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ElitePRO™ S900 Smart Thermostat
ElitePRO™ S900 Smart Thermostat - THX900B2/U; ElitePRO™ S900 Smart Thermostat in Black is backordered and will ship as soon as it is back in stock.
The ElitePRO S900 Smart Thermostat delivers modern design, a 4.3" customizable touchscreen, and indoor humidity monitoring¹.
1Additional HVAC equipment or accessories may be required
This product is sold exclusively through our Professional Partners. Use the Find A Pro link below to locate one in your area.
Pro Products Offer:
- Extended Product Warranties
- Professional Experience
- Advanced Features for More Complex Systems
ElitePRO™ S900 Smart Thermostat
Product Overview
- Works with residential and commercial systems up to 3H/2C heat pump or 2H/2C conventional
- Control up to 1 IAQ device¹ with configurable output
- Decorative black accent piece
- Monitor indoor humidity
- Compatible with dual fuel, fan-coil, PTAC, and radiant systems
- 5-year warranty
1Additional equipment or accessories may be required
Features
ElitePRO™ S900 Smart Thermostat
Always connected
Adjust settings from anywhere and receive important alerts using the First Alert® app
Save energy
ENERGY STAR® certified to help save energy and eligible for utility rebates
Precision comfort and air quality
Comfort is more than just the perfect temperature, maintain optimal indoor air quality (IAQ) with humidity and ventilation control to keep air fresh1
1Additional equipment or accessories may be required
Customizable display
A sleek 4.3” display delivers enhanced visibility with the option to choose the color and style to match your home
Advanced occupancy and presence detection
Smart thermostat senses and adjusts settings to maximize comfort when home and save energy when you're away2
2Auto-away feature enablement required
Resources
Amazon Alexa
Take it all with you
The First Alert app connects what matters most and puts homeowners in control. Powered by Resideo’s family of brands, the app offers complete management of the home’s security, safety, comfort, and water leak detection in one convenient location.
Connect the smart thermostat to remotely control temperature and settings while at home or on-the-go. Using the app, homeowners can set schedules and opt-in to advanced energy features that help save on energy and utility costs. Consumers can even receive important alerts, like change filter reminders or IAQ notifications, for easy management.










