over time.
Deeper into settings, even more options emerge. You can recalibrate the temperature and humidity settings if they seem a bit off for your climate, then manually adjust your idea of a “comfort” level to control when the monitor warns of a problem.
The Hub Mini also provides compatibility with common voice assistants, such as Amazon Alexa. That allows you to set up automations with other Alexa-compatible devices, like a smart thermostat or even a humidifier.
While the app does mention the ability to store your long-term air quality data in the cloud for a fee, there’s absolutely no need to do this if you are using only the Meter Pro, so subscriptions aren’t a concern for this monitor.
An air quality monitor for any home
SwitchBot’s Meter Pro with carbon dioxide monitoring is compact, highly portable and accurately measures air conditions in any part of your home with its Swiss-made sensor. Add in the current low cost of $50 to $60 and it’s an ideal monitoring solution for anyone who isn’t sure what the air is like in their home and wants to keep an eye on air quality this winter.
One last note: If you’re interested in purchasing this air quality monitor, make sure you’re choosing the option with carbon dioxide monitoring. SwitchBot has a similar Meter Pro that does everything but monitor carbon dioxide levels. The new version with carbon dioxide monitoring is a much better package, even with the higher price.
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