Refoss · Updated June 2026
Refoss EM16P Smart Energy Monitor: price & specs
The Refoss EM16P Smart Energy Monitor costs $199.99, #6 cheapest of 8 home energy monitors (median $169). It earns a Bronze Deskmark — 59/100 pay-blind standing, #5 of 7 in class.
Verified Jun 27, 2026 · figures linked to their source in the table below
Refoss EM16P Smart Energy Monitor. Every price and spec below is linked to its source and dated — no guesses.
Source: refoss.net verified ✓ corroborated verify in ledger
Is the Refoss EM16P Smart Energy Monitor a good buy?
At $200, the Refoss EM16P Smart Energy Monitor is #6 cheapest of the 8 home energy monitors we track, where the median is $169. On the spec sheet, its branch circuit count of 16 is the highest of the 8, its accuracy percent of 2 is the highest of the 6, and its main circuit amps of 200 is at the median of the 7.
Specifications
| Price (US) | $199.99 Regular MSRP $199.99 from refoss.net. Currently on sale at $159.99 (20% off). We track MSRP. |
|---|---|
| Brand | Refoss |
| Released | — |
| Monitoring type | ct-clamp |
| Main circuit amps | 200 |
| Branch circuit count | 16 |
| Connectivity protocol | Wi-Fi |
| Solar net metering | Yes |
| Local api support | Yes |
| Subscription required | No |
| App platforms | web UI (local), cloud optional |
| Accuracy percent | 2 |
| Installation type | panel-mount |
| Smart home integrations | Home Assistant (native), MQTT |
| Etl ul certified | ETL (UL 61010) |
Source: refoss.net (verified 2026-06-27) · corroborated by amazon.com. Regular price $199.99 and sale price $159.99 confirmed on refoss.net. Official product page states ±2% accuracy and ETL certified (UL 61010). Page states 'up to 18 circuits' but 16 branch CTs ship in box (2 mains + 16 branch = 18 total monitoring points). Local web access, Open API, MQTT confirmed. Solar PV monitoring confirmed. Operates offline without cloud. Home Assistant native integration confirmed. mainCircuitAmps: 200A inferred from Amazon listing spec. accuracyPercent set to 2 per official store page.
Is the Refoss EM16P Smart Energy Monitor worth it vs cheaper home energy monitors?
Refoss EM16P Smart Energy Monitor against its closest cheaper and pricier home energy monitors on the specs that matter — every value sourced. See all 8 ranked →
| Product | Price | Monitoring type | Main circuit amps | Branch circuit count | Connectivity protocol | Solar net metering |
|---|---|---|---|---|---|---|
| Refoss EM16P Smart Energy Monitor this | $199.99 | ct-clamp | 200 | 16 | Wi-Fi | Yes |
| Eyedro EYEFI-4 Home Energy Monitor | $139 | ct-clamp | 200 | 0 | Wi-Fi 802.11 b/g/n | Yes |
| Generac PWRview Home Energy Monitor W2HEM | $219.99 | ct-clamp | 264 | 0 | Wi-Fi 802.11 b/g/n | Yes |
Frequently asked questions
How much does the Refoss EM16P Smart Energy Monitor cost?
The Refoss EM16P Smart Energy Monitor has a US price of $199.99 (Regular MSRP $199.99 from refoss.net. Currently on sale at $159.99 (20% off). We track MSRP.), as of 2026-06-27.
How does the Refoss EM16P Smart Energy Monitor compare on price?
At $200, the Refoss EM16P Smart Energy Monitor is #6 cheapest of the 8 home energy monitors we track, where the median is $169.
What are the Refoss EM16P Smart Energy Monitor's key specs?
Refoss EM16P Smart Energy Monitor (Refoss): monitoringType ct-clamp, mainCircuitAmps 200, branchCircuitCount 16, connectivityProtocol Wi-Fi, solarNetMetering Yes. Full sourced spec sheet verified 2026-06-27.
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