Emporia is a Colorado-based energy technology company that builds whole-home energy monitors, smart plugs, Level 2 EV chargers and home battery systems. Its Vue energy monitors clamp onto the mains and up to 16 branch circuits to report consumption second by second, with solar net metering and no subscription. The app adds cost tracking, time-of-use rates and load management, and the devices work with Alexa and Google Home.
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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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