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10 Best Wired Smoke Alarms 2025 in the United States

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Our Top Picks

#1

Winner

First Alert SMICO100-AC Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm with Battery Backup, 1-Pack

Rating
9.8
Chosen by1,215
Interconnectivity
Ease of Installation

Most important from
26964 reviews

Interconnectivity
The alarm's interconnectivity and advanced sensing technology provide reliable performance and comprehensive safety coverage.
Ease of Installation
Installation is quick and easy, taking roughly 5 minutes to complete.

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.

Rating
9.8
Chosen by1,215
Interconnectivity
Ease of Installation

Most important from
26964 reviews

Interconnectivity
The alarm's interconnectivity and advanced sensing technology provide reliable performance and comprehensive safety coverage.
Ease of Installation
Installation is quick and easy, taking roughly 5 minutes to complete.
#2

Kidde Hardwired Smoke & Carbon Monoxide Detector, 10-Year Battery Backup, Interconnectable LED Warning Light Indicators

Rating
9.6
Power Source
Ease of Installation

Most important from
442 reviews

Power Source
Easy to install and love the 10-year battery. Great price and value since they are CO detectors too!
Ease of Installation
Easy to install and love the 10-year battery. Great price and value since they are CO detectors too!

The Kidde Hardwired Smoke & Carbon Monoxide Detector offers a comprehensive solution with its dual detection capability for both smoke and carbon monoxide. This feature is particularly beneficial for households looking to save space and cost by avoiding the need for separate detectors. The device is hardwired, ensuring consistent power supply, and includes a 10-year battery backup, which eliminates the need for frequent battery changes and potentially saves money in the long run. This setup makes it highly reliable, especially during power outages.

The interconnectivity feature is a significant safety advantage, as it ensures all connected alarms sound simultaneously, providing early warning throughout the home. The device also boasts advanced sensing technology to minimize false alarms, which is useful in highly active areas like kitchens. LED indicators and an 85-decibel alarm ensure clear communication of the alarm status, enhancing its usability. However, the installation might be challenging for those not familiar with electrical wiring, potentially requiring professional help.

The sensor types (photoelectric and electrochemical) are effective but might not cover all possible fire types as comprehensively as some other models available. While it offers self-testing features, users are still required to perform manual tests weekly. Additionally, the lack of smart features like app connectivity might be a drawback for tech-savvy users wanting real-time notifications on their smartphones. This makes it a solid choice for those seeking a reliable, dual-function smoke and carbon monoxide detector with interconnectivity and long-term power backup, albeit with some considerations for installation and smart feature limitations.

Rating
9.6
Power Source
Ease of Installation

Most important from
442 reviews

Power Source
Easy to install and love the 10-year battery. Great price and value since they are CO detectors too!
Ease of Installation
Easy to install and love the 10-year battery. Great price and value since they are CO detectors too!
#3

Siterlink Hardwired Interconnected Smoke Detectors,Photoelectric Smoke Alarm with 9V Battery Backup,Test/Silence Button, Hard Wired Fire Alarm for Home GS562A 6pack

Rating
9.5
Ease of Installation

Most important from
692 reviews

Ease of Installation
The thoughtful separate mounting plate makes installation a breeze.

The Siterlink Hardwired Interconnected Smoke Detectors GS562A is a reliable choice for home safety. It uses photoelectric sensors, which are effective in detecting slow, smoldering fires that may not produce large flames initially. This makes it a suitable option for early smoke detection. The smoke detectors are hardwired, ensuring a consistent power source, and have a 9V battery backup that maintains functionality during power outages, providing continuous protection.

The interconnectivity feature allows you to link up to 12 devices, ensuring that if one alarm is triggered, all interconnected alarms will sound, effectively alerting everyone in the house. This is particularly beneficial for larger homes with multiple rooms. The alarm emits a loud sound over 85dB, which is sufficient to wake most people up in case of an emergency. The test and silence button is a useful feature, allowing you to easily check the functionality of the alarms and silence them when needed. This can help prevent false alarms caused by non-emergency situations like cooking smoke.

The built-in LED indicator is soft and unobtrusive, making it suitable for bedrooms and children's rooms without disturbing sleep. However, the product lacks smart features such as app connectivity or remote notifications, which could be a downside for those looking for more advanced functionality. Additionally, while the installation is generally straightforward due to its hardwired nature, it may require professional assistance if you're not comfortable working with electrical wiring. This 6-pack offers a good balance of essential features and reliable performance, making it a solid choice for homeowners seeking effective fire protection without the need for smart integrations.

Rating
9.5
Ease of Installation

Most important from
692 reviews

Ease of Installation
The thoughtful separate mounting plate makes installation a breeze.

Buying Guide for the Best Wired Smoke Alarms

Choosing the right wired smoke alarm is crucial for ensuring the safety of your home and loved ones. Wired smoke alarms are connected directly to your home's electrical system, providing a reliable power source and often featuring battery backups for added security. When selecting a wired smoke alarm, it's important to consider several key specifications to ensure you get the best fit for your needs. Here are the key specs to look at and how to navigate them.
Sensor TypeThe sensor type in a smoke alarm determines how it detects smoke or fire. The main types are ionization, photoelectric, and dual-sensor. Ionization sensors are better at detecting fast-flaming fires, while photoelectric sensors are more responsive to smoldering fires. Dual-sensor alarms combine both technologies for comprehensive protection. Choose a sensor type based on the most likely fire risks in your home. For example, if you have a lot of flammable materials, an ionization sensor might be best, while a photoelectric sensor is ideal for areas prone to slow-burning fires.
InterconnectivityInterconnectivity refers to the ability of multiple smoke alarms to communicate with each other. When one alarm detects smoke, all interconnected alarms will sound. This feature is important for larger homes or multi-story buildings, ensuring that everyone in the house is alerted to danger. Look for alarms that can be interconnected either through wiring or wirelessly. If you have a large home, interconnected alarms are highly recommended for comprehensive coverage.
Power SourceWired smoke alarms are connected to your home's electrical system, but they often come with a battery backup to ensure they work during power outages. The type of battery backup can vary, with some using replaceable batteries and others using sealed, long-life batteries. Consider the convenience and maintenance of each option. Sealed batteries typically last 10 years and require less maintenance, while replaceable batteries need to be changed regularly.
Alarm VolumeThe alarm volume is the loudness of the smoke alarm when it goes off, usually measured in decibels (dB). A louder alarm ensures that it can be heard throughout the house, even when you're asleep. Most smoke alarms have a volume of around 85 dB, which is sufficient for most homes. However, if you have a large home or hearing-impaired individuals, you might want to look for alarms with higher volume or additional alert features like flashing lights.
Smart FeaturesSome modern smoke alarms come with smart features, allowing them to connect to your home Wi-Fi and send alerts to your smartphone. This can be particularly useful if you're away from home often. Smart features can also include integration with other smart home devices, voice alerts, and self-testing capabilities. If you value convenience and advanced monitoring, consider a smoke alarm with smart features.
Ease of InstallationEase of installation is an important factor, especially if you plan to install the smoke alarms yourself. Some models come with easy-to-follow instructions and mounting hardware, while others might require professional installation. Consider your comfort level with electrical work and choose a model that matches your installation capabilities. If you're not comfortable with DIY installation, it might be worth hiring a professional to ensure the alarms are installed correctly.

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