10 Best Wired Smoke Alarms 2025 in the United States

The First Alert SMICO100-AC Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm is a reliable option featuring advanced sensing technology that reduces false alarms from cooking. It uses ionization sensors to detect smoke and carbon monoxide, providing an early warning in case of a fire emergency.

One of its significant benefits is the interconnectivity feature, meaning when one alarm goes off, all connected alarms will sound. This is particularly useful in larger homes for comprehensive safety coverage. Additionally, the quick connect plug allows for straightforward installation without the need for extensive rewiring, making it user-friendly for most homeowners.

Its battery backup ensures continuous protection even during power outages, which is a crucial safety feature. The test/silence button adds convenience by allowing easy testing and silencing of the alarm when needed. Users who prefer a simple, dependable smoke and CO alarm will appreciate what this model offers.

The First Alert SMI100-AC is a hardwired smoke alarm designed for reliable home fire safety. Utilizing ionization sensor technology, it is particularly effective in detecting fast-flaming fires. One of its standout features is the advanced Precision Detection technology, which significantly reduces false alarms from cooking, making it more practical for use in kitchens or near cooking areas.

Additionally, the interconnectivity feature ensures that when one alarm goes off, all compatible alarms in the network will sound, providing a comprehensive warning system throughout the house. This smoke alarm also comes with a battery backup, ensuring continuous protection during power outages, which is crucial for maintaining safety at all times. The alarm indicator helps to quickly identify which unit triggered the alarm, which can save time and reduce confusion during an emergency.

Installation is made easy with the Quick Connect Plug, allowing users to set it up without the need for complex rewiring. However, potential users should note that this model uses ionization sensors, which might be less effective at detecting smoldering fires compared to photoelectric sensors. Additionally, while the battery backup is a great feature, it does require periodic battery changes, which might be seen as a minor inconvenience. Despite these points, the First Alert SMI100-AC remains a highly suitable choice for those looking for straightforward installation and robust home fire safety features.

The Putogesafe Hardwired Interconnected Smoke Detector is a reliable choice for home safety, featuring a photoelectric sensor that is sensitive and accurate in detecting smoke. Its hardwired interconnection capability allows you to link up to 12 units, ensuring that an alarm in one area will trigger alarms throughout your home, providing comprehensive coverage. The added 9V battery backup is a significant advantage, as it ensures continuous operation even during power outages, and a low battery alert helps you maintain optimal functionality.

With an alarm volume exceeding 85 decibels, it is loud enough to alert all occupants effectively. The test/mute button and LED indicators are user-friendly, allowing easy system checks and silencing of false alarms. Installation is straightforward, though following the provided instructions is crucial for proper setup.

However, the product lacks advanced smart features found in some newer models, such as mobile alerts or integration with smart home systems. Its dimensions and weight are manageable, making it a practical addition to most homes. Customers have generally rated it positively, highlighting its reliability and ease of use. This smoke detector is best suited for users looking for a simple, effective, and interconnected smoke detection system without the need for smart technology.