Energy Monitors · Head to head

Refoss EM06P vs Shelly 3EM-63W Gen3

Full Smart Energy Monitors comparison in 2026

Data from Amazon and official Refoss and Shelly sites.
2026 verdict
In 2026, the recommendation leans toward Shelly 3EM-63W Gen3 over Refoss EM06P, driven by rating, warranty, and connectivity.
Shelly 3EM-63W Gen3
Winner
Shelly 3EM-63W Gen3
Buy on Amazon UKCheck price
It separates itself most clearly on rating, warranty, and connectivity, while still looking better on integrations and data & monitoring. Pick Refoss EM06P only when its specific feature mix is the deciding factor for your setup. As a general recommendation, Shelly 3EM-63W Gen3 comes out on top.
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FeatureRefoss EM06PShelly 3EM-63W Gen3Winner
Rating4.54.6Shelly 3EM-63W Gen3
Warranty2 years3 yearsShelly 3EM-63W Gen3
Connectivity2.4 GHz WiFi2.4 GHz WiFi, BluetoothShelly 3EM-63W Gen3
IntegrationsHome AssistantGoogle Home, Alexa, Samsung SmartThings, Home AssistantShelly 3EM-63W Gen3
Data & MonitoringEnergy Cost Tracking, Data Export, Usage AlertsEnergy Cost Tracking, Time-of-Use Rates, Data Export, Usage AlertsShelly 3EM-63W Gen3
MeteringThree-Phase Support, Solar Net Metering, Power Factor ReadingsThree-Phase Support, Solar Net Metering, Power Factor ReadingsTie
Breaker Panel InstallYESYESTie
Smart Meter PortNONOTie
Local ControlLocal API, MQTT, Local Web InterfaceLocal API, MQTT, Local Web InterfaceTie
Relay OutputNONOTie
Load ManagementYESYESTie

Frequently Asked Questions

Which is better overall: Refoss EM06P or Shelly 3EM-63W Gen3?

Shelly 3EM-63W Gen3 has the stronger overall profile in this comparison, especially for rating, warranty, and connectivity.

What is the biggest difference between Refoss EM06P and Shelly 3EM-63W Gen3?

Rating is one of the clearest differences: Refoss EM06P lists 4.5, while Shelly 3EM-63W Gen3 lists 4.6.

Who should buy Refoss EM06P?

Choose Refoss EM06P if your priority is its specific strengths and that matters more than rating.

Who should buy Shelly 3EM-63W Gen3?

Choose Shelly 3EM-63W Gen3 if your priority is rating and warranty and that matters more than the competing advantages.

Full comparison table

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