Description
The Honeywell Home THX1100B4/U ElitePRO S1100 Smart Thermostat delivers advanced comfort control, indoor air quality management, and smart connectivity in a sleek black touchscreen design. Built for residential and light commercial HVAC applications, the S1100 supports up to 4 Heat/2 Cool heat pump systems or 3 Heat/3 Cool conventional systems, making it an excellent choice for demanding installations.
Featuring WiFi, Bluetooth, Matter compatibility, and RedLINK connectivity, the ElitePRO S1100 integrates seamlessly with smart home ecosystems while providing contractors with powerful setup and service tools through Pro-IQ services. The large 5-inch customizable touchscreen, occupancy sensing, ambient light sensing, and IAQ monitoring capabilities help maximize comfort, efficiency, and homeowner satisfaction.
Features:
- Supports up to 4 Heat / 2 Cool heat pump systems
- Supports up to 3 Heat / 3 Cool conventional systems
- Large 5-inch customizable color touchscreen
- Built-in WiFi, Bluetooth, Matter, and RedLINK connectivity
- Occupancy sensor for intelligent comfort management
- Ambient light sensor for enhanced display performance
- Indoor Air Quality (IAQ) monitoring including humidity, VOC, and estimated CO₂
- Compatible with RedLINK Room Sensors (sold separately)
- Compatible with Equipment Interface Module (EIM) for expanded applications
- Two configurable outputs for IAQ devices, additional HVAC stages, or fan control
- ENERGY STAR certified
- Black finish for a modern, premium appearance
- Residential and light commercial applications
- Works with Pro-IQ contractor services and Resideo Pro App
Specifications:
- Model: THX1100B4/U
- Series: ElitePRO S1100
- Color: Black
- Display Size: 5 in. Touchscreen
- Connectivity: WiFi, Bluetooth, Matter, RedLINK
- System Compatibility:
- Up to 4H/2C Heat Pump
- Up to 3H/3C Conventional
- Applications: Residential & Light Commercial
- Occupancy Sensor: Yes
- Ambient Light Sensor: Yes
- IAQ Sensing: Humidity, VOC, Estimated CO₂
- Configurable Outputs: 2
- Remote Room Sensor Compatible: Yes
- EIM Compatible: Yes
- Device Dimensions: 5.24″W x 3.54″H x 0.96″D
- ENERGY STAR Certified: Yes
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