• 4:37 PM
    TV turned on. You've watched 15 hours of TV this week.
  • 4:33 PM
    Garage door opened.
  • 8:16 AM
    Alert: Iron on for 30 minutes.
  • 8:01 AM
    Dryer turned on. Sense will tell you when it's done.
  • 7:53 AM
    Wash is done.
  • 7:46 AM
    Iron turned on.
  • 6:32 AM
    Heat turned on.

Your walls can talk.

Sense listens.

Every electrical device has a unique electronic signature — its own voice. There is a noisy conversation happening inside your home as every device that’s turned on is talking. All of them. All at once.

The Sense home energy monitor listens to those voices through current sensors on the main breakers in your electric panel. It records them millions of times per second. We then apply multidomain device signature detection algorithms to distinguish one appliance from another — to recognize each individual voice.

Track energy usage like a grocery receipt: item by item. Know where your money is going.


How it works


Install the Sense monitor in your electric panel.


Download the app.


Connect the monitor to Wi-Fi.


Start listening! Sense will automatically detect devices and will tell you what they are saying.

Technical Specs

137mm x 66mm x 32mm


Power consumption
Less than 5 watts.

Wireless specs
Bluetooth Smart

120VAC (90V-130V), 60 Hz
120V split-phase

Advanced Signal Processing
4M/measurements per second
1Ghz ARM Processor

Nice! You use 30% less heat than similar homes.

TV watched this week: 16 hours.

Garage door left open.

Weeknights from 5-7pm you use the most energy.

Save $257 a year by switching to CFLs.

AC on twice as many hours this year relative to last year.

Check for coolant leak.

4pm: garage door opened.

Wash is done!

Vacation alert: basement light turned on!

Iron is still on!

Replace that old fridge, it will pay for itself in 3 years.

What's your home telling you?

Get Sense