Refoss EM16P

Last updated: November 9, 2026

Refoss EM16P

The pick for Home Assistant users who want circuit data without a cloud account.

  • 16Circuits
  • Local + Home AssistantControl
  • ±1%Accuracy
  • 2 yearsWarranty
Check price at Amazon$199.99

Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros
  • Local web UI, open API and MQTT work with no cloud
  • Native Home Assistant integration
  • No subscription, five years of daily data kept on the unit
Cons
  • Two-year warranty is good but not long
  • New brand with a short track record

How it scores

The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.

Specifications

Model numberEM16P
Monitoring
Branch circuits included16
Most circuits supported16
Mains CT rating200 A
Branch CT rating60 A
Electrical systemsSplit-phase, 3-phase
Solar / net meteringYes
Claimed accuracy±1%
Connectivity
ConnectionWi-Fi
Local API / MQTT / hubYes
Home AssistantYes
Needs maker cloudNo
Free of subscriptionYes
Build
Warranty2 years

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