ecobee Smart Si Thermostat 2 Heat-2 Cool with Full Color NON-Touch Screen

ecobee Smart Si Thermostat 2 Heat-2 Cool with Full Color NON-Touch Screen Price: $145.50 (as of 09/09/2018 17:59 PST- Details)

Full color display
Push button control
Remote management


ecobee’s Smart Si Wi-Fi thermostat saves an average of 23 percent on your heating and cooling bills, without compromising comfort.

Smart — really, really smart

ecobee understands how your home uses energy and finds ways to save you money without compromising your comfort. With 50 percent of your home’s energy use coming from heating and cooling, the savings really add up.


The ecobee Smart Si thermostat (view larger).


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Comfort and savings from day one

Installing an ecobee is one of the best investments you can make in your home, and it delivers a return on your investment within as little as one year. Enjoy lower heating and cooling bills without compromising your comfort.


Average 23 percent savings

Based on the answers to four simple questions, ecobee’s comfort schedule can help homeowners save an average of 23 percent on their heating and cooling bills annually.

(Compared to leaving the thermostat on hold at 72 degrees F)


Anytime, anywhere

You can monitor and control your WiFi-connected ecobee thermostat anytime, from anywhere, on your smartphone, tablet, or computer.

Download the ecobee app for your Android, Blackberry, or iPhone.


Live weather feed

Start your day with a live weather feed and preview the days ahead with a four-day weather forecast. ecobee helps you dress for comfort, rain or shine.


Home IQ energy report

Home IQ makes it easy for homeowners to track their monthly heating and cooling summaries, estimated energy savings, and more. It’s like a home energy audit at no additional cost.


Control your ecobee remotely from your smartphone (view larger).


Home IQ monthly report (view larger).


System compatibility

Unlike mercury based or battery-powered thermostats, the ecobee SMART Si thermostat requires a C (Common) wire to provide constant power. If a C (Common) wire is not available or you do not want to run a new wire, you can purchase a Power Extender Kit through ecobee, which will enable you to power your system and still make use of four wires for one heat/one cool HVAC systems.

The following questions will help determine system compatibility:



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Make a meaningful difference to the environment

ecobee makes it easy to manage the energy efficiency of your home — an important contribution towards a healthier world around us.

Learn more at

What’s in the Box
  • ecobee Smart Si thermostat
  • Installation manual
  • User manual
System Compatibility
  • Conventional (2H/2C)
  • Heat pump (3H/2C)
  • Gas, oil, electric
  • Dual fuel systems
  • One-stage auxiliary heat
Product Features
  • Full color screen
  • Push button control
  • Secure personal web portal
  • DataRhythm Technology
  • Free mobile apps to control HVAC remotely
  • Home IQ Energy Report
  • Automated alerts and reminders
  • Live weather
  • Free software upgrades
  • No monthly fees


Full color display
Push button control
Remote management
Wi-Fi enabled
Contractor branded alerts
Intuitive User Interface makes it easy to quickly set a personalized program,Vivid color screen with easy-to-use interface
Built-In Wi-Fi enabled. Adjust settings anywhere, anytime via Computer, Smartphone, or Tablet
Build-In Live Weather Functions to assist in saving the most energy possible
Works with heat/cool and heat pump systems
Broadband Internet access required for Wi-Fi, Weather, and Mobile features