Refoss Smart Home Energy Monitor – Real-Time Energy Tracking & Solar Metering

Overview

Meet the Refoss Smart Home Energy Monitor, a compact, clamp‑on solution designed to help you understand and optimize your home energy use. ETL certified and built for simple installation, it emphasizes privacy with local data storage while offering a long history you can rely on for analysis and planning.

Core capabilities

• ETL Certified and scalable sensing for 2 main circuits up to 200A and 16 branch circuits up to 60A with a clamp‑on design
• Compatible with single‑phase 2‑wire, single‑split phase 3‑wire, and 3‑phase 4‑wire wye systems with earthed neutral
• 24/7 monitoring via the Refoss app for power, current, voltage, and power factor of major appliances
• In‑depth energy data with minute, hourly, daily, monthly, and yearly views plus export options
• Zero feed‑in automation for solar owners when paired with Home Assistant to optimize on‑site usage
• Personalized usage alerts for unusual spikes to help you react quickly
• Data stored locally with privacy in mind and a clear path to long‑term analysis

Insights and solar optimization

The EM16 provides high accuracy and long term visibility. By recognizing solar surplus, you can schedule high‑energy tasks during peak sun to reduce grid reliance and potentially maximize solar ROI. Real‑time visibility helps you identify devices that consume more power than expected without guessing.

Data privacy and compatibility

All electricity data stays on your network with no mandatory cloud processing. When needed, Home Assistant integration is achievable via firmware updates, and export options support your records and further analysis.

Setup and warranty

• Easy clamp‑on installation fits most panels
• Two‑year warranty for dependable support
• Update the Refoss app and firmware to unlock all features
• Caution: handle current transformers with care to avoid damage