Coway is a South Korean home appliance manufacturer based in Seoul, best known outside Korea for its Airmega air purifiers, along with water purifiers and bidets. Its purifiers pair a washable pre-filter with activated carbon and True HEPA media, report air quality through a coloured indicator ring and the IoCare app, and support Amazon Alexa and Google Home. Most Airmega models are AHAM Verifide and Energy Star certified.
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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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