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ecobee4

The new voice-enabled smart thermostat with room sensors

Room sensor to help manage hot and cold spots
Comes with built-in Amazon Alexa Voice Service
Ask it to order groceries, read the news, and more
249.00

Free 2-day shipping
30-day money back guarantee
3 year warranty
ENERGY STAR® certified
SUPPORTS
AND MORE

Save with the Smarter Bundle
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Room Sensors help manage hot and cold spots of your home, delivering comfort to rooms that matter most.

Comes with built-in Alexa Voice Service built in, so you can ask your ecobee to set a timer, read you the news, adjust the temperature, and more.

Far-field voice technology means your ecobee4 can hear you from across the room.

Easily adjust temperature and comfort settings from your Android and iOS devices.

Save an average 23% on heating and cooling costs each year. Learn more at ecobee.com/savings.

Ensures you're comfortable by using thousands of data points to adjust your home to the right temperature.

Get free monthly reports on how much energy you've saved and tips on how you can save even more.

Hardwired for reliability means ecobee doesn't steal power from equipment to charge itself

Fast, easy installation you can do yourself. Use our handy step-by-step guide right on your phone.

Connects with your accessories to easily manage your humidifiers, dehumidifiers, and ventilators.

help manage hot and cold spots of your home, delivering comfort to rooms that matter most.
built in, so you can ask your ecobee to set a timer, read you the news, adjust the temperature, and more.
means your ecobee4 can hear you from across the room.
and comfort settings from your Android and iOS devices.
on heating and cooling costs each year. Learn more at ecobee.com/savings.
by using thousands of data points to adjust your home to the right temperature.
on how much energy you've saved and tips on how you can save even more.
means ecobee doesn't steal power from equipment to charge itself
you can do yourself. Use our handy step-by-step guide right on your phone.
to easily manage your humidifiers, dehumidifiers, and ventilators.

Install with confidence knowing expert help is just a call away.

Our friendly support team is ready to help with even the toughest questions.

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Technical Specs

echobee3 technical

Display

3.5" full-color LCD touch screen
320 x 480 pixel display

Product dimensions

Thermostat
Length: 109 mm
Width: 109 mm
Depth: 26.1 mm

Room Sensor
Length: 44 mm
With Stand: 54 mm
Width: 44 mm
Depth: 20 mm

Trim plate
Length: 158.59 mm
Width: 158.59 mm
Depth: 8.69 mm

Power Extender Kit*
Length: 44 mm
With stand: 54 mm
Width: 44 mm
Depth: 20 mm

*Optional for installation

Thermostat sensors

Temperature
Humidity
Occupancy
Proximity

Voice & audio

Built-in Alexa Voice Service
Built-in microphones
Built-in speaker
Far-field voice recognition
Sensory TrulyHandsfree™ Wake Word engine

Compatibility

Gas, oil, electric, dual fuel
Conventional (2H/2C)
Heat Pump (4H/2C)
Humidifier, Dehumidifier, Ventilator, HRV or ERV

Wire terminals

Rc
G
Y1
Y2
O/B
PEK

Rh
C
W1
W2
ACC -
ACC +

Connectivity & security

Wi-Fi, IEEE 802.11 b/g/n @ 2.4 GHz
Wi-Fi Protected Access (WPA/WPA2) and Wired Equivalent Privacy (WEP)
DHCP (dynamic) or static IP addressing
Transport Layer Security (TLS)
915MHz

Bandwidth

15+ MB/month (dependent on Alexa Voice Service usage)

Power consumption

less than 3.5 VA

Works with

Apple Homekit, Amazon Alexa, Samsung SmartThings, IFTTT and more.

Powering methods

Wired 24 VAC through terminals C and Rc.
Power Extender Kit enables you to reliably power your thermostat without having to run a fifth wire.

Sustainability

Recyclable packaging
Mercury-free
Arsenic-free
PVC-free
ROHS compliant

Temperature range

Desired Temperature: 45° to 92°F(7° to 33°C)
Display: 40° to 100°F (5° to 37°C)
Sensitivity: +/- 1°F (+/- 0.5°C)
Operating: 32° to 130°F (0° to 55°C)

Humidity range

Display: 20% to 90% RH
Sensitivity: +/- 5% RH
Operating: 5% to 95% RH (non condensing)

Storage

-31° to 113°F (-35° to 45°C)
5% to 95% RH (non condensing)

Warranty

3 year warranty

Languages

English

In the box

ecobee4 thermostat
ecobee4 mounting plate
Room sensor with detachable stand
Install guide
Room sensor manual
Wire labels
Voice cards
Screws and drywall plugs
Optional for installation:
Power Extender Kit (PEK)
Trim Plate

Compare Thermostats

Compare Thermostats

ecobee4

ecobee3 lite

Price

$249

$169

Built-in Amazon Alexa Voice Service (voice enabled)

Yes
No

Far field voice technology

Yes
No

Works with room sensors

Yes; 1 free in box
Yes; sold separately

Integrations

Apple HomeKit, SmartThings, IFTTT, Built-in Amazon Alexa
Apple HomeKit, SmartThings, IFTTT, Works with Amazon Alexa

Display

3.5" Full Color (320X480)
3.5" Full Color (320X480)

Power Extender Kit / C wire for reliability

Yes; in the box
Yes; in the box

Occupancy detection

Yes; thermostat + room sensors
Yes; room sensors

Smart algorithms

Yes
Yes

Free online energy report (HomeIQ)

Yes
Yes

Warranty

3 year customer install
3 year customer install

Wifi

2.4GHz b/g/n
2.4GHz b/g/n

Compatibility

· Conventional (2H/2C).
· Heat pump (4H/2C) incl. 2-stage auxiliary heat.
· Gas, oil, electric.
· Dual fuel support.
· Conventional (2H/2C).
· Heat pump (4H/2C) incl. 2-stage auxiliary heat.
· Gas, oil, electric.
· Dual fuel support.

Accessory support (Humidifier, dehumidifier, ventilator, ERV, HRV)

Yes
No