ecobee3 lite Smart Thermostat
The ecobee3 lite gives you all the essential energy-saving features at a comfortable price. Change the temperature from anywhere with your smart device, get alerted to sudden temperature drops and save energy and money over time as it learns and adapts to your preferences.
Before ordering, make sure your HVAC system is compatible.
You have a saved application!
Product Details
Heavy on features, lite on price
The ecobee3 lite’s advanced thermostat capabilities strike the perfect balance of comfort, efficiency and value. And at a price like this, your savings will start when it’s in your cart.
Comfort that adapts to you
After learning your daily routine and preferences, the ecobee3 lite will automatically change the temperature to match your desired comfort levels throughout the day.
Ready when you are
Start saving in 45 minutes or less. The ecobee3 lite is compatible with most home HVAC systems and comes packed with everything you need for a simple, do-it-yourself installation.
Be notified
Stay in the know even when you’re on the go. Your ecobee3 lite will send you monthly reports outlining your energy savings compared to other homes in your area. You’ll also receive alerts when your HVAC system needs service or emergency attention.
Light up your life
Using built-in proximity sensors, the ecobee3 lite can sense when you’re nearby and illuminates to let you check the settings, today’s weather or the five-day forecast while admiring the crystal-clear touchscreen display.
Features at a glance:
- Can be controlled remotely with compatible smart devices
- Easy to install in 45 minutes or less
- Saves energy over time by adjusting to weather patterns and your HVAC system’s performance
- Notifies you of sudden temperature drops and when your HVAC system needs servicing
- Monitors humidity levels and adjusts temperatures to account for it
- Compatible with ecobee SmartSensors (sold separately) to fine-tune your home’s comfort
- Saves you money by shifting energy use to times when electricity prices are lower
- Works with smart home systems like Apple HomeKit, Amazon Alexa, Samsung SmartThings, IFTTT, and more
- Hardwired to your wall, so no batteries required
Tech Specs
HVAC compatibility:
Works with radiant heating systems and multistage and dual-fuel heat pumps.
Thermostat dimensions:
- Height: 102.88 mm (4 in.)
- Width: 102.88 mm (4 in.)
- Depth: 21.4 mm (.08 in.)
Trim plate dimensions:
- Height: 170 mm (6.7 in.)
- Width: 170 mm (6.7 in.)
- Depth: 6.25 mm (0.2 in.)
Specifications:
- ENERGY STAR® certified
- Power: Wired 24VAC through terminals C and Rc
- 3-year limited warranty
You must be a current AES Indiana residential delivery service customer.
Two thermostats per residence every 5 years.