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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Winix is a South Korean appliance manufacturer founded in 1973 and headquartered in Siheung, best known outside Korea for its air purifiers. Its range pairs a washable pre-filter, an activated carbon layer and a True HEPA filter with the brand's own PlasmaWave ionization stage, which can be switched off. The connected models add Wi-Fi with the Winix Smart app, air quality and light sensors driving Auto and Sleep modes, and support for Amazon Alexa and Google Home.
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