South KoreaCoway 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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USAUbiquiti is a US networking company whose smart home relevance comes from its UniFi platform, spanning Wi-Fi routers, mesh systems, switches, security cameras (UniFi Protect), video doorbells and access control. Its gear is prized by enthusiasts for high performance, a unified local-first UniFi OS interface and no mandatory subscriptions. A fast, reliable UniFi network is a popular backbone for larger smart homes, though the ecosystem leans prosumer rather than plug-and-play.
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