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Where to buy
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Specs confirmed against the manufacturer. How we check →
Shelly
Shelly Pro 3EM
$330
On the higher end for compatible whole home energy monitors · $22 to $349 in our catalog
Before you buy
Works offline
Good fit if you use Amazon Alexa or Google Home and want it to keep working without the internet.
Works with
Works with Amazon Alexa, Google Home out of the box, no hub needed.
Google HomeAmazon Alexa
✓ full support (native, Matter, or a built-in integration).
Run a different system? Find a whole home energy monitor that works with Apple Home.
Specifications
Connectivity & control
- Connectivity
- Wi-Fi 2.4 GHz, Wired Ethernet, Bluetooth LE
- Hub
- No hub
- Local control
- Runs locally
- Power
- Hardwired
Physical
- Weight
- 17.4 oz
Product info
- Brand
- Shelly
- Made by
- Allterco Robotics
- Type
- Whole home energy monitor
- Region
- United States
- Availability
- In production
- Model number
- 3EM
- UPC
- 3800235268117
What you get at each price
Compatible options in this category, confirmed against the manufacturer. Spend less or more with your eyes open.
Spend less
$179
Emporia Vue Energy Monitor (Gen 2)
Emporia Energy
No hub
You are here
$330
Shelly Pro 3EM
Shelly
No hub
Runs locally
Spend more
$349
Sense Energy Monitor
Sense
No hub
