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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Sensi, a brand of Emerson, makes smart thermostats focused on easy DIY installation and reliable HVAC control. Its thermostats offer scheduling, remote control and energy-saving features through the Sensi app, with support for Alexa, Google Home and Apple HomeKit on select models. Sensi appeals to homeowners wanting an affordable, easy-to-install smart thermostat.
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