What is the difference between ecobee 3 and 4?
Matthew Barrera
Updated on April 28, 2026
The only differences between the two is that the Ecobee 4 features a speaker on top of the thermostat, allowing Alexa to speak. In addition to this speaker, The Ecobee 3 is also slightly bigger than its predecessor—109 x 109 compared to 100 x 100—and slightly heavier. Otherwise, the two thermostats are identical.
Is ecobee 3 discontinued?
Is ecobee3 discontinued? Not actively discontinued as you can still get support and purchase the device from major retailers.What is the difference between ecobee models?
The prime difference between Ecobee3 Lite vs Ecobee4 – is that Ecobee3 Lite is a budget model smart thermostat, whereas Ecobee4 is a full featured smart thermostat. Ecobee4 comes with builtin Amazon Alexa and an extra room sensor, but you've to purchase them separately (if you really need) for Ecobee3 Lite.What is the difference between Ecobee4 and 5?
This fifth-generation model looks very similar to 2017's Ecobee4, and it shares that model's built-in Alexa smart speaker features. But the new SmartThermostat does have a number of upgrades, including faster performance, a louder, better-quality speaker, nicer materials, and a completely redesigned remote sensor.What does the Ecobee4 do?
Through far-field voice recognition, ecobee4 will conveniently respond to voice commands from anywhere in the room. ecobee4 is also compatible with the company's signature room sensor technology, which measures occupancy and temperature to deliver comfort when the customer is home and energy savings when they're away.Ecobee3 vs Ecobee3 Lite vs Ecobee4
Does ecobee 3 have voice control?
And, while the Ecobee3 Lite works with all of the major smart home platforms, the SmartThermostat has voice control built-in. That hardware integration allows you to make temperature adjustments whenever you need it through a verbal command, without owning a separate Alexa-enabled smart speaker.When did the ecobee 3 come out?
The Bottom LineAvailable beginning October 31 at Home Depot, Best Buy, Amazon and Ecobee's online store, the $169 Ecobee3 Lite is the least expensive Wi-Fi thermostat you can find today that supports five major smart home platforms.
Is ecobee 3 Lite discontinued?
The ecobee3 has been discontinued. But we still offer the refurbished ecobee3 and the ecobee3 lite! Thank you, but will you offer another ecobee product at the level of the 3 or 4 (non-lite) without Alexa please?! For those that want HomeKit, but not the privacy issues of Alexa.Does ecobee 3 work with Alexa?
Alexa compatible devices such as the ecobee3 and ecobee3 lite smart thermostats. You can control these devices with your voice by speaking to an Alexa-enabled device. They are labeled with the Works with Alexa logo on their packaging.How many versions of ecobee are there?
Below, you'll find the dimensions of all three devices: Ecobee3 Lite – 4.05 x 4.05 x 0.84 inches. Ecobee3 – 1 x 4.05 x 4.05 inches. Ecobee4 – 1 x 4 x 4 inches.Does ecobee 3 Lite have a speaker?
Unlike the more expensive Ecobee SmartThermostat, the 3 Lite does not have an integrated speaker and microphone for built-in Alexa. Instead, you've to ask Alexa on your phone, or on a compatible device like an Amazon Echo smart speaker, to control the Ecobee for you.Is Nest better than ecobee?
Out of the box, Ecobee is more efficient than Nest at knowing if you're away from home because it has a motion sensor on the thermostat and it uses a SmartSensor (separate device) to detect occupancy (in a different room).Which is easier to use ecobee or Nest?
The Ecobee SmartThermostat with Voice Control has an edge over the Nest Learning Thermostat due to its many included options. But you should always consider your home's heating and cooling priorities and go from there.Is ecobee 3 Lite a two stage thermostat?
Supports two-stage heating and coolingecobee thermostats are optimized for one or two-stage heating and cooling equipment. Staging control lets you get the level of comfort you like while lowering energy use.