Hong KongRefoss is a smart home brand active since 2016, best known for its multi-channel energy monitors and for smart plugs, switches and garage door openers. Its energy monitors clamp onto the mains and branch circuits and expose the readings through a local web UI, an open JSON-RPC API and MQTT, so they run without any cloud account. Refoss devices integrate natively with Home Assistant, Alexa, Google Home and Apple HomeKit.
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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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