ecobee

Smart / Smart Si Feature Comparison

Q: I’m not sure whether to get the Smart or Smart Si product. Is there a feature comparison between the two?

A: There sure is! All the major differences and similarities are posted in the chart below.

                        Feature                                                       Smart Thermostat                                   Smart Si Thermostat

Mobile Apps iPhone/iPod Touch Android iPhone/iPod Touch Android
Compatible Accessories Remote Sensor Module
Power Supply 
Smart Plugs
Smart Plugs
Conventional Heating & Cooling 3H / 2C 2H / 2C
Heat Pump Heating & Cooling 4H / 2C 3H / 2C
Number of Wires to Thermostat 4 Heat Only - Min. 3 
Cool Only - Min. 4 
Heat/Cool - Min. 5
Dry Contact Inputs 2 ...
Dual-Fuel                                   Y                                   Y
Auxiliary heat                                   Y                                   Y
Humidifier / Dehumidifier control                                   Y                                   N
Wireless Protocol B / G B / G / N
Optional 2.4GHz ZigBee® Module                                   Y                                   Y
No Annual Fee                                   Y                                   Y
Alerts Sent by Email & Web Portal 
Can be sent to multiple emails
Can be sent to contractor
Sent by Email & Web Portal 
Can be sent to multiple emails
Can be sent to contractor

 

Was this article helpful?

Have more questions? Submit a request