The older Aeotec Z-Wave mains meter, for hubs without Z-Wave Long Range; most buyers should take the cheaper Home Energy Meter 8.
Amazon $115.99The Aeotec Home Energy Meter Gen5 is the better home energy monitor overall, rated 3.4 to 2.9. The Aeotec Home Energy Meter Gen5 costs $4 less ($115.99 vs $119.99).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Good for monitoring and switching a pair of big loads such as an EV charger and a water heater.
Amazon $119.99Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every whole-home home energy monitor; a clear win is highlighted. How we rank explains each one.
| Factor weight | Aeotec Home Energy Meter Gen5 | Shelly Pro EM 50A |
|---|---|---|
| Overall rating | 3.4/5 | 2.9/5 |
| Value 25% | 63 $115.99 | 61 $119.99 |
| Circuits 20% | 0 mains only | 6 0 branch circuits included, up to 2 |
| Local control 20% | 100 local API, MQTT or hub, Home Assistant, works without the cloud | 50 local control not published (neutral score used) |
| Accuracy 15% | 100 claimed within ±1% | 50 accuracy not claimed (neutral score used) |
| Subscription 10% | 50 subscription terms not published (neutral score used) | 50 subscription terms not published (neutral score used) |
| Warranty 10% | 0 1-year warranty | 0 warranty not published, scored as none |
Specifications
| Aeotec Home Energy Meter Gen5 | Shelly Pro EM 50A | |
|---|---|---|
| Monitoring | ||
| Branch circuits included | None in box | None in box (up to 2) |
| Most circuits supported | - | 2 |
| Mains CT rating | 200 A | 50 A |
| Branch CT rating | - | 50 A |
| Electrical systems | Split-phase | - |
| Solar / net metering | - | Yes |
| Claimed accuracy | ±1% | - |
| Connectivity | ||
| Connection | Z-Wave Plus | Wi-Fi, LAN, Bluetooth |
| Local API / MQTT / hub | Yes | - |
| Home Assistant | Yes | - |
| Needs maker cloud | No | - |
| Build | ||
| Warranty | 1 year | - |
