10 Best Smart Smoke Alarm 2025 in the United States

The X-Sense Smoke and Carbon Monoxide Detector Combo is a strong contender if you're looking for an all-in-one safety solution for your home. One of its standout features is the wireless interconnection capability. This means if one alarm detects smoke or carbon monoxide, all connected alarms will go off, ensuring that you and your family are alerted no matter where you are in the house. This setup supports up to 24 interconnected devices, which is excellent for full-home protection.

The product also boasts a 10-year sealed lithium battery, so there's no need to worry about changing batteries frequently, and it ensures the device is always operational. It combines smoke and carbon monoxide detection, offering dual protection in a single unit, which is highly convenient and space-saving. Made from heat-resistant and high-temperature resistant PC material, it is durable and reliable.

However, it's important to note that while it supports wireless interconnection, it does not have Wi-Fi capabilities. This means you won't receive alerts on your smartphone if an alarm is triggered, which is a downside for those looking for smart home integration. Installation is straightforward, thanks to the wireless design, but keep in mind that the unit is powered by 12 included lithium metal batteries, so you should ensure they're all properly installed and maintained. For those looking for a reliable, interconnected smoke and carbon monoxide detector without the need for smart home compatibility, the X-Sense Combo provides robust protection with minimal upkeep.

The X-Sense Smoke Detector SD20-W Pack of 6 offers a reliable solution for home safety with several notable strengths. One of its key advantages is the 10-year lifespan backed by a built-in lithium battery, which means you won't need to worry about battery replacements for a decade. The wireless connectivity feature allows up to 24 devices to be interconnected, providing a comprehensive safety network across your home. This also includes compatibility with carbon monoxide alarms and combination alarms, enhancing protection.

The photoelectric sensor type ensures accurate smoke detection, and the loud 85 dB alarm is designed to wake even deep sleepers in case of an emergency. Additionally, the ABS flame-retardant material enhances durability and safety. Installation is straightforward with the included screws and anchor plugs, and the pre-connected units make setup even easier.

There are a few drawbacks to consider. While the battery's long life is a plus, it is non-replaceable, meaning the entire unit will need to be replaced after 10 years. Additionally, the alarm, while loud, might not be sufficient for larger homes or for individuals with hearing impairments. The coverage area per unit is between 215-430 sq. ft., which may require multiple units for larger spaces.

The X-Sense Smart Smoke Detector Carbon Monoxide Detector Combo (SC07-WX) is a promising option for those seeking reliable home safety devices. It combines photoelectric smoke detection and electrochemical carbon monoxide sensing, which ensures precise detection of both hazards. One of its key strengths is the Wi-Fi connectivity that allows real-time notifications via the X-Sense Home Security app. This means you can monitor your home remotely and receive alerts for alarms, low battery, or faults directly on your phone.

Additionally, it's convenient for families as you can share device access with up to 12 people, ensuring everyone stays informed about potential dangers. The replaceable CR123A batteries, which are included, offer flexibility, although they require periodic replacement. However, this model does not support wireless interconnection, meaning that while you can have multiple units, they won't communicate with each other. This could be a limitation if you need a network of interconnected alarms for broader coverage and synchronized alerts. Installation is straightforward due to its battery-powered design, negating the need for hardwiring.

Users should be mindful of ensuring a stable 2.4 GHz Wi-Fi connection for optimal performance. The optional Protect+ Premium subscription adds an extra layer of security with 24/7 professional monitoring, but it comes at an additional cost. Despite a few limitations, such as the lack of interconnectivity, the SC07-WX model offers robust features for homeowners seeking smart, accessible, and accurate smoke and carbon monoxide detection.