Apple HomeKit

ecobee3 lite Smart Thermostat

  • $169.95
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  • Overview

    The ecobee3 lite smart thermostat and its companion app on your iPhone or iPad help you live better, while reducing your annual heating and cooling expenses. With its beautiful design, easy-to-use touchscreen display, and HomeKit compatibility, the ecobee3 lite helps make your home smarter and more comfortable without costing you or planet Earth.


    The ecobee3 lite thermostat keeps energy use low when you're not at home, paying for itself over time.

    Room sensors

    Place sensors in your favorite rooms to help address hot and cold spots in your home. Each ecobee pairs with up to 32 sensors. Room sensors are sold separately in packs of two.


    Control your ecobee3 lite from anywhere using the app on your iPhone or iPad. It works with Apple HomeKit, IFTTT, and numerous other technologies.

    Easy use

    A step-by-step guide on the ecobee app—which integrates directly with HomeKit—makes installation and ongoing use a snap.

    Smart out of the box

    Your ecobee understands your schedule, local weather, and desired comfort settings, helping to ensure your home is at the right temperature at the right time. No learning required.


    Saves money by keeping energy use low when you're away

    Room sensors in favorite rooms help address hot and cold spots (Room sensors sold separately)

    Control ecobee3 lite from anywhere using the app on your iPhone or iPad

    Works with Apple HomeKit, IFTTT, and other technologies

    Step-by-step guide on the ecobee app makes installation and use a breeze

    ecobee understands your local weather, schedule, and desired comfort settings to ensure the right temperature at the right time

    Free energy reports give insights into energy use, along with tips for further savings

    Hardwired to your system so ecobee3 lite is always powered on, even in extreme weather conditions

    Designed to be compatible with most home wiring*

    What’s in the Box

    ecobee3 lite Smart Thermostat

    Power Extender Kit (PEK)

    Screws and drywall plugs

    Quick start guide

    Installation guide

    Wire labels

    Tech Specs

    Other Features: HomeKit Compatible, Wireless

    Connections: Wireless

    Power Source: AC

    Height: 0.84 in./2.13 cm

    Length: 4.05 in./10.29 cm

    Width: 4.05 in./10.29 cm

    Weight: 13.6 oz./385.55 g

    Manufacturer Information

    Part Number

    Mfr. Part Number: EB-STATE3LT-02

    UPC or EAN No.: 627988303154


    Note: Products sold through this website that do not bear the Apple brand name are serviced and supported exclusively by their manufacturers in accordance with terms and conditions packaged with the products. Apple’s Limited Warranty does not apply to products that are not Apple branded, even if packaged or sold with Apple products. Please contact the manufacturer directly for technical support and customer service.

    Warranty: Three-year limited

    Manufacturer Note

    *To verify compatibility with your house's wiring, please visit **Based on an ecobee internal analysis of U.S. homes conducted on October 2, 2013.

  • iPhone Models

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  • Answers from the community

    • What makes this a "lite" ecobee3 Smart Thermostat?
      • Asked by Kirk K from Tulsa
      • on May 8, 2017


      My first thought too! Quote from the ecobee website:

      The ecobee3 lite is very similar to the ec My first thought too! Quote from the ecobee website:

      The ecobee3 lite is very similar to the ecobee3, but does not include support for whole home accessories such as HRVs, Ventilators, Humidifiers, Dehumidifiers. But you still get all the other smart functions offered by the ecobee3; Wireless Sensors, Smart Home/Away, Follow Me, Smart Recovery, Schedule and Vacation settings, Home IQ, connection to Homekit/Amazon Echo/IFTTT/Smart Things and Wink, Alerts and Reminders and our Web Portal and Mobile App.

      • Answered by Michael J from Statham
      • on Jun 25, 2017