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ENERGY STAR® certified product.

ecobee3 Lite Smart Thermostat

Full Price: $149.99
$49.99 $19.99 on sale + sales tax
Your Price with the National Grid Instant Rebate.
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Before you purchase this thermostat, please make sure it is compatible with your HVAC system. Check compatibility here. Incompatible thermostats will not be eligible for a return. View our return policy.
Limit of 1 smart thermostat rebate per customer, per year

Make your smart thermostat even smarter with ConnectedSolutions.

Enroll to earn a $30 instant incentive, and an additional $20 annual incentive for every thermostat connected to a central air conditioner.

Learn more

women sitting at her desk smiling

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, 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 ecobee3 Lite Smart Thermostat 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 at work, and savings when you’re not.

ecobee3 lite mobile app

Features

remote control from phone tablet laptop devices

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

Conserve Energy Geofencing

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.

Tips to help reduce your energy use

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.

Filter Change Notifications

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

Family Accounts

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

3 year warranty

Comes with a three-year limited warranty.

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 seperately at ecobee.com.

Room Sensor
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