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Smart Si Thermostat

Great features, great price.

Smart Si Thermostat

Anytime, anywhere

You can monitor and control your ecobee thermostat on your smartphone, tablet, or computer. Learn more.

Anytime, anywhere

Comfort and savings
from day one

Enjoy lower heating and cooling costs without compromising your comfort from the moment you turn on your ecobee Smart Si.

Lower your energy bills

Did you know that heating and cooling can account for over 50% of your home energy use? ecobee owners save an average of 23%* annually.

High-resolution color display

A high-resolution color display and intuitive user interface makes it really easy to adjust your schedule in case you decide to stay in for the day.

High-resolution color display

A comfortable day at home or away

Smart Si will make sure you wake up to a comfortable home.

Check the weather and dress for success.

As you leave for work, Smart Si gets to work
conserving energy and saving you money.

Coming home earlier than planned? No worries,
Smart Si will make sure you’ll return to a cozy home.

Rest easy, Smart Si is working even when you’re not.

Smart, really smart

Smart Si intuitively understands when to turn on your heating or cooling equipment based on your home’s unique energy profile and the weather outside, making sure you’re comfortable at all times. Find out the other ways Smart Si is smart.

It's good for our planet

Eliminating wasted heating and cooling is one of the easiest and smartest ways you can be good to the planet and save money.

What are you waiting for?

Upgrade your old thermostat to a Smart Si today and take control of your comfort and savings.

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