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Maximize Your Comfort with ecobee3 lite Smart Thermostat

Congratulations on bringing the ecobee3 lite thermostat into your home! Now, it’s time to unlock its full potential and experience the comfort and energy savings it offers. This guide will walk you through setting up your ecobee3 lite, exploring its features, and optimizing its performance for a truly smart home experience. You can also download this brochure in a pdf format

Table of Contents

Donwload the ecobee app

The ecobee smart thermostat works with:

  • Google
  • Smart Things
  • Apple Home 
  • Amazon Alexa

Additional information can be found on ecobee’s website.

What is a Hold?

Manual Hold:

On the ecobee Thermostat

  • Tap the displayed temperature to bring up the temperature selector screen.
  • Use the + and – buttons or swipe up and down to increase or decrease the setpoint to the desired level.
  • Tap the selected temperature to place the hold.

On the ecobee app

  • Tap Home > Tap the Thermostat > Tap on the displayed temperature to use the + and – buttons or swipe up and down to increase or decrease the setpoint to the desired level. Then tap the highlighted number to place the hold.

Comfort Setting Hold

If you want to engage a particular Comfort Setting outside of your normal schedule, you can enable a Comfort Setting Hold.

On the ecobee Thermostat

  • Go to Main Menu > then select your desired Comfort Setting from the drop-down menu.

On the ecobee app

  • Tap Home > Tap the Thermostat > Tap the Toggle in the bottom right then select your desired comfort setting.

Hold Duration

You can change your Hold duration preference to hold for 2 hours, 4 hours, Until the Next Scheduled Activity, Until I Change It, or Decide at the Time of Change.

On the ecobee Thermostat

  • Go to Main Menu > General > Preferences, then Hold action

On the ecobee app

  • Tap Home > Tap the Thermostat > Menu > Device Settings then, Hold Action

Cancel Hold

Tap the small x icon in the Hold bubble to cancel the Hold and resume your schedule.

Setting up the temperature

Adjust Manually:
Tap the thermostat screen to wake it up. Slide your finger up or down on the right side of the screen to set your desired temperature.

A smart thermostat with a black face and a white display. The display shows the current temperature and humidity level. The ecobee logo is visible on the thermostat.

Use the App:
Open the ecobee app on your smartphone. Select your thermostat and adjust the temperature by dragging the slider to your preferred setting.

Schedule for Convenience

Set a daily or weekly schedule in the app to automatically adjust temperatures based on your routine, ensuring comfort while optimizing energy use.

How to enable Auto Heat/Cool on your ecobee Thermostat

On the thermostat:

  • Go to the Main Menu Hamburger menu icon > General Settings icon > Settings > Installation Settings > Thresholds > Auto Heat/Cool, then select Enable.
  • Once it is enabled, you can activate Auto mode by navigating back to the Home screen and selecting the System mode icon HVAC auto icon above the temperature. You can also activate Auto mode by performing the same action from the Thermostat Home Screen in the ecobee app.

How the ecobee 3 lite thermostat works

  • The ecobee displays two setpoints: one for cooling (blue) and one for heating (orange).


  • If the temperature exceeds the cooling setpoint, the ecobee activates the cooling equipment to lower the temperature. If the temperature drops below the heating setpoint, the ecobee activates the heating equipment.

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