Terms of Sale


Smart Air provides a warranty on items purchased and shipped to Mainland China. For more information, and to learn about our international warranty policy, see the Smart Air warranty page.

Shipping Fees

Mainland China Shipping Fees

Shipping to most parts of mainland China is free for orders over 70RMB. Orders under 70RMB, and orders to Qinghai, Ningxia, Xinjian and Tibet may incur an extra shipping fee.

For these regions, we’ll contact you after you’ve placed your order to inform you of any extra shipping fees.

International Shipping Fees

To learn more about how you’re charged for international orders, see our international shipping page.

Smart Air low cost purifiers

Smart Air is a social enterprise that creates simple, no-nonsense air purifiers and provides free education to protect people’s health from the effects of air pollution. We are proud to be the only certified B-Corp dedicated to fighting air pollution.

Certified B-Corp air purifier company