With its room sensor and built-in Amazon Alexa Voice Service, the ecobee4 is your ultimate answer to a smart thermostat for the best smart home.
The ecobee4 has embedded microphones with far-field voice recognition and a speaker engineered for clear voice and full sound.
With 10,000 skills and counting, users can just ask ecobee4 to adjust the temperature, read the news, tell you a joke, and more—even from across the room.
The ecobee4 comes with a room sensor to help manage hot or cold spots in your home. Additional room sensors are sold separately.
Adjust temperature and comfort settings easily from the ecobee mobile app on your Android and iOS devices, including Apple Watch.
The ecobee4 keeps energy use low when you’re not home and saves you up to 23%* on your heating and cooling.
*Compared to a hold of 72°F.
The ecobee4 works with Apple HomeKit, Google Assistant, Samsung SmartThings & more! For a full list of integrations, visit the official website.
Use the handy step-by-step guide right on your phone or call the free expert support.
| Model | ecobee4 | ecobee3 Lite |
|---|---|---|
| Voice | Built-in Alexa Voice Service and far-field voice technology | No built-in voice service. |
| Sensors | Room sensor compatible; comes with one free | Room sensor compatible; sold separately |
| Display Size | 3.5" touchscreen | 3.5" touchscreen |
| Compatibility | Conventional (2H/2C), heat pump (4H/2C) incl. 2-stage auxiliary heat, gas, oil, electric and dual-fuel support | Conventional (2H/2C), heat pump (4H/2C) incl. 2-stage auxiliary heat, gas, oil, electric and dual-fuel support |
| Accessory Support | Humidifier, dehumidifier, ventilator, HRV or ERV | No accessory support |
| Savings (Compared to a hold of 72°F) | Up to 23% annually on heating and cooling | Up to 23% annually on heating and cooling |
| Reliability | Hardwired for reliable power | Hardwired for reliable power |
| Smart | Uses room sensors, local weather and your schedule to deliver cost savings and comfort. | Uses room sensors, local weather and your schedule to deliver cost savings and comfort. |