Multi-Zone Thermostats
Choose smart thermostat replacements for each existing low-voltage HVAC zone, and avoid confusing room sensors or fans with true zone control.
ecobee Smart Si Smart Thermostat 2 Heat-2 Cool with Full Color Non-Touch Screen
Set your home temperature from anywhere with the ecobee Smart Si Thermostat. Its full color non-touch screen and push button controls make adjusting the temperature simple. Connect via Wi-Fi to fine-tune your heating and cooling schedule using your smartphone or computer. The built-in live weather feed helps you plan your energy use without checking another app.
This thermostat works with most heat/cool and heat pump systems. The intuitive interface cuts through setup confusion, letting you create a personalized program in minutes. You'll also get contractor branded alerts to keep you informed about system performance or needed maintenance. Broadband internet access is required to use the Wi-Fi, weather, and mobile features.
Features
- Full color display
- Push button control
- Remote management
- Contractor branded alerts
- Intuitive user interface
- Live weather functions
- Works with heat/cool and heat pump systems
- Broadband Internet required
- Wi-Fi enabled
General specs
- Brand: ecobee
- Model: Smart Si
- Seller: Retailer
- ID: B008F40R4C
- Alerts: Contractor Branded Alerts
- Stage Type: 2 Heat - 2 Cool
- Requirement: Broadband Internet access for Wi-Fi, Weather, and Mobile features
- Connectivity: Wi-Fi Enabled
- Control Type: Push Button
- Display Type: Full Color NON-Touch Screen
- User Interface: Vivid color screen with easy-to-use interface
- Features Mobile: Adjust settings via Computer, Smartphone, or Tablet
- Thermostat Type: Smart Thermostat
- Remote Management: Yes
- Compatible Systems: Heat/Cool, Heat Pump
- Functions Live Weather: Yes
- First listed by seller: May 20, 2026
If you are interested in more details, you can find full information on the seller's page.
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Shipping options
Delivery to 
United States
United States
Available
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| Price | €31.46 | €143.76 | €58.56 | €172.02 | €81.76 | €145.45 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | Jun 24, 2026 | Jun 24, 2026 | Jun 24, 2026 | Jun 24, 2026 | Jun 19, 2026 | Jun 24, 2026 |
| Connectivity | Wi-Fi Enabled | WiFi | Wi-Fi | |||
ecobee Smart Si Wi-Fi enabled
€31.46
When this device makes sense
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