Aeotec Home Energy Meter 8
#1 in Whole-homeFull review
The Z-Wave choice for a whole-home meter that feeds your existing hub.
Amazon $95.99$95.99
The Aeotec Home Energy Meter 8 is the better home energy monitor overall, rated 3.5 to 3.2. The Aeotec Home Energy Meter 8 leads on local control. The Shelly EM Gen3 wins on value. The Shelly EM Gen3 costs $26 less ($69.99 vs $95.99).
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.
Shelly EM Gen3
#5 in Whole-homeFull review
An inexpensive meter for a single circuit you care about, such as a sub-panel or heat pump.
Amazon $69.99$69.99
Which should you buy?
- Choose the Aeotec Home Energy Meter 8 for local control (local API, MQTT or hub, Home Assistant, works without the cloud vs Home Assistant).
- Choose the Shelly EM Gen3 for value ($69.99 vs $95.99).
Scores 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 8 | Shelly EM Gen3 |
|---|---|---|
| Overall rating | 3.5/5 | 3.2/5 |
| Value 25% | 73 $95.99 | 91 $69.99 |
| 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 | 30 Home Assistant |
| 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 warranty not published, scored as none | 50 3-year warranty |
Specifications
| Aeotec Home Energy Meter 8 | Shelly EM Gen3 | |
|---|---|---|
| Monitoring | ||
| Branch circuits included | None in box | None in box (up to 2) |
| Most circuits supported | - | 2 |
| Mains CT rating | 200 A | - |
| Branch CT rating | - | 50 A |
| Electrical systems | Split-phase | - |
| Solar / net metering | Yes | - |
| Claimed accuracy | ±1% | - |
| Connectivity | ||
| Connection | Z-Wave Long Range | Wi-Fi |
| Local API / MQTT / hub | Yes | - |
| Home Assistant | Yes | Yes |
| Needs maker cloud | No | - |
| Build | ||
| Warranty | - | 3 years |