ecobee 3 Lite Smart Wi-Fi Thermostat

ecobeeSKU: 29944



Engineered for energy savings. Designed for you

  • Uses local weather and your system to take the least amount of time to cool or heat your home.
  • Vacation mode keeps energy use low and easy to adjust while you enjoy some much deserved time away.
  • Alerts and reminders help you solve issues faster by notifying you right away if ecobee senses something isn’t working.

Smarter Control

Free energy reports give you insights on how much you’ve saved based on run times and offer tips for further savings.

Smarter Comfort

By knowing your schedule and the weather, ecobee3 lite adjusts your home to the right temperature, at the right time.

Pair your ecobee3 lite with Sensors for all-around comfort and savings*

  • Room Sensors - Measure temperature and occupancy in the rooms they’re in to help manage hot and cold spots throughout the home.
  • More Savings - Automatically adjusts your ecobee to the right mode for savings when it senses you're not home.
  • More Control - Get room-specific temperature and occupancy readings with the ecobee mobile app on your iOS or Android device.

Supports your connected home to make life simpler

  • Use Apple HomeKit to control your ecobee with Siri’s help on your iPhone, iPad or Apple Watch.
  • With Amazon Echo, easily change the temperature and more with just your voice.
  • Integrates seamlessly with Samsung SmartThings, IFTTT and more.

ecobee is hardwired so you'll never be left out in the cold

Being hardwired means your thermostat isn’t relying on a battery or your HVAC equipment to charge itself (aka “power-stealing”). A little bit extra, for no extra.

Effortless control at your fingertips.

Adjust temperature and comfort settings easily from your Android and iOS devices, including Apple Watch.

Manufacturer ecobee
Manufacturer Product No. EB-STATE3LTP-02
UPC 627988303253
Display 3.5” full-color LCD touch screen
320 x 480 pixel display
Thermostat Dimensions (L x W x D) 102.88 mm x 102.88 mm x 21.4 mm
Trim Plate Dimensions (L x W x D) 170 mm x 170 mm x 6.25 mm
Power Extender Kit* Dimensions (L x W x D) 62.1 mm x 60.1 mm x 21.4 mm (*Optional for installation)
Compatibility Gas, oil, electric, dual fuel
Conventional (2H/2C)
Heat Pump (4H/2C)
Wire Terminals Rc - Y2
Rh - W1(AUX 1)
G - W2 (AUX 2)
C - O/B
Y1 - PEK
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)
Bandwidth 15-20 MB/month
Power Consumption less than 3.5 VA
Apple HomeKit Enabled Controlling this HomeKit-enabled accessory requires an
iPhone, iPad, or iPod touch with iOS 9 or later.
Powering Methods Wired 24 VAC through terminals C and Rc or Rh
Power Extender Kit (included) enables you to reliably power your thermostat without having to run a fifth wire
Green Recyclable packaging
ROHS compliant
Temperature Range Desired Temperature: 44° to 92°F
Display: 41° to 98°F
Sensitivity: +/- 0.9°F
Operating: 32° to 131°F
Humidity Range Display: 20% to 90% RH
Sensitivity: +/- 5% RH
Operating: 5% to 95% RH (non condensing)
Storage -31° to 113°F
5% to 95% RH (non condensing)
Warranty 3-years
  • 1x - ecobee3 Lite Thermostat
  • 1x - ecobee3 Lite Backplate
  • 1x - Power Extender Kit (PEK)
  • 1x - Large Trim Plate
  • 1x - Installation Guide
  • 2x - Drywall Plugs
  • 2x - Screws

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