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ecobee3 Lite Smart Thermostat (Works with Amazon Alexa)

In stock.
Ships from Canada.
  • Advanced control from anywhere using your Android or iOS device.
  • Integrates seamlessly with your preferred smart home system.
  • ENERGY STAR certified, plus you can save up to 23%* annually on heating and cooling costs. *Compared to a hold of 22°C
  • Add SmartSensor to manage hot or cold spots and deliver enhanced comfort to the rooms that matter most.
  • Thoughtfully designed to illuminate when you're nearby. Check the temperature, humidity, and five-day weather forecast.
  • Designed in Canada. Made for the planet.
  • Your hub for ecobee Haven, a home monitoring subscription that connects and enhances your ecobee devices.

ecobee3 Lite Smart Thermostat

Experience a new level of comfort and energy savings with ecobee3 Lite smart thermostat. Saving up to 23% annually on heating and cooling costs, the smart thermostat is an excellent choice for balancing comfort, value, and energy saving. In addition, you can manage your comfort from anywhere with the ecobee app on your iOS or Android mobile device.


Designed for Smarter Savings and Control.

Equipped with the essential features to start saving you up to 23%* annually on heating and cooling. Connect to SmartSensor (sold separately) for better comfort in the rooms that matter most.

  • ENERGY STAR certified
  • Save up to 23%* on annual energy costs
  • Control from anywhere on iOS and Android
  • Apple HomeKit + more integrations
  • Compatible with SmartSensor

* Compared to a hold of 72°F/22°C.

Works in harmony with leading smart home ecosystems including Apple HomeKit.

ecobee thermostats work seamlessly with Apple HomeKit on all iOS devices including Apple Watch, and leading smart home ecosystems including the Google Assistant.







ENERGY STAR approved.

Certified to meet the highest standards of home comfort and energy conservation.


Control from anywhere.

Adjust the temperature and turn on vacation mode anytime, anywhere.


Leave home with peace of mind.

Sends an alert if there is a disruption, like a sudden temperature drop that could lead to frozen or burst pipes.


Works with SmartSensor for enhanced comfort.

SmartSensor keeps you comfortable where you are, not just where your thermostat is. Simply place SmartSensor in the bedroom, office, or child’s room for total comfort and control.

  • Occupancy detection manages temperature automatically.
  • Helps balance your home’s temperature.
  • Control straight from the app or your smart home assistant.

eco+ makes saving energy automatic.

Our next-generation thermostat software unlocks additional energy savings on heating and cooling and enhanced?comfort.

  • Reduces strain on the electricity grid.
  • Automatically heats or cools when electricity is cheaper and cleaner.
  • Adjusts for comfort in high and low humidity.
  • Can pre-cool at times of the day when electricity is less expensive and cleaner.
  • Learns your routine and recommends changes to your thermostat schedule. (With ecobee SmartSensor, sold separately.)

* Compared to a hold of 72°F/22°C.


Thoughtfully designed for everyday life.

The display lights up when you’re nearby so you can check the weather and the five-day forecast.

Warranty & Returns

Warranty, Returns, And Additional Information

Return Policies

  • Return for refund within: 30 days
  • Return for replacement within: 30 days
  • This item is covered by's Standard Return Policy

Manufacturer Contact Info