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10 Best Hardwired Smoke Detector 2025 in the United States

#1

Winner

9.8 score

FIRST ALERT BRK SC9120FF Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup, 1 pack , White

The FIRST ALERT BRK SC9120FF Smoke and Carbon Monoxide Detector is designed to provide comprehensive safety for your home. It features dual sensing technology, using both an electrochemical sensor for carbon monoxide and an ionization sensor for smoke detection, which ensures accurate identification of potentially hazardous conditions. The unit's interconnectivity allows it to connect with other BRK or First Alert detectors, creating a network of alarms that simultaneously alert you to danger, enhancing home safety.

Rating
9.8
Chosen by1,329
Ease of Installation

Most important from
27178 reviews

Ease of Installation
Easy to install and good quality.
#2
9.6 score

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

The Kidde Hardwired Smoke Detector offers several noteworthy features that make it a strong candidate for home safety. It uses photoelectric sensors, which are effective at detecting smoldering fires and less prone to false alarms from cooking. Its interconnectivity feature ensures that if one alarm goes off, all connected alarms will sound, providing enhanced safety throughout your home. The detector is hardwired, meaning it requires installation into your home's electrical system, but also includes a 10-year battery backup, ensuring continued operation even during power outages and eliminating frequent battery changes.

Rating
9.6
Interconnectivity
Power Source
Smart Features

Most important from
1048 reviews

Interconnectivity
Interconnectivity feature ensures all alarms sound if one goes off, enhancing home safety.
Power Source
A significant value with the 10-year battery backup, eliminating the need for frequent battery changes.
Smart Features
Simple functionality without unnecessary smart features, ensuring ease of use.
Ease of Installation
Easy to install even for those who aren't electricians, with clear instructions.
#3
9.3 score

Smoke Detector, Hardwired Interconnected Smoke Detectors, Smoke Alarm with Replaceable 9V Battery, Interconnects Up to 12 Fire Alarms Smoke Detectors, Photoelectric Fire Alarm with Test/Silence Button

The Putogesafe Hardwired Interconnected Smoke Detector is a reliable choice for enhancing home safety. One of its significant strengths is the ability to interconnect up to 12 units, ensuring that if one alarm detects smoke, all alarms will sound, effectively alerting everyone in the house. This interconnected system can provide a robust safety net.

Rating
9.3
Power Source
Alarm Volume
Ease of Installation

Most important from
758 reviews

Power Source
Each unit comes with a 9V battery, ready to use, which is appreciated. However, it would be convenient if twist wire connectors were included in the package to avoid extra trips for installation supplies.
Alarm Volume
The detectors look clean on a white ceiling and can be installed within a couple of hours. They are loud enough to be clearly heard during an emergency.
Ease of Installation
Installation is straightforward and the detectors are a great value, especially when purchasing multiple units.

Top 10 Best Hardwired Smoke Detector 2025 in the United States

#1

Winner

9.8  score

FIRST ALERT BRK SC9120FF Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup, 1 pack , White

Sensor Type: electrochemical, ionization
Interconnectivity: connect with BRK or First Alert
Power Source: Battery Powered, Hardwired
Alarm Volume: 85 decibels
Ease of Installation: straightforward installation

Chosen by 1329 this week

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

Sensor Type: Photoelectric
Interconnectivity: All connected alarms will sound
Power Source: Hardwired with battery backup
Alarm Volume: 85 decibels
Smart Features: LED indicators, self-testing
Ease of Installation: Hardwired installation challenging

First Alert 9120B Smoke Detector, Hardwired Alarm with Battery Backup, 6-Pack

Sensor Type: Ionization
Interconnectivity: Interconnect with compatible BRK or First Alert
Power Source: Battery Powered
Alarm Volume: 85-decibel
Ease of Installation: Tamper-resistant locking, universal mounting brackets
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Buying Guide for the Best Hardwired Smoke Detector

Choosing the right hardwired smoke detector is crucial for ensuring the safety of your home or business. A hardwired smoke detector is connected directly to your home's electrical system, providing a reliable power source and often featuring battery backup for added security. When selecting a hardwired smoke detector, it's important to consider several key specifications to ensure you get the best fit for your needs. Understanding these specifications will help you make an informed decision and ensure that your property is well-protected against fire hazards.
Sensor TypeThe sensor type in a smoke detector determines how it detects smoke. The two main types are ionization and photoelectric sensors. Ionization sensors are better at detecting fast-flaming fires, while photoelectric sensors are more responsive to smoldering fires. Some models combine both types for comprehensive coverage. Consider the type of fire risks in your environment to choose the right sensor type. For general home use, a combination detector is often the best choice.
InterconnectivityInterconnectivity refers to the ability of multiple smoke detectors to communicate with each other. When one detector senses smoke, all interconnected units will sound an alarm. This feature is important for larger homes or buildings to ensure that everyone is alerted in case of a fire, regardless of where it starts. If you have a multi-story home or a large property, look for smoke detectors that offer interconnectivity.
Power SourceHardwired smoke detectors are connected to your home's electrical system, but they should also have a battery backup to ensure they work during power outages. The battery can be either replaceable or sealed-in (long-life). Replaceable batteries need to be changed regularly, while sealed-in batteries can last up to 10 years. Consider your preference for maintenance and convenience when choosing the power source.
Alarm VolumeThe alarm volume is the loudness of the smoke detector's alarm, typically measured in decibels (dB). A louder alarm ensures that it can be heard throughout the home, even when people are sleeping. Most smoke detectors have an alarm volume of around 85 dB, which is sufficient for most homes. If you have a larger home or hearing-impaired individuals, you might want to look for detectors with higher volume or additional alert features like strobe lights.
Smart FeaturesSome modern smoke detectors come with smart features, such as connectivity to your smartphone, integration with home automation systems, and voice alerts. These features can provide additional convenience and safety, allowing you to receive alerts and monitor your smoke detectors remotely. If you are tech-savvy and want more control over your home’s safety, consider smoke detectors with smart features.
Ease of InstallationEase of installation is an important factor, especially if you plan to install the smoke detectors 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 preferences. If in doubt, it’s always best to consult a professional.

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