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Due to the current Coronavirus epidemic and lockdowns, we want to help keep your home’s Indoor Air Quality at its best.

We also want to keep our staff working.

So, from now through June, we are offering our FILTERSCAN WiFi Home Air Filter Monitor at an amazing 60% off our retail price, with FREE shipping*. That’s $51.95 for the peace of mind that you are keeping the air circulating in your house as clean as possible.

*When you go to checkout you will be initially charged for shipping. That will be removed after you enter code covid19.


The FILTERSCAN WiFi® Home affordable airflow sensor and differential pressure monitor sends you a text or email when it's time to change your home's air furnace filter.

    The best assurance that your home air filters will never again surprise you with a clog!


    With CleanAlert's FILTERSCAN® WiFi, you can receive text and e-mail alerts to a Smartphone, tablet, or personal computer when a central HVAC system filter needs servicing.

    4 Easy steps to make the most of your FILTERSCAN® WiFi Air Filter Monitor with AirFilterSentry Notification Service:

    1. The first step is to purchase a FILTERSCAN® WiFi Air Filter Monitor.

    2. Next, sign up for the AirFilterSentry Notification Service at cleanalertwifi.com.

    3. Then install the FILTERSCAN® WiFi Air Filter Monitor on your forced air heating and/or cooling system and link it wirelessly with your Internet router.

    4. Finally, register your FILTERSCAN® WiFi at cleanalertwifi.com.

    You will now enjoy:

    • Convenient text and/or e-mail alerts when your air filter needs to be changed or cleaned.
    • The ability to view your air filter’s remaining life online any time you want.
    • The ability to have others (a contractor, handyman, relative, or neighbor) automatically notified when the the air filter is clogged, before a clog raises your energy bills, reduces your indoor air quality, or damages your heating and cooling system.
    AirFilterSentry Features FILTERSCAN
    WiFi Home 
    WiFi for Business
    Local alerts
    Text alerts to one smartphone and/or email alerts to two recipients    
    Text alerts to three smartphones and/or email alerts to three recipients  
    On-demand web-based reports of remaining filter life and monitor status
    Number of monitors in a single AFS account report 2 Unlimited
    Personalized alert messages
    Remote software updates
    Follow-up reminders if a clogged air filter is not replaced or serviced  
    Remote reset of the monitor after a filter change

    If you have any problems, do not hesitate to contact us!