Currently unavailable on Amazon USA
Updated October 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 warranty, integrations, and data & monitoring.
It separates itself most clearly on warranty, integrations, and data & monitoring, while still looking better on its broader overall balance. 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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| Feature | Refoss EM06P | Shelly 3EM-63W Gen3 | Winner |
|---|---|---|---|
| Warranty | 2 years | 3 years | Shelly 3EM-63W Gen3 |
| Integrations | Home Assistant | Google Home, Alexa, Samsung SmartThings, Home Assistant | Shelly 3EM-63W Gen3 |
| Data & Monitoring | Energy Cost Tracking, Data Export, Usage Alerts | Energy Cost Tracking, Time-of-Use Rates, Data Export, Usage Alerts | Shelly 3EM-63W Gen3 |
| Rating | 4.5 | 4.5 | Tie |
| Metering | Three-Phase Support, Solar Net Metering, Power Factor Readings | Three-Phase Support, Solar Net Metering, Power Factor Readings | Tie |
| Breaker Panel Install | YES | YES | Tie |
| Smart Meter Port | NO | NO | Tie |
| Connectivity | 2.4 GHz WiFi | 2.4 GHz WiFi, Bluetooth | Tie |
| Local Control | Local API, MQTT, Local Web Interface | Local API, MQTT, Local Web Interface | Tie |
| Relay Output | NO | NO | Tie |
| Load Management | YES | YES | Tie |
Currently unavailable on Amazon USA
- - Warranty: 2 years vs 3 years
- - Integrations: Home Assistant vs Google Home, Alexa, Samsung SmartThings, Home Assistant
Winner
$114.99
- + Warranty: 3 years
- + Integrations: Google Home, Alexa, Samsung SmartThings, Home Assistant
- + Data & Monitoring: Energy Cost Tracking, Time-of-Use Rates, Data Export, Usage Alerts
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 warranty, integrations, and data & monitoring.
What is the biggest difference between Refoss EM06P and Shelly 3EM-63W Gen3?
Warranty is one of the clearest differences: Refoss EM06P lists 2 years, while Shelly 3EM-63W Gen3 lists 3 years.
Who should buy Refoss EM06P?
Choose Refoss EM06P if your priority is its specific strengths and that matters more than warranty.
Who should buy Shelly 3EM-63W Gen3?
Choose Shelly 3EM-63W Gen3 if your priority is warranty and integrations and that matters more than the competing advantages.
Full comparison table
Compare all 25 Energy Monitors side by side
You are looking at two of them. The full table lines up all Energy Monitors in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 25 Energy Monitors
- 46 specs compared
- 43 filters
SonoffMINI PM Matter Over WiFi Power Meter (Non-Switch)
NodOnZigbee Smart Energy Monitor
ShellyPro EM-50
EmporiaVue 3
ShellyEM Gen3
EmporiaVue 3 3-Phase
ShellyEM Gen4
SonoffPOWCT
Shelly3EM-63W Gen3
ShellyEM Mini Gen4
- Refoss
EM06P
ShellyPro 3EM v2
ShellyPro 3EM 3CT63
MerossEM16P
ShellyPro 3EM-400
MerossEM06P
SonoffMINI PM Zigbee Power Meter (Non-Switch)
AeotecHome Energy Meter 8
RefossEM16P
RefossEM01P
ButtonsShellyBLU Button Tough 1 ZB
ButtonsShellyBLU RC Button 4 ZB
CamerasShellyCamera
DisplaysShellyWall Display X1i
DisplaysShellyWall Display XL
DisplaysShellyWall Display
Door & Window SensorsShellyBLU Door/Window Outdoor ZB
Door & Window SensorsShellyBLU Door/Window ZB
- Energy MonitorsShelly
3EM-63W Gen3
- Energy MonitorsShelly
EM Gen3
- Energy MonitorsShelly
EM Gen4
- Energy MonitorsShelly
EM Mini Gen4
- Energy MonitorsShelly
Pro 3EM 3CT63
- Energy MonitorsShelly
Pro 3EM-400
- Energy MonitorsShelly
Pro 3EM v2
- Energy MonitorsShelly
Pro EM-50
Gas DetectorsShellyGAS (CNG)
Gas DetectorsShellyGAS (LPG)
LED BulbsShellyMulticolor Bulb E27 Gen3
Motion SensorsShellyBLU Motion ZB