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Sensi Classic Thermostat

Sensi Classic Thermostat

ecobee3 Lite Thermostat

Retail Price $149.99 Retail Price $99.99

After $50.00 in potential instant savings!

Ecobee, Emerson and Honeywell thermostats may be eligible for the AC Rewards program. Enroll your device in this program and receive a $75 bill credit from Xcel Energy and an annual $25 bill credit. Learn more about AC Rewards by visiting the AC Rewards Page.

The ecobee3 Lite Thermostat is packed with smart features to help you take charge of your home comfort and energy bills. It learns your schedule and programs itself, turns itself down when you are away, and offers advanced reporting to help you save money. When programmed properly, a smart thermostat can reduce energy use from 5%-15% per year.

  • Creates automatic heating/cooling schedule
  • Control and monitor home temperature from anywhere using the app
  • Pairs with ecobee SmartSensors for whole-home comfort (sold separately)
  • Works with Apple Home Kit, Amazon Alexa, Google Assistant

Before ordering, please confirm system compatibility.
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ecobee3 Lite Thermostat
ecobee3 Lite Thermostat

In stock



Product Features


ecobee3 Lite Thermostat programs itself and helps you save energy

Programs and Adjusts Itself

The ecobee3 Lite simplifies home comfort and energy efficiency, learning your behavior to program itself. Turn it up and down as you please and ecobee will create a custom heating and cooling schedule for you.


Home/Away Feature for Effortless Savings

Thanks to occupancy sensors in your ecobee3 Lite, saving energy is effortless! When you arrive, ecobee turns itself up. When you leave, ecobee turns itself down to save energy. 


ecobee SmartSensor to pair with ecobee3 Lite smart thermostat.


Pairs with ecobee SmartSensors

ecobee3 Lite pairs with ecobee SmartSensors. SmartSensors are designed to detect temperature and occupancy in rooms throughout your home.This allows you to deliver comfort in the rooms that matter most.

SmartSensors sold separately. Pair your ecobee with up to 32 sensors.


Control ecobee smart thermostat from anywhere with app

Control from Anywhere

The ecobee3 Lite app allows you to be in control of your home thermostat and energy use from anywhere.

  • Turn your thermostat up or down from anywhere
  • Receive alerts if something is wrong with your heating or cooling system
  • View free energy reports to learn much energy you’ve used and saved.


HVAC Compatibility


Compatible with Most Systems

ecobee3 Lite thermostats are compatible with most HVAC systems, old and new. This includes radiant heating systems, multistage, and dual-fuel heat pumps.

Make sure this product is compatible with your heating/cooling system by leaving this marketplace site and going to the manufacturer's website to utilize this compatibility checker tool. 


Power Extender Kit Included

If your old thermostat’s wiring doesn’t include a C wire, in most cases you can still install an ecobee with the included Power Extender Kit.

Smart Home Compatibility

ecobee3 Lite works with Apple Home Kit, Amazon Alexa, Google Assistant, Samsung Smart Things, and IFTTT.

ecobee3 Lite thermostat smart home compatible for voice control


Easy Install

In most homes, installing an ecobee thermostat is easy and takes about 45 minutes. Simply follow the steps in the installation guide.

Download Ecobee Installation Guide

back of ecobee3 Lite thermostat for install

What's in the Box

  • Thermostat
  • Backplate
  • Trim Plate
  • Power Extender Kit
  • Screws and drywall plugs
  • Wire labels
  • Installation Guid

More Information

Manufacturer Ecobee
Manufacturer Model EB-STATE3LT-02
Manufacturer Specific No


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