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

Add smart fire safety alerts to your home with the SC5 Smart Smoke and Carbon Monoxide (CO) Alarm. This 2-in- 1 device elevates your home's fire and CO safety whether home or away through mobile alerts.

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.

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.

Featuring the HD Video Doorbell and Camera Solutions with advanced object and event detection, plus industry-leading video quality. Receive meaningful alerts whether you're home or away and reduce false alarms.

Enroll your smart thermostat in an energy program to experience rewards and rebates, while reducing stress on the energy grid.
Need App Support?
The First Alert app is currently available for users who do not have an existing Resideo account. If you are already part of the Resideo family and are adding to your network of devices, please visit our support center for more information, as well as for general app support.