
The First Alert by Resideo App
Unlock advanced features and gain access to video, safety, comfort/air and water leak detection all in the First Alert app, plus energy programs.
Expand Protection & Elevate Comfort
Together, the First Alert app and Resideo’s family of brands, offers smart home monitoring for video, safety, comfort/air and water leak detection. The app is compatible across Resideo, specific Honeywell Home and First Alert branded products, to provide a seamless experience with your home’s devices.

Expand Protection & Elevate Comfort
Together, the First Alert app and Resideo’s family of brands, offers smart home monitoring for video, safety, comfort/air and water leak detection. The app is compatible across Resideo, specific Honeywell Home and First Alert branded products, to provide a seamless experience with your home’s devices.

App Features





Smart Thermostats
Take comfort knowing your home’s temperature can be controlled at home or on the go. With our ENERGY STAR® Certified Smart Thermostats, you can set schedules or let it adapt to your lifestyle to help save on energy and utility costs.

Video Camera Systems
Featuring the HD Video Doorbell and Outdoor Camera with advanced object and event detection, plus leading video quality. Receive meaningful alerts whether home or away and reduce false alarms.

Water Leak Detection
The WiFi Water Leak and Freeze Detector helps detect leaks early and prevent damage. Push notifications alert you to leaks in your home immediately. Plus, our Water Shutoff Device can be installed by a professional to shut off your home’s water supply when water is detected.

Convenient Service Offerings
Enroll your smart thermostat in an energy program to experience rewards and rebates, while reducing stress on the energy grid.

Smart Smoke & Carbon Monoxide Detection
Compatible Connected Home Devices

T9 Smart Thermostat with Sensor |
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T10+ Pro Smart Thermostat with RedLINK® 3.0 includes room sensor |
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VWS01Y-1/2 - L5 WiFi Actuator, L1 Leak Detector and 1/2 in NPT Ball Valve |
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VWS02Y-1/2 - L5 WiFi Actuator with 1/2 in NPT Ball Valve |
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T5 Smart Thermostat- White |
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T6 Pro Smart Thermostat Multi-Stage 3 Heat/2 Cool |
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L2 WiFi Water Sensor and Switch |
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VX3 HD Outdoor Camera |
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VX1 HD Video Doorbell |
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FSMCO600NVCL1 Battery Smart Smoke & Carbon Monoxide Alarm |
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FSMCO600NVACCL1 Hardwire Smart Smoke & Carbon Monoxide Alarm |
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X2S Smart Thermostat |
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WiFi Water Leak and Freeze Detector and Cable |
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