Smart Thermostat Lite

image of ecobee thermostat being installed

Are you a contractor? Find out all the technical info.

Simple design. Serious savings. Trusted by pros.

Join the millions who love and trust ecobee with this easy-to-use, Wi-Fi-connected smart thermostat designed to save you money.

Guaranteed energy savings
Easy-to-use touchscreen
Control from anywhere
(Wi-Fi connection required)
Save even more with eligible rebates. Learn more

HVAC technician shows homeowner how to use an ecobee thermostat

So smart it pays for itself.

Our smart thermostats are ENERGY STAR® certified to guarantee industry-leading energy savings. Save up to 23%^* per year on heating and cooling costs with Smart Thermostat Essential. That’s about $250 in annual savings, meaning it pays for itself in just six months!¹

Here’s how you save:

1. Set it and forget it
Select your comfort settings and customize your schedule. You can adjust your schedule anytime on the thermostat or in the app.
2. Let the savings begin
Set a schedule. The system will avoid unnecessary heating and cooling when you’re away, saving you money on your energy bill.
3. Discover even more savings
Track your energy savings on the go from the ecobee app. Tweak your schedule and comfort settings to save even more.

man shakes hands with an hvac technician

Rated best in category by customers and experts alike.

We invented the smart thermostat and are committed to building innovative home technology that helps you save monthly on energy bills. Our Smart Thermostats are consistently rated best in the industry by tech reviewers (including by The New York Times Wirecutter and Good Housekeeping), HVAC professionals, and, most importantly, by customers like you.

a woman looks at her phone while a child with a soccer ball leaves a house

Embrace smarter living.

Whether you're away, home, or sleeping, Smart Thermostat Lite will adjust to your chosen schedule and comfort settings to save you energy when you're out and optimize for comfort when you're home. Fine-tune your comfort on the thermostat’s touchscreen display and from the ecobee app.

Control from anywhere with the ecobee app.

Connect Smart Thermostat Lite to the ecobee app to take the same convenient control you get on the thermostat itself with you on the go.

Change the temperature from bed.

Turn up the temperature with a tap on your phone and a flick of the wrist.

a phone screen shows the ecobee temperature control settings

Fine-tune your savings.

Get helpful reminders and alerts.

Coming soon! Keep track of energy use on the go.

ecobee thermostat showing a notification

phone screen shows home data on the ecobee app

Works with leading smart home ecosystems, including Apple Homekit.

Apple HomeKit
Alexa Built-in
Google Assistant
Alarm.com

HVAC technician installs ecobee thermostat

Enjoy a quick and seamless install experience by a trusted pro.

Smart Thermostat Lite is available through your local installation professional. To go the extra mile for you, professionally-installed ecobee thermostats are backed by a 5-year pro warranty—that’s two more years than our standard product warranty.

Learn more about the Pro warranty

Features & Specs
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Avoid unnecessary spending.

Smart Thermostat Lite’s schedule and comfort settings avoid unnecessary heating and cooling, so you’ll always save money on your energy bill. You can easily program the schedule during setup and adjust it anytime within the app.

Energy saving with eco+

Effortless control

Notifications and reports

Seamless setup

Advanced thermostat capabilities

Built to last

Privacy

Works with SmartSensor

Display

2.8 in. full-color LCD touchscreen
240 x 320 pixel display

Dimensions

Thermostat

Height: 92 mm (3.62 in.)
Width: 92 mm (3.62 in.)
Depth: 23 mm (0.91 in.)

Colors

Black front, white sides and back

Thermostat sensors

Temperature
Humidity

Compatibility

Gas, Oil, Electric, Dual-fuel, Forced air, Conventional (2H/2C), Heat Pump (4H/2C), Humidifier, Dehumidifier, Ventilator, HRV or ERV

Wire Terminals

Rc
G/PEK
Y1
Y2
O/B

Rh
C
W1
W2
ACC

Connectivity & security

Wi-Fi: 802.11 b/g/n/ax @ 2.4GHz
Bluetooth BLE 5.4
WPA2, WPA3 encryption methods
DHCP (dynamic) or static IP addressing
Sub-GHz radio

Works with

Apple HomeKit, Amazon Alexa, Google Assistant, and Alarm.com.

Bandwidth

5 MB/month

Power consumption

Less than 3 VA

Powering methods

Wired 24VAC through terminals C and Rc.
Power Extender Kit (sold separately) available for installation in homes without a C or common wire.

Sustainability

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

Temperature range

Desired Temperature: 45° to 120°F (7° to 49°C)
Display: 32° to 120°F (0° to 49°C)
Sensitivity: +/− 1°F (+/− 0.5°C)
Operating: 14° to 122°F (-10° to 50°C)

Humidity range

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

Storage

−4° to 113°F (−20° to 45°C)
5% to 95% RH (non condensing)

Warranty

5-year extended warranty

Languages

English

What's in the box

Smart Thermostat Lite
Backplate
Quick-start guide
Wire labels
Screws and drywall plugs

Optional for installation:

Trim plate

Display

Dimensions

Colors

Thermostat sensors

Compatibility

Wire Terminals

Connectivity & security

Works with

Bandwidth

Power consumption

Powering methods

Sustainability

Temperature range

Humidity range

Storage

Warranty

Languages

What's in the box

Which smart thermostat is right for you?

All ecobee thermostats are thoughtfully designed with features that bring you comfort at home and control from anywhere. Compare models to find your home’s fit.

ecobee Thermostats	Smart Thermostat Lite	on sale Smart Thermostat Enhanced	on sale Smart Thermostat Premium
Savings on heating and cooling costs	Up to 23%^*	Up to 26%^*	Up to 26%^*
Display size	H: 58 mm, W: 43 mm	H: 70 mm, W: 70 mm	H: 70 mm, W: 70 mm
Materials	Plastic, glass	Plastic, glass	Metal, plastic, glass
ENERGY STAR® Certified
Control with the app and Apple Watch when the thermostat is connected to Wi-Fi
Apple HomeKit + more integrations
Built-in radar occupancy sensor
Built-in indoor air quality monitor
SmartSensor included in the box	Sold separately	Sold separately
Choice of Siri^† or Alexa Built-in

^† Compatible Apple home hub required to enable Siri on Smart Thermostat Premium. Apple HomePod and HomePod mini are compatible home hubs. All Siri capabilities are available on the thermostat except voice calling.

^‡ Requires ecobee Smart Security Subscription. Please note, Smart Thermostat Lite support for ecobee Smart Security is coming soon.

^§ Requires ecobee Smart Security Subscription and SmartSensor for door and windows (sold separately).

^¶ You can use geofencing on an Android phone via the ecobee app, if you use iOS, then geofencing is handled via Apple HomeKit and requires a HomeKit hub. Learn more.

Are you a contractor looking to distribute Smart Thermostat Lite?

Visit our Contractors page for more information and to contact our sales team.

Gallery
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The difference is in the details.

Stronger, more durable, more reliable, and more beautifully designed thermostats.

$99.99
:
Works with SmartSensor for enhanced comfort.

The easiest way to manage hot or colds spots and keep important rooms comfortable.

Shop now

Purchase with peace of mind

Be at ease with installation by a licensed pro.

Warranties without worry

Smart Thermostat Lite is covered by a 5-year extended warranty.

Clarity when you need it

Our helpful support team is only a call away.

^*Compared to a hold of 72°F/22°C.

¹ Based on an internal analysis conducted in April, 2021, select ecobee customers in North America saved up to 23% on their heating and cooling costs. When you add up the average cost of electricity and natural gas used for heating and cooling ($1,091 USD/$1,490.52 CAD) and multiple it by 23% (Smart Thermostat Lite’s savings claim) you get savings of up to $284/$388 $250/$327 (USD/CAD) per year. Annual savings will vary based on your energy use and location.

² Smart Thermostat Lite is not compatible with ecobee Room Sensor^TM, our first-generation remote thermostat sensor.