IQAir is a Swiss air quality company known for its high-end air purifiers and the AirVisual line of air quality monitors. Its monitors track PM2.5, CO2 and other metrics and feed a global air quality network and app. IQAir appeals to users who want professional-grade air purification and monitoring data.
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United StatesKidde is an American fire safety manufacturer founded in 1917 and one of the largest makers of residential smoke and carbon monoxide alarms. Alongside its traditional hardwired and battery alarms it sells a connected range that adds Wi-Fi, app notifications and voice alerts, including combination units that also monitor indoor air quality and models that report into the Ring app. It also makes fire extinguishers, escape ladders and water leak and freeze detectors.
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