Energy Monitors · Head to head

Aeotec Home Energy Meter 8 vs Shelly 3EM-63W Gen3

Full Smart Energy Monitors comparison in 2026

Updated November 2026
Data from the official Aeotec and Shelly sites.
2026 verdict
Across the 2026 comparison, Shelly 3EM-63W Gen3 earns the nod over Aeotec Home Energy Meter 8 on the strength of rating, warranty, and connectivity.
Shelly 3EM-63W Gen3
Winner
Shelly 3EM-63W Gen3
$114.99
Buy on Amazon USA
Its strongest advantages show up in rating, warranty, and connectivity, with integrations and data & monitoring helping widen the gap. Pick Aeotec Home Energy Meter 8 only when price is the deciding factor for your setup. Overall, Shelly 3EM-63W Gen3 makes more sense for most people.
Works with
Connectivity
vs
Works with
Connectivity
News by email

Still comparing? Get what's new by email

New releases and the smart home news worth knowing, in your inbox.

Smart home news and new releases, straight to your inbox

New releases, comparisons and the smart home news worth knowing.

No spam. Unsubscribe in one click.

Your subscription could not be saved. Please try again.
Please enter a valid email address.
Tick the box above to finish signing up.
We couldn't verify you're human. Please try again.
Too many attempts. Please try again in an hour.
Your subscription has been successful.
FeatureAeotec Home Energy Meter 8Shelly 3EM-63W Gen3Winner
Price$95.99$114.99Aeotec Home Energy Meter 8
Rating4.24.5Shelly 3EM-63W Gen3
Warranty1 year3 yearsShelly 3EM-63W Gen3
ConnectivityZ-Wave2.4 GHz WiFi, BluetoothShelly 3EM-63W Gen3
IntegrationsSamsung SmartThings, Home AssistantGoogle Home, Alexa, Samsung SmartThings, Home AssistantShelly 3EM-63W Gen3
Data & MonitoringNoneEnergy Cost Tracking, Time-of-Use Rates, Data Export, Usage AlertsShelly 3EM-63W Gen3
Local ControlNoneLocal API, MQTT, Local Web InterfaceShelly 3EM-63W Gen3
Load ManagementNOYESShelly 3EM-63W Gen3
MeteringSplit-Phase Support, Solar Net Metering, Power Factor ReadingsThree-Phase Support, Solar Net Metering, Power Factor ReadingsTie
Breaker Panel InstallYESYESTie
Smart Meter PortNONOTie
Relay OutputNONOTie

Frequently Asked Questions

Which is better overall: Aeotec Home Energy Meter 8 or Shelly 3EM-63W Gen3?

Shelly 3EM-63W Gen3 has the stronger overall profile in this comparison, especially for rating, warranty, and connectivity.

What is the biggest difference between Aeotec Home Energy Meter 8 and Shelly 3EM-63W Gen3?

Price is one of the clearest differences: Aeotec Home Energy Meter 8 lists $95.99, while Shelly 3EM-63W Gen3 lists $114.99.

Which one looks better on price?

Aeotec Home Energy Meter 8 is listed at $95.99, while Shelly 3EM-63W Gen3 is listed at $114.99. Aeotec Home Energy Meter 8 (better spec).

Who should buy Aeotec Home Energy Meter 8?

Choose Aeotec Home Energy Meter 8 if your priority is price and that matters more than rating.

Who should buy Shelly 3EM-63W Gen3?

Choose Shelly 3EM-63W Gen3 if your priority is rating and warranty and that matters more than price.

Spotted something wrong on this page? Tell us and we will fix it.

AmazonOur store on AmazonShop our ideas on AmazonLists of the smart home setups we would put together ourselves, ready to add to your Amazon cart.Shop on Amazon
Full comparison table

Compare all 25 Energy Monitors side by side

You are looking at two of them. The full table lines up all Energy Monitors in the catalog with the same specs, so you can filter by what you need and sort by price or rating.

  • 25 Energy Monitors
  • 47 specs compared
  • 44 filters
Open the full comparison
More Energy Monitors

Top Energy Monitors to compare next

25 home energy monitors from 8 brands compared: Shelly, Emporia, Refoss and more. Circuit counts, CT clamps, local control and Home Assistant support.

All Energy Monitors
Aeotec

More Aeotec products

A sharper look at other Aeotec products worth comparing.

Explore Aeotec
Shelly

More Shelly products

A sharper look at other Shelly products worth comparing.

Explore Shelly
Independent · Not sponsoredBrands never pay for placement or rankings. Affiliate commissions never influence our comparisons.

As an Amazon Associate I earn from qualifying purchases.

CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED ‘AS IS’ AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

© 2026 Smart Home Compared
Search