No C Wire Options
Compare no-C-wire smart thermostats by power method: included adapters and extenders, battery power, and the line-voltage systems to rule out.
ecobee Smart Si Smart Thermostat 2 Heat-2 Cool with Full Color Non-Touch Screen
Product details
General specs
- Brand: ecobee
- Model: Smart Si
Starting from €53.54
Last price update: 9/24/26
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| Brand | ecobee | Honeywell | Braeburn | Honeywell | PRO1 IAQ | Honeywell |
| Model | Smart Si | TH8321WF1001 | 7205 | RTH9585WF | T701i | TH6320WF2003/U |
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| Price | €53.54 | €157.97 | €59.79 | €175.64 | €96.34 | €116.03 |
| 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 | |||
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