What is the sensing range of a FreshAir1?

One FreshAir1 device monitors an indoor area of approximately 500 square feet, the size of an average hotel room. We recommend installing multiple FreshAir1 devices in larger rooms, multi-room suites and apartments to ensure effective monitoring of areas larger than 500 square feet. Please note that airflow, room layout and other factors affect the sensing range of a FreshAir1.

Please also see Will my FreshAir1 detect when a neighbor is smoking?

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