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Ecobee Smart SI WI-FI Thermostats

Smart Si Wi-Fi Programmable Thermostat

    Installed in 24 hours!


  • High-resolution color display.
  • Energy Efficient and can help save an average of 23% on energy costs.
  • Easy to connect and can connect with Smartphone, Tablet or Computer over Wi-Fi.
  • Push button control to adjust schedule or view date, time or weather outside.


  • Conventional (2H/2C)
  • Heat pump (3H/2C) incl. 1-stage auxiliary heat
  • Gas, oil, electric
  • Dual fuel

Wire Terminals

Rc Y
Rh Y2
C W2 (AUX2)

Powering Method

Note: ‘G’ wire powering limits fan control.

24VAC (3VA minimum)
Option to reliably power through substitution of ‘G’ wire
for ‘C’ wire.
Power consumption

Less than 3.5 VA
Connectivity and Security

ecobee uses the latest encryption technologies to ensure that data is protected both in transmission and network access. The ecobee Smart Si is designed to support:

  • 802.11 b/g/n wireless routers
  • WEP 64, WEP 128, WPA and WPA2 encryption methods
  • DHCP (dynamic) or Static IP addressing
  • 168 bit SSL encryption

Temperature range

Set point: 45° to 92°F (7°to 33°C)
Display: 40° to 100°F (5° to 37°C)
Sensitivity: +/- 1°F (+/- 0.5°C)
Operating: 32° to 130°F (0° to 55°C)
Humidity range

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

15-20 Mb/month

  • Recyclable packaging
  • Mercury free
  • Arsenic free
  • PVC free
  • ROHS compliant

Product dimensions

Height: 3.25 in / 82.5 mm
Width: 5.5 in / 139.5 mm
Depth: 1 in / 25 mm


2.5″ full-color LCD non-touch screen
320 x 240 pixel display


Consumers Energy Management Inc. is Authorized Retailer of Ecobee Thermostats
Ecobee Smart Si Wi-Fi Programmable Thermostat Specifications & Finance Toronto