No, the Cielo Smart Thermostat Eco does not support high-voltage systems. It is designed to work with low-voltage (24V) HVAC systems.
When to Check for High Voltage Compatibility
- Before removing your old thermostat for new installation.
- If you're unsure whether your system is compatible with low-voltage smart thermostats.
- When upgrading from a baseboard heater or line-voltage system.
Important Indicators of High Voltage System
If your existing thermostat or HVAC setup includes any of the following, it is likely not compatible with the Cielo Smart Thermostat Eco:
⚠️ Warning: Do not attempt to connect the Cielo Smart Thermostat Eco to high-voltage systems. This can result in damage to the thermostat or pose safety risks.
Which Systems Are Supported?
The Cielo Smart Thermostat Eco works with most 24V HVAC systems, including:
| System | Equipment | Stages |
|---|---|---|
Supported Systems (Residential 24V AC) | ||
| Dual Fuel System | All types of Furnaces / Boilers + Heat Pumps | Supports up to 4 stages of heating (2 stages heat pump, 2 stages auxiliary heat) and 2 stages of cooling |
| Heat Pumps | All types of Heat Pumps | Supports up to 2 stages of heating and 2 stages of cooling |
| Conventional Heating | All types of Boilers (radiant in-floor or free-standing “heat-only” system) | Supports up to 2 stages of heating |
| All types of Furnaces | Supports up to 2 stages of heating | |
| Conventional Cooling | All types of Air Conditioners | Supports up to 2 stages of cooling |
| Conventional Heating and Cooling | All types of Furnaces / Boilers + All types of Air Conditioners | Supports up to 2 stages of heating and 2 stages of cooling |
To check if your HVAC system is compatible with Cielo Smart Thermostat Eco, visit compatibility checker.
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