10 Best Smart Smoke Detector 2025 in the United States

The Kidde Smoke & Carbon Monoxide Detector is a reliable, battery-powered device that provides dual protection against both smoke and carbon monoxide. One of its standout features is the 10-year battery life, which eliminates the hassle of frequent battery changes and potential low battery chirps. This can save you some money over the life of the detector. The device uses advanced sensing technology to reduce false alarms, especially those that can occur during cooking. It also adheres to the latest safety standards, providing an extra layer of reassurance for users.

The LED indicators (green, amber, and red) clearly display the alarm status, making it easy to understand whether the device is operating normally or if there's an issue. Installation is straightforward due to its battery-powered design and twist-and-click mounting system, which means no need for electrical wiring. Additionally, the self-testing alarm feature checks its internal components regularly, although you should still perform a manual test weekly.

On the downside, since it lacks connectivity features like Wi-Fi or smart home integration, it may not be suitable for users looking for a more connected and automated home security system. Also, while the 10-year battery life is impressive, it’s important to note that this is not a performance guarantee but rather a typical lifespan. This product is ideal for users looking for a straightforward, easy-to-install smoke and carbon monoxide detector with minimal maintenance and reliable performance over a long period.

The First Alert Smoke Alarm SMI100-AC 3-Pack is designed to provide reliable fire detection with a focus on reducing false alarms from cooking using its Precision Detection technology. This ionization sensor-based detector offers early warning to help keep your home safe. One strong point is its interconnect feature, which ensures that when one alarm sounds, all compatible units in your home will activate, giving you a clear and widespread alert.

The battery backup is another plus, providing continuous protection even during power outages, so you don’t have to worry about losing your smoke alarm’s functionality. Installation is made easier with the included Quick Connect Plug, which means you can set it up without rewiring your home’s electrical system. However, it's worth noting that these alarms do not offer Wi-Fi or app connectivity, so they lack remote alerts or smart home integration that some other smoke detectors have.

The unit uses standard 9V alkaline batteries, which are included, but they will need regular replacement to keep the alarm working optimally. Maintenance is relatively straightforward, especially with the visual alarm indicator that shows which alarm was triggered. This 3-pack is a solid choice for anyone wanting dependable, wired smoke alarms with battery backup and simple installation, especially if you prefer straightforward devices without the need for smartphone controls or complex smart features.

The Kidde Smart Smoke Detector uses photoelectric sensing technology, known for reliable smoke detection and reducing false alarms from cooking fumes, which is beneficial for everyday home safety. It connects to the Ring app, allowing you to receive real-time smoke or low battery alerts on your phone whether you're home or away, without needing a subscription. For those wanting extra peace of mind, there's an optional $5/month Ring monitoring service with 24/7 coverage. This device is hardwired for power, ensuring consistent operation, but it also includes AA batteries as a backup, so it won't fail during power outages. Installation requires wiring, so it might be best suited for those comfortable with home wiring or who can hire an electrician. The detector also integrates with Alexa, making it easy to get voice alerts through smart speakers.

Kidde’s testing shows it detects smoke over 25% faster than some competitors, adding a safety advantage. Maintenance is straightforward with included batteries and a user guide, though the battery backup may need occasional replacement. This smoke detector is well suited for homeowners seeking a dependable, smart device combining improved detection speed with smart notifications and connectivity features. However, if you prefer a battery-only device or simpler installation, this model may be less ideal.