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.
Ecostar Energy L40 Dual Fuel 1 Stage Heat 1 Stage Cool Touchscreen Smart Programmable WiFi Thermostat with Auxiliary/Emergency Heat Options
Product details
General specs
- Brand: Ecostar Energy
- Model: L40
Starting from €176.72
Last price update: 5/23/26
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| Brand | Ecostar Energy | Walfront | Honeywell | Honeywell | Emerson | Aurora air-condition |
| Model | L40 | Th6220wf2006 | TH6320WF2003 | ST55U | ||
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| Price | €176.72 | €12.90 | €138.29 | €204.35 | €82.99 | €71.39 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | May 24, 2026 | May 20, 2026 | Jun 19, 2026 | Jun 24, 2026 | Jun 24, 2026 | Jun 24, 2026 |
| Compatibility | Heat Pump, Conventional | Smart Home Systems | Furnace, Boiler, Heat pump, Residential HVAC systems | |||
