Cielo Smart Thermostat ENERGY STAR Certified for Central HVAC Systems

Specifications

The Cielo Smart Thermostat (CT101WA) is an ENERGY STAR certified smart thermostat that delivers effortless control and optimization for central HVAC systems. Designed with broad compatibility for over 95% of conventional ducted HVAC systems, this thermostat features a sleek, modern design with a responsive LCD touchscreen and robust smart home connectivity for seamless integration into any connected home.

ENERGY STAR Certification & Efficiency

• ENERGY STAR Certified: Rigorously tested and certified by ENERGY STAR, guaranteeing the highest standards of energy savings and comfort
• Eligible for Rebates: Cielo Linked integrated controls platform eligible for Mass Save rebates
• Vacation Mode: Protects your home against extreme temperature changes when away while ensuring minimal energy usage

Universal Compatibility

• Over 95% HVAC Systems Compatible: Works with most 24V HVAC systems including gas, electric, oil, hot water, heat pump, and geothermal setups
• Multi-Stage Support: Conventional heating (2-heat stages: W1, W2), conventional cooling (2-cool stages: Y1, Y2), 1-stage fan (G)
• Heat Pump Compatible: Cool/Heat (OB) with auxiliary heat (W1, W2) stages
• Accessory Control: Support for whole-home humidifiers and dehumidifiers (HUM/DHUM)
• Power Terminals: R, Rc, Rh, C terminal support
• Free C-Wire Adapter Included: Comes with C-Wire adapter for homes without an existing common wire

Smart Installation & Setup

• Auto Wire Detection: Automatically detects connected wires during installation for faster, easier setup
• Test Equipment Function: Built-in testing for heating, cooling, fan, and connected accessories to confirm proper HVAC operation
• Hardwired Power: 24V hardwire only for reliable, continuous operation

Smart Control & Automation

• Control from Anywhere: Manage your HVAC system remotely using Cielo Home app (available for iOS, Android, and Web)
• Geofencing: Location-based triggers automatically adjust HVAC settings as you enter or exit your predefined area
• Weekly Schedules: Create daily or weekly schedules to automate temperature control based on your routine
• Presets: Quick-access predefined comfort settings (Home, Away, Sleep, and Pets)
• Cielo Linked (Integrated Controls): Cloud-based platform enables automatic switching between heat pump and fossil-fuel systems based on outdoor weather conditions

Display & Interface

• Touch Screen Color Display: Responsive LCD touchscreen for easy on-device navigation and control
• Proximity Sensor: Automatically senses your presence and lights up to greet you with the control screen
• Modern Design: Sleek 3.9" H x 3.9" W x 0.9" D profile complements any interior
• PIN Lock: Prevents unauthorized changes to settings—ideal for shared spaces and rental properties

Climate Monitoring

• Real-Time Temperature & Humidity Monitoring: Continuously monitor your home climate with high-accuracy built-in temperature and humidity sensors
• Precision Control: Advanced sensors ensure accurate temperature regulation and comfort

Applications

Perfect for residential and light commercial applications with central ducted HVAC systems. Ideal for homes with gas, electric, oil, hot water, heat pump, or geothermal heating and cooling systems. The ENERGY STAR certification makes it an excellent choice for energy-conscious homeowners seeking rebates and reduced utility costs. The Cielo Linked platform is especially valuable for dual-fuel installations where automatic switching between heat pump and auxiliary heat based on outdoor temperature can significantly reduce operating costs. Suitable for new construction, retrofit installations, and smart home upgrades where reliable, certified energy savings and advanced automation are priorities.