Currently unavailable on Amazon USA
Updated October 2026
Data from Amazon and official Refoss and Shelly sites.
2026 verdict
Across the 2026 comparison, Shelly Pro 3EM-400 earns the nod over Refoss EM06P on the strength of warranty, connectivity, and integrations.
It wins the broader comparison through warranty, connectivity, and integrations, while data & monitoring helps confirm the result. Refoss EM06P is still relevant if you care most about rating, but Shelly Pro 3EM-400 is the stronger recommendation overall. That is why the final call still favors Shelly Pro 3EM-400.
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| Feature | Refoss EM06P | Shelly Pro 3EM-400 | Winner |
|---|---|---|---|
| Rating | 4.5 | 4.3 | Refoss EM06P |
| Warranty | 2 years | 3 years | Shelly Pro 3EM-400 |
| Connectivity | 2.4 GHz WiFi | 2.4 GHz WiFi, Ethernet, Bluetooth, Other | Shelly Pro 3EM-400 |
| Integrations | Home Assistant | Google Home, Alexa, Samsung SmartThings, Home Assistant | Shelly Pro 3EM-400 |
| Data & Monitoring | Energy Cost Tracking, Data Export, Usage Alerts | Energy Cost Tracking, Time-of-Use Rates, Data Export, Usage Alerts | Shelly Pro 3EM-400 |
| 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 |
| 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
- + Rating: 4.5
- - Warranty: 2 years vs 3 years
- - Connectivity: 2.4 GHz WiFi vs 2.4 GHz WiFi, Ethernet, Bluetooth, Other
Winner
$329.99
- + Warranty: 3 years
- + Connectivity: 2.4 GHz WiFi, Ethernet, Bluetooth, Other
- + Integrations: Google Home, Alexa, Samsung SmartThings, Home Assistant
- - Rating: 4.3 vs 4.5
Price history compared
Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.
- Refoss EM06P
- Shelly Pro 3EM-400
Loading price history...
Frequently Asked Questions
Which is better overall: Refoss EM06P or Shelly Pro 3EM-400?
Shelly Pro 3EM-400 has the stronger overall profile in this comparison, especially for warranty, connectivity, and integrations.
What is the biggest difference between Refoss EM06P and Shelly Pro 3EM-400?
Rating is one of the clearest differences: Refoss EM06P lists 4.5, while Shelly Pro 3EM-400 lists 4.3.
Who should buy Refoss EM06P?
Choose Refoss EM06P if your priority is rating and that matters more than warranty.
Who should buy Shelly Pro 3EM-400?
Choose Shelly Pro 3EM-400 if your priority is warranty and connectivity and that matters more than rating.
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)
$15.90
NodOnZigbee Smart Energy Monitor
$54.24
ShellyPro EM-50
$119.99
EmporiaVue 3
$199.99
ShellyEM Gen3
$69.99
EmporiaVue 3 3-Phase
$209.99
ShellyEM Gen4
3% OFF€67.00€65.12
SonoffPOWCT
$38.19
Shelly3EM-63W Gen3
$114.99
ShellyEM Mini Gen4
$24.99- Refoss
EM06P
Unavailable 
ShellyPro 3EM v2
$154.99
ShellyPro 3EM 3CT63
$150.99
MerossEM16P
10% OFF$199.99$179.99
ShellyPro 3EM-400
$329.99
MerossEM06P
29% OFF€94.99€66.98
SonoffMINI PM Zigbee Power Meter (Non-Switch)
$15.90
AeotecHome Energy Meter 8
$95.99
RefossEM16P
15% OFF$199.99$169.99
RefossEM01P
Unavailable
CamerasShellyCamera
DisplaysShellyWall Display X1i
€188.90
DisplaysShellyWall Display XL
4.1(65)$349.99
DisplaysShellyWall Display
4.4(435)€126.53
Door & Window SensorsShellyBLU Door/Window Outdoor ZB
Door & Window SensorsShellyBLU Door/Window ZB
4.6(42)$22.99- Energy MonitorsShelly
3EM-63W Gen3
4.5(152)$114.99 - Energy MonitorsShelly
EM Gen3
4.6(269)$69.99 - Energy MonitorsShelly
EM Gen4
3% OFF€67.00€65.12 - Energy MonitorsShelly
EM Mini Gen4
4.5(139)$24.99 - Energy MonitorsShelly
Pro 3EM 3CT63
4.4(351)$150.99 - Energy MonitorsShelly
Pro 3EM-400
4.3(21)$329.99 - Energy MonitorsShelly
Pro 3EM v2
4.5(84)$154.99 - Energy MonitorsShelly
Pro EM-50
4.6(956)$119.99 
Gas DetectorsShellyGAS (CNG)
4.2(45)€64.21
Gas DetectorsShellyGAS (LPG)
LED BulbsShellyMulticolor Bulb E27 Gen3
4.2(35)€9.90
Motion SensorsShellyBLU Motion ZB
4.4(50)$26.99
Motion SensorsShellyBlu Motion
4.0(1,037)Last priceMay 1, 2026$25.99
Unavailable
PlugsShellyPlug M Gen3
4.5(791)€12.90