ENERGY STAR® certified product.

ecobee3 lite smart thermostat

Retail Price: $149.99
You save $125.00 after instant rebate.
Your Price: $24.99

Be sure to check compatibility with your HVAC system here.

Purchase Limit: 1 smart thermostat per eligible residential address.

One small change can make all the difference.

With its beautiful design, easy-to-use touchscreen display, and up to 23% savings on heating and cooling costs, the ecobee3 lite is the smarter thermostat that helps you live better and save more.*

Energy Star

* Compared to a hold of 72°F.

Eco and sensor sitting on table in modern style room

The ecobee SmartThermostat is easy to install yourself, usually in 30 minutes or less.

View Installation Details

Need more help? Visit the ecobee support pages.

Controls from anywhere.

Adjust temperature and comfort settings easily from your Android and iOS devices, including Apple Watch. The ecobee3 lite works with your local weather, schedule, and desired comfort settings. That’s how we ensure comfort when your home, and savings when you’re not.

ecobee3 lite mobile app


phone with check mark

Includes remote control capabilities from your phone, tablet or laptop.

Smart Home and Away

Experience comfort when you’re home and reduce energy use when you’re out with Smart Home & Away, which detects your presence and automatically adjusts the temperature.

Phone with chat bubble

Get a monthly savings report and compare your results to other homes in the area. It’s like an energy audit at no extra cost.


The app notifies you of sudden temperature drops that could result in frozen or burst pipes and when the system needs maintenance.

Smart Home and Away

Allows you to set up accounts for everyone in the family, so they can make adjustments from their mobile devices.


Comes with a three-year limited warranty.

View Additional Specs

Take your home comfort to new heights.

With Room Sensor™ to help manage hot or cold spots at your home, delivering comfort to the rooms that matter most. Can pair with up to 32 sensors.
Sold Separately

Room Sensor

ecobee3 lite smart thermostat

Retail Price: $149.99
You save $125.00 after instant rebate.
Your Price: $24.99