Energy Monitors · Head to head

Refoss EM16P vs Shelly Pro 3EM v2

Full Smart Energy Monitors comparison in 2026

Updated October 2026
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.
Shelly Pro 3EM v2
Winner
Shelly Pro 3EM v2
$154.99

Last recorded price

Buy on Amazon USA
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 its specific feature mix 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.
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FeatureRefoss EM16PShelly Pro 3EM v2Winner
Price$169.99$154.99Shelly Pro 3EM v2
Rating4.14.5Shelly Pro 3EM v2
Warranty2 years3 yearsShelly Pro 3EM v2
Connectivity2.4 GHz WiFi, Bluetooth2.4 GHz WiFi, Ethernet, Bluetooth, OtherShelly Pro 3EM v2
IntegrationsHome AssistantGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterShelly Pro 3EM v2
Data & MonitoringEnergy Cost Tracking, Data Export, Usage AlertsEnergy Cost Tracking, Time-of-Use Rates, Data Export, Usage AlertsShelly Pro 3EM v2
MeteringSplit-Phase Support, Three-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

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 EM16P
  • Shelly Pro 3EM v2

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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 $169.99, while Shelly Pro 3EM v2 lists $154.99.

Which one looks better on price?

Refoss EM16P is listed at $169.99, 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 its specific strengths 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 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
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