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.
| This model | Recommendations | |||||
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Ecostar Energy M30 15Z69 Dual-fuel compatible HVAC management
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Generic iComfort M30-15Z69 Universal 4 Heat / 2 Cool Compatibility
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Honeywell Home TH8321WF1001/U Remote comfort control via device
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White-Rodgers 1F95-1277 White Large, easy-to-read touchscreen display
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Honeywell TH8321WF1001 Touchscreen interface
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Honeywell TH6320WF2003
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| Brand | Ecostar Energy | Generic | Honeywell Home | White-Rodgers | Honeywell | Honeywell |
| Model | M30 15Z69 | iComfort M30-15Z69 | TH8321WF1001/U | 1F95-1277 | TH8321WF1001 | TH6320WF2003 |
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| Price | €280.25 | €290.06 | €178.49 | €146.78 | €157.97 | €204.35 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | May 29, 2026 | May 28, 2026 | Jun 24, 2026 | Jun 24, 2026 | Jun 24, 2026 | Jun 24, 2026 |
| Compatibility | Dual-Fuel, Heat Pump, Conventional, Lennox Smart Systems | Universal 4 Heat / 2 Cool, Dual Fuel, Heat Pump, Conventional Units, Lennox Smart Systems | Stages up to 3 Heat / 2 Cool | Heat Pump, Conventional | ||
| Warranty | 5-Year Extended | 1 Year Limited | 5-Year | |||
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