Data from Amazon and official Refoss and Shelly sites.
2026 verdict
Shelly Pro 3EM v2 beats Refoss EM16P in 2026, with its clearest edge on price, rating, and warranty. The comparison tilts its way because of price, rating, and warranty, with connectivity and integrations keeping it in front. Refoss EM16P still makes sense if metering is your priority, but most buyers should still lean toward Shelly Pro 3EM v2. Overall, Shelly Pro 3EM v2 makes more sense for most people.
| Feature | Refoss EM16P | Shelly Pro 3EM v2 | Winner |
|---|---|---|---|
| Price | $179.99 | $154.99 | Shelly Pro 3EM v2 |
| Rating | 4.3 | 4.5 | Shelly Pro 3EM v2 |
| Warranty | 2 years | 3 years | Shelly Pro 3EM v2 |
| Metering | Split-Phase Support, Three-Phase Support, Solar Net Metering, Power Factor Readings | Three-Phase Support, Solar Net Metering, Power Factor Readings | Refoss EM16P |
| Connectivity | 2.4 GHz WiFi, Bluetooth | 2.4 GHz WiFi, Ethernet, Bluetooth, Other | Shelly Pro 3EM v2 |
| Integrations | Home Assistant | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Shelly Pro 3EM v2 |
| Data & Monitoring | Energy Cost Tracking, Data Export, Usage Alerts | Energy Cost Tracking, Time-of-Use Rates, Data Export, Usage Alerts | Shelly Pro 3EM v2 |
| 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 |
25% OFF
$179.99
$239.99
- + Metering: Split-Phase Support, Three-Phase Support, Solar Net Metering, Power Factor Readings
- - Price: $179.99 vs $154.99
- - Rating: 4.3 vs 4.5
Winner
$154.99
- + Price: $154.99
- + Rating: 4.5
- + Warranty: 3 years
- - Metering: Three-Phase Support, Solar Net Metering, Power Factor Readings vs Split-Phase Support, Three-Phase Support, Solar Net Metering, Power Factor Readings
Frequently Asked Questions
Which is better overall: Refoss EM16P or Shelly Pro 3EM v2?
Shelly Pro 3EM v2 has the stronger overall profile in this comparison, especially for price, rating, and warranty.
What is the biggest difference between Refoss EM16P and Shelly Pro 3EM v2?
Price is one of the clearest differences: Refoss EM16P lists $179.99, while Shelly Pro 3EM v2 lists $154.99.
Which one looks better on price?
Refoss EM16P is listed at $179.99, while Shelly Pro 3EM v2 is listed at $154.99. Shelly Pro 3EM v2 (better spec).
Who should buy Refoss EM16P?
Choose Refoss EM16P if your priority is metering and that matters more than price.
Who should buy Shelly Pro 3EM v2?
Choose Shelly Pro 3EM v2 if your priority is price and rating and that matters more than metering.
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