16% OFF
$69.99
$82.99
Data from the official Refoss and Zemismart sites.
2026 verdict
Zemismart SPM02 wins the 2026 matchup against Refoss EM01P, mainly on price, metering, and breaker panel install.
The comparison tilts its way because of price, metering, and breaker panel install, with its broader overall balance keeping it in front. Refoss EM01P still makes sense if smart meter port and local control are your priority, but most buyers should still lean toward Zemismart SPM02. For the average buyer, Zemismart SPM02 is the safer choice.
Works with
Connectivity
- Wi-Fi 2.4 GHz
vs
Winner
40% OFF
$42.60
$70.99
Works with
Connectivity
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| Feature | Refoss EM01P | Zemismart SPM02 | Winner |
|---|---|---|---|
| Price | $69.99 | $42.60 | Zemismart SPM02 |
| Metering | Solar Net Metering | Three-Phase Support, Solar Net Metering | Zemismart SPM02 |
| Breaker Panel Install | NO | YES | Zemismart SPM02 |
| Smart Meter Port | YES | NO | Refoss EM01P |
| Local Control | Local API, MQTT, Local Web Interface | None | Refoss EM01P |
| Connectivity | 2.4 GHz WiFi | Zigbee | Tie |
| Integrations | Home Assistant | Home Assistant | Tie |
| Data & Monitoring | Energy Cost Tracking, Data Export | Usage Alerts | Tie |
| Relay Output | NO | NO | Tie |
| Load Management | NO | NO | Tie |
| Local Control | YES | YES | Tie |
16% OFF
$69.99
$82.99
- + Smart Meter Port: YES
- + Local Control: Local API, MQTT, Local Web Interface
- - Price: $69.99 vs $42.60
- - Metering: Solar Net Metering vs Three-Phase Support, Solar Net Metering
Winner
40% OFF
$42.60
$70.99
- + Price: $42.60
- + Metering: Three-Phase Support, Solar Net Metering
- + Breaker Panel Install: YES
- - Smart Meter Port: NO vs YES
- - Local Control: None vs Local API, MQTT, Local Web Interface
Frequently Asked Questions
Which is better overall: Refoss EM01P or Zemismart SPM02?
Zemismart SPM02 has the stronger overall profile in this comparison, especially for price, metering, and breaker panel install.
What is the biggest difference between Refoss EM01P and Zemismart SPM02?
Price is one of the clearest differences: Refoss EM01P lists $69.99, while Zemismart SPM02 lists $42.60.
Which one looks better on price?
Refoss EM01P is listed at $69.99, while Zemismart SPM02 is listed at $42.60. Zemismart SPM02 (better spec).
Who should buy Refoss EM01P?
Choose Refoss EM01P if your priority is smart meter port and local control and that matters more than price.
Who should buy Zemismart SPM02?
Choose Zemismart SPM02 if your priority is price and metering and that matters more than smart meter port.
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