Filtrete smart air filter

Filtrete smart air filter DEFAULT

IoT Smart Air Filters Powered by a Smart App & Alexa Skill


Working in lock-step with the 3M Filtrete™ team, ArcTouch designed and developed an iOS and Android app — and helped establish the channel for how the filter sensor communicates with the phone over BLE. This technical achievement is an enabler for an elegant IoT solution that solves a real consumer problem - improving air quality in the home.

The app’s UX design surfaces the most important information at the right time -- letting you know when you need to replace your filter. It also helps people understand the air quality, offers tips to improve air quality, and makes it easy to order replacement filters in a matter of moments.

ArcTouch's Alexa developers also created a Filtrete skill for Amazon Echo, which provides a conversational interface to frequent questions about your home's air quality and your Filtrete Smart filter.

To learn more about the project, visit our blog post,
“Breathe easy: The 3M Filtrete IoT app and Alexa skill helps home air quality.”


3M Filtrete Smart Air Filters confirm it: Bluetooth is everywhere and in everything

Yeah, it sounds silly at first. Who needs Bluetooth in their HVAC system’s air filters? But give it some thought and the idea makes sense. Changing your filters based simply on the date on the calendar provides no guarantee that the filter hasn’t already become too dirty to be effective, and it could mean that you’re wasting money by changing your filter before the end of its useful life. Enter 3M's Filtrete Smart Air Filters.

3m filtrete app3M

I’ve installed the filters in my own home and will report back in a month or two with my experience; in the meantime, here’s what 3M says its smart air filters can do.

Each filter comes with a Bluetooth-enabled pressure sensor that’s paired with a smartphone app. The pressure sensor measures air flow and usage. Air flow is reduced as the filter removes contaminants it until it reaches a threshold at which the app sends you a notification that the filter should be changed.

The EPA recommends checking your air filter once a month (and we all do that, right?), and changing them once each quarter. It’s easy to tell when a filter is very dirty, as you can see it’s gone from a pristine white to a dark gray with dust bunnies clinging to it. But if you wait that long to change it, who knows what kind of junk you’ll have been inhaling in the meantime.

When you need to replace the filter, you can use app to find out what size filter you need, and how many you need—the app can keep track of multiple filters at different locations inside your home as well as at multiple properties. Of course, it will point you to retailers where you can buy one. The app provides tracking data on outdoor air quality, too, and it can be configured to warn you when outdoor air quality is low. 3M has also partnered with Speck to incorporate data on indoor air quality as reported by Speck’s sensor device.

3M says the presence of the Bluetooth pressure sensor adds only about $5 to the retail price of its filters (the smart filters themselves are no different from “dumb” filters). They are available at three performance levels: The 1500 series ($21.99 MSRP), 1900 series ($24.99), and the 2200 series ($29.99).

Note: When you purchase something after clicking links in our articles, we may earn a small commission. Read our affiliate link policy for more details.

Michael covers the smart-home, home-entertainment, and home-networking beats, working in the smart home he built in 2007.

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iPhone Screenshots


Filtrete™ Smart pairs with your Filtrete™ Smart Air Filter and Filtrete™ Smart Air Purifier to help you understand and manage your home’s air quality. It provides useful tips and alerts customized to your home’s environment, and will notify you when it’s time to replace your filters based on air flow and usage – not just time.

With this app, you can
• Pair multiple Smart Air Filters to track their life, and receive filter change notifications based on real usage
• Pair Smart Air Purifiers to manage your indoor air quality – monitor and clean your air while remotely controlling your device by turning power on/off, setting different fan speeds, etc.
• Scan the barcode of your non-smart Air Filters, and set timers to receive filter replacement reminders
• Remember your filter type and size, and easily order replacement filters
• Monitor outdoor air quality in multiple places, and view short and long-term trends
• Receive tips and alerts to improve air quality

Version 2.1.2

Thanks for using the Filtrete™ Smart App! We are constantly reviewing feedback and making changes to improve our app and your experience. This update includes:
• New Activity tab! We’ve made it easier for you to see your most important alerts and the latest tips & tricks all in one spot.
• Now, view your product details directly from your notifications and widgets.
• Performance and stability improvements

Ratings and Reviews

4.7 out of 5

1.4K Ratings

Very happy

When it said my filter had no life left, I didn’t believe it, until I checked!!!! It was almost black. Very accurate. Awesome product.

Privacy and ruination of product concerns

Do not call the number that pops up if you have an issue — you will have to listen to a guy tell you how great they are during the « outbreak » — they can’t even call it a Pandemic — and that you can’t use their filter material for making face masks.

5 minutes later if you do speak to someone your call may be monitored or recorded.

When you do get to a guy he will have you call another number 1-469-391-9358. You are welcome: I just saved 5 minutes you would never get back again.

After speaking a total of 15 seconds with the CSR, I can confirm that It is not possible to use the app without either providing a location for a smart air filter or by agreeing to share location.

What is worse, when adding a filter, even though you are instructed to pair with the filter by Bluetooth, and pairing succeeds, if you refuse to share your location, or you do not key in a location, the app refuses to go any further and « locks » the sensor.

Thus if you start the app again the Bluetooth sensor is « locked » and cannot be added to your « account », even though you just paired with it.

This is a deliberate design choice Designed to harvest your location and « punish » anyone who doesn’t by bricking their sensor.

Huge red flag on privacy and deliberate ruination of product.

Other than that, it gets one star because it was easy to install and to delete.

Latest update keeps disconnecting

Since latest update my filter keeps going offline

The developer, 3M Company, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer's privacy policy.

Data Linked to You

The following data may be collected and linked to your identity:

  • Purchases
  • Location
  • Contact Info
  • User Content
  • Identifiers
  • Usage Data
  • Diagnostics
  • Other Data

Privacy practices may vary, for example, based on the features you use or your age. Learn More


3M Company

75.3 MB


Requires iOS 14.0 or later.
iPod touch
Requires iOS 14.0 or later.

English, French

Age Rating

© Copyright 2021 3M Company



  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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