10 Best Smart Smoke Detectors 2025 in the United States

The X-Sense Wireless Interconnected Smoke Detector is a solid choice for families looking to enhance their home safety with a smart smoke detection system. One of the standout features is its ability to interconnect wirelessly with up to 24 other alarms, ensuring that if one sounds, all will alert simultaneously, providing a comprehensive safety net throughout the home. This feature is especially beneficial for larger spaces or multi-story residences, where hearing a distant alarm could be difficult.

Installation is a breeze, as these battery-powered detectors can be mounted on walls or ceilings without the need for hardwiring. The mini design makes them unobtrusive, blending well with most home decors. Additionally, the included 5-year battery life means less frequent maintenance, and users will appreciate the low-battery warning that alerts them when it’s time for a replacement.

It’s important to note that the XS01-WR does not offer Wi-Fi connectivity, which might limit its appeal for those wanting a fully smart home integration with remote monitoring capabilities. If Wi-Fi is a requirement, users should consider the XS01-WX model instead. Also, while the photoelectric sensor is effective in detecting smoldering fires, some users prefer dual-sensor models (which include ionization sensors) for comprehensive fire threat coverage.

The X-Sense Smart Smoke and Carbon Monoxide Detector Combo is designed to enhance home safety with a focus on ease of use and connectivity. One of its standout features is the interconnected system, where multiple detectors sound simultaneously if one is triggered. This is particularly beneficial in larger homes or for families, ensuring that everyone is alerted promptly to any danger.

The battery-operated design means there’s no need for complicated wiring, making installation simpler. With a lifespan of 10 years and only one battery replacement needed, maintenance is minimal. The app integration allows for real-time alerts and notifications, which is great for tech-savvy users who want to stay informed, even when they’re away from home.

However, there are some drawbacks to consider. Since it’s not hardwired, its reliance on battery power could be a concern for some users, especially if the batteries are not replaced on schedule. While the app features are convenient, they may be overwhelming for those who prefer a simpler, more traditional approach to smoke detectors. Additionally, the optional Protect+ Premium subscription for fast fire dispatch adds an extra cost, which might not appeal to everyone.

The First Alert BRK SC-9120B is a reliable smoke and carbon monoxide detector that uses ionization technology to detect smoke, paired with a superior CO sensor. It is designed to hardwire into your home’s electrical system and includes a 9-volt battery backup to keep it running during power outages, which is a strong safety feature. The alarm is audible and has separate indicators for smoke and CO, helping you understand what kind of danger is detected.

Installation is simplified with an easy-to-use universal mounting bracket, and it interconnects with other First Alert and BRK hardwired alarms, meaning if one alarm sounds, they all do, which is great for larger homes. However, it does not offer wireless connectivity or smart home integration features, so you won’t get smartphone alerts or control through apps like some more modern detectors provide. Its 10-year limited warranty suggests long-term durability.

This model is best suited for those wanting a dependable, no-frills alarm system hardwired into their home’s power, with backup battery support, but it may not appeal to users looking for smart features such as Wi-Fi connectivity or app notifications. The device’s clear audible alerts and separate indicators add to ease of use, making it a solid choice for homeowners focused on basic, effective smoke and CO detection rather than smart home integration.