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How to install ecobee4.

In most homes, installing an ecobee thermostat is an easy process that takes about 45 minutes. Follow the steps below or scroll down for installation guides and videos, wiring diagrams, troubleshooting tips and more.

  1. Check compatibility with your heating (and cooling) system
  2. Download the ecobee app to install your thermostat

Download the ecobee app.

Installation Videos.

Install with a C wire

Install without a C wire

Guides and manuals

Full install guide

Wiring diagrams

Conventional heating/cooling

Heat pump with auxiliary heat

Dual transformer system

Power extender kit

Other installation resources

Compatibility Checker

What do my thermostat's wire labels mean?

Installation for 2-wire systems

Getting started with your ecobee4

Get to know your Smart Thermostat

Set up and use Apple HomeKit

Set up and use Alexa

Discover eco+ smart features

Not the DIY type?

Hire a professional installer to get your ecobee device up and running quickly.

Brendon Aldridge, owner & technician

ecobee-trained professional

Find a pro

Troubleshooting
:
If your ecobee doesn’t turn on, please try these steps.

For more help with your installation questions, visit the ecobee Support Center.

Here's what you'll find in the box.

  • Illustration of ecobee3 lite

    ecobee4

  • illustration of ecobee3 lite backplate

    Backplate

  • illustration of ecobee3 lite trim plate

    Trim plate

  • illustration of ecobee3 lite power extender kit

    Power extender kit (PEK)

Also included:

  • Screws and drywall plugs
  • Wire labels
  • Installation guide

Tools you'll need:

Required

  • Drill (3/16” drill bit)

  • Flathead screwdriver

  • Phillips screwdriver

Optional

  • Hammer

  • Pencil

  • Wire stripper

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