FREQUENTLY ASKED QUESTIONS

Perfect comfort is something we want you to experience long after you’ve purchased your Lennox® product. That’s why we offer a collection of resources that make it as easy as possible for you to get the answers and support you need.

What happens when my Smart Air Quality Monitor detects fair or poor air quality inside my home?

When fair or poor air-quality levels are detected, the Smart Air Quality Monitor will use the indoor air quality equipment in your HVAC system to clean the air. If you do not have indoor air quality products or have consistently poor levels of pollutants in your home, the S40 Smart Thermostat will provide indoor air quality product recommendations to improve air quality (sold separately).

You will receive a notice on the S40 Smart Thermostat and on the Lennox Home App when air cleaning has been triggered that says, "Cleaning Air".

The S40 Smart Thermostat will start cleaning the air when the Smart Air Quality Monitor detects fair or poor air quality, however, you can postpone cleaning the air when you want to. For example, if you are enjoying the fragrance of a scented candle, you can postpone cleaning the air for a specific period.

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