Specification

Product dimensions
Smart Thermostat
Length: 103.89 mm (4.09 in)
Width: 103.89 mm (4.09 in)
Depth: 23.88 mm (0.94 in)
Trim Plate
Length: 143.5 mm (5.65 in)
Width: 159. 9 mm (6.29 in)
Depth: 7.71 mm (0.3 in)
Power Extender Kit
Length: 62 mm (2.44 in)
Width: 62 mm (2.44 in)
Depth: 23 mm (0.90 in)
SmartSensor
Length: 40 mm (1.58 in)
With stand: 50 mm (1.58 in)
Width: 40 mm (1.6 in)
Depth: 26.4 mm (1.03 in)
ecobee.com/smart-thermostats
Works with other ecobee products
Our Smart Thermostat Premium
seamlessly connects to ecobee Smart
Security (subscription required),
alongside our SmartSensors,
SmartCamera with voice control, and
SmartSensors for doors and windows.
Compatibility
Works with most 24VAC HVAC equipment,
including conventional furnaces and air
conditioners (2H/2C), heat pumps (2H/2C +
2 stage AUX heat), boilers, and PTACs or fan
coil units with up to 3 fan speeds.
1- and 2-wire accessory support for humidiers,
dehumidiers, and ventilators (HRV/ERV).
To check compatibility visit:
ecobee.com/compatibility
Wire terminals
RC
RH
G
Y1
Y2
C
W1
W2
O/B
ACC+
ACC-
PEK+
HVAC accessory support
Two 1-wire acc. or one 2-wire accessory.
Control an accessory HVAC device like a
humidier, dehumidier, or ventilation device.
Powering method
Hardwired. Power Extender Kit enables you
to reliably power your thermostat if a C-wire
is not available.
Power consumption
2W idle
2.7W peak
Bandwidth
15MB/Mo
*
*Depending on Alexa usage
Connectivity and security
Dual-band Wi-Fi: 802.11 b/g/n @ 2.4GHz,
802.11 a/n/ac @ 5GHz
Bluetooth 5.0, A2DP, LE
WEP 64, WEP 128, WPA, and WPA2
encryption methods
DHCP (dynamic) or static IP addressing
168-bit SSL encryption
915MHz radio
Display
4” full-color touch screen LCD
540 x 540 pixel display
Thermostat sensors
Temperature
Humidity
Proximity
Occupancy
Air Quality (VOC & eCO2)
Design
Full-screen design with 50% larger
usable display screen than our previous
thermostats.
Improved screen resolution (540x540).
New menu for easier navigation.
New indicator to quickly identify when
system is heating or cooling.
A clean, seamless glass display front.
Die cast metal backing – zinc alloy.
Sustainability
Fully recyclable or compostable packaging
Tapioca insert packaging
Mercury-free
Arsenic-free
PVC-free
RoHS compliant
Features
Radar occupancy & proximity sensing
Air quality monitor
Multi-speed fan support
Control through iOS & Android apps and
Apple Watch
Alexa Built-In
Siri Enabled
Voice and audio
Built-in microphones
Built-in Speaker
Far-eld voice recognition
Temperature range
Desired: 45°F to 92°F (7°C to 33°C)
Display: 40°F to 100°F (5°C to 37°C)
Sensitivity: +/- 1°F (+/- 0.5°C)
Operating: 5% to 95% RH (non-condensing)
Humidity range
Display: 20% to 90% RH
Sensitivity: +/- 5% RH
Operating: 5% to 95% RH (non-condensing)
Storage
Temperature: -31°F to 113°F (-35°C to 45°C)
Humidity: 5% to 95% RH (non-condensing)
What’s in the box
ecobee Smart Thermostat Premium
ecobee SmartSensor with detachable stand
or wall mount
Backplate
Wire labels
Screws & drywall plugs
Power extender kit
Trim plate
Quick start guide
Warranty
Guaranteed reliability and easy install with
everything you need included in the box.
Industry leading 3-year warranty.
© 2022 ecobee Inc. All rights reserved. ecobee and the ecobee logo are trademarks of ecobee Inc., registered in the U.S. and other countries. Designed in Canada. The Wi-Fi CERTIFIEDTM logo is a certication mark of
Wi-Fi Alliance®. Apple HomeKit technology provides an easy, secure way to control your home’s lights, doors, thermostats, and more from your iPhone or iPad. Controlling this HomeKit-enabled accessory requires an
iPhone or iPad with iOS 9 or later. Apple, iPhone and iPad are trademarks of Apple Inc., registered in the U.S. and other countries. HomeKit is a trademark of Apple Inc. Google is a trademark of Google LLC. Amazon,
Alexa and all related logos are trademarks of Amazon.com, Inc. or its afliates. To control this HomeKit-enabled accessory, the latest version of iOS or iPadOS is recommended. Accessing Siri on this HomeKit-enabled
accessory requires iOS 15 or iPadOS 15 and above, and a HomePod or HomePod mini with software version 15 and above. For full access to ecobee features such as remote operations, mobile alerts and software
updates, your ecobee device requires a Wi-Fi network, a working Internet connection, a compatible IOS or Android device, the free ecobee app, and an ecobee account. The availability of certain features and services
are service-, device-, and network- dependent and may not be available in all areas. All features. functionality, and product specications are subject to change without notice.