Specification

Compatibility
Works with most 24VAC HVAC equipment,
including conventional furnaces and air
conditioners (2H/2C), heat pumps (2H/2C +
1 stage AUX heat), boilers, and PTACs or fan
coil units with up to 3 fan speeds.
1-wire accessory support for humidiers,
dehumidiers, and ventilators (HRV/ERV).
To check compatibility visit:
ecobee.com/compatibility
Wire Terminals
C
W1
R
W2/OB
G
PEK+
Y1
Y2
HVAC accessory support
Control a one-wire HVAC accessory device
like a humidier, dehumidier, or ventilator.
Note: Self-powered accessories will require an
additional 24V isolation relay.
Powering method
Hardwired. Power Extender Kit enables you
to reliably power your thermostat if a C-wire
is not available.
Power consumption
1.6W idle
2W peak
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
Bandwidth
15MB/Mo
Display
4” full-color touch screen LCD
540 x 540 pixel display
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.
Thermostat sensors
Temperature
Humidity
Proximity (radar)
Occupancy (radar)
Sustainability
Energy Star Certied
Fully recyclable or compostable packaging
Tapioca insert packaging
Mercury-free
Arsenic-free
PVC-free
RoHS Compliant
Features
Radar occupancy & proximity sensing
Multi-speed fan support
Control through iOS & Android apps
and Apple Watch
Works with all major integrators
Temperature range
Desired: 45° to 92°F (7° to 33°C)
Display: 40° to 100°F (5° to 37°C)
Sensitivity: +/- 1°F (+/- 0.5°C)
Operating: 14° to 122°F (-10° to 50C°)
Humidity range
Display: 20% to 90% RH
Sensitivity: +/- 5% RH
Operating: 5% to 95% RH (non-condensing)
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)
ecobee.com/smart-thermostats
© 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.
Works with other ecobee products
Our Smart Thermostat Enhanced
seamlessly connects to ecobee Smart
Security (subscription required),
alongside our SmartSensors,
SmartCamera with voice control, and
SmartSensors for doors and windows.
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 Enhanced
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.