Ecobee3 vs Ecobee3 Lite

Ecobee3 vs Ecobee3 Lite – Check the Difference & Get the Best One


Ecobee3 vs Ecobee3 LiteEcobee3 and Ecobee3 Lite will make your home temperature cozy and comfy. Both will provide you the most comfortable service in a smart way. But Ecobee3 is comparatively better than its competitor since it has a motion sensor including other advanced features. Let’s see those functions that made Ecobee3 the best choice here.

Why You Should Choose Ecobee3?

  • Ecobee3 comes with a motion sensor. Contrary, Ecobee3 Lite lacks this feature. Thus, Ecobee3 turns on whenever you walk past it. So, you can have a look at your thermostat without touching it when you are not capable of using your hand.
  • Ecobee3 appears with a room sensor feature, but Ecobee3 Lite does not have this feature. So, Ecobee3 provides up to 3 room sensors, according to your purchased kit with it.
  • Lastly, Ecobee3 Lite is not compatible with the humidifier and dehumidifier along with ventilators. It can not help your home by itself to turn it into a winter home when it is warmer outside. In contrast, Ecobee3 supports all three of them, from the humidifier to the ventilators. It keeps your home at whatever temperature it needs to be by itself।

All these key functions made Ecobee3 a better choice than Ecobee3 Lite. If you can avoid all these causes on your system then you can go for Ecobee3 Lite. Even, Ecobee3 is also a budget-friendly thermostat. To know the price of these two products, click the buttons below.


Similar Features in Ecobee3 and Ecobee3 Lite

  • Ecobee3 and Ecobee3 Lite have a 3.5” LCD touch screen.
  • They both are mobile app compatible.
  • These two support smart devices.
  • They both come with a 3-year warranty.
Specification Ecobee3 Ecobee3 Lite
Editor’s Rating 4.8 Out of 5 4.6 Out of 5
Dimension 3.95 x 3.95 x 0.93 4.05 x 1 x 4.05
Weight 1.35lbs 1lbs
Motion Sensor Yes No
Room Sensor Yes No
Humidifier Support Yes No
Speaker No No
Dehumidifier Support Yes No
Amazon Alexa No No
Ventilator Support Yes No
LCD Touch Screen Yes Yes
Mobile App Control Yes Yes
Far Voice Recognition No No
Smart Device Support Yes Yes
Warranty 3 Years 3 Years

Difference and Similarity Between Ecobee3 and Ecobee3 Lite

Product Weight and Size

They come in slightly different weights and sizes. Ecobee3’s weight is 1.35 pounds, and Ecobee3 Lite’s weight is 1 pound. The dimension is 3.95 x 3.95 x 0.93 inches for Ecobee3 and 4.05 x 1 x 4.05 inches for Ecobee3 Lite. They are small, slim, and compact to fit in and take very tiny space. 

Room Sensor and Motion Sensor

Ecobee3 appears with a room sensor and motion sensor. The room sensor works inside a room, collects data of different temperatures around the room, and sets an appropriate temperature for the thermostat room. The motion sensor works by detecting your motion. It has three moods: Home Mood, Away Mood, and Follow Me Mood. The motion sensor detects your motion in the room; if there is a motion, it turns on the Home Mood; if there is no motion, it turns on the Away Mood. The Follow Me Mood works with your moving; if you are moving, it follows you and sets the temperature according to you wherever you are in the house.

Voice Control

Your voice can control these two Ecobee thermostats. They can connect any smart home devices such as Apple Homekit, Google Home, and Amazon Alexa. By setting any of these, you can command it and make it work.

LCD Touch Screen

Ecobee’s second-generation thermostat Ecobee3 and Ecobee3 Lite have a 3.5” LCD touch screen. You can control the menu with that LCD touch screen. You can also manage all the smart home devices with this Amazon Alexa, Google Home, and Apple Home kits to manage with this screen. You can switch on or off the smart devices too. Besides, you can manage the microphone with this touch screen.

Wifi and Mobile Compatibility

They are compatible with mobile apps. Yes, you can manage these two thermostats with a mobile app from your mobile. They mostly work on wifi connectivity. But if you do not want to connect wifi, they will give a manual thermostat’s service instead of a smart one. Last but not least, they can be managed by web portals too from any computer.


The Ecobee company supplies a three years warranty deal with Ecobee3 and Ecobee3 Lite. They promise you a three-year backup for these two thermostats. If you can be carefree about your smart thermostat for almost three years, then it is a good deal.


Ecobee3 is the better one among Ecobee3 and Ecobee3 Lite because of its compatibility with humidifier, ventilator, and dehumidifier. Its included room sensor and motion sensor are everything you need in a smart and lavish thermostat to place it in your home. Still, if you are looking for an affordable thermostat and do not want sensors, you can have the Ecobee3 Lite. If your system has no humidifier and dehumidifier, you can choose Ecobee3 Lite without any regret. In the end, it is only in your hand what you want to have in a thermostat for your place. 

Frequently Asked Questions About Ecobee3 and Ecobee3 Lite

What is the dimension of Ecobee3?

The dimension of Ecobee3 is 3.95 x 3.95 x 0.93 inches.

Does Ecobee3 Lite work with Google Home?

Yes, Ecobee3 Lite works with Google Home if you connect separately.

Do baby monitors create any problem with Ecobee3’s wifi connection?

No, Baby monitors do not create any problem with the wifi connection of Ecobee3.

Will Ecobee3 Lite work on a boiler?

Yes, It will work on a boiler if the boiler is compatible with Ecobee3 Lite.

Can Ecobee3 be controlled through the web?

Yes, you can control Ecobee3 via web portals on any computer.

Check out more thermostat comparisons here.

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