10 Best Hard Wired Smoke Detectors of December 2025

• Keep your family safe with this hardwired smoke alarm the battery backup means constant monitoring, even if there's a power failure
• Equipped with an ionization sensor, this smoke alarm reliably detects smoke from fast flaming fires and alerts you with an 85 decibel alarm
• To ensure complete protection make sure to place one on each level of your home and in each bedroom
• Can connect to other compatible BRK or first alert smoke detectors, to ensure all alarms will sound when smoke is detected
• Simple to use, with a single test/silence button, and side load battery compartment tamper resistant locking brackets and universal mounting brackets make installation easy
• Rigorously tested to meet UL standards120 volt AC power with 9V battery backup to keep alarm functioning during power outage
• First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert Brand Trust Survey in February 2018)
• Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety

FIRST ALERT

• Keep your family safe with this hardwired smoke and carbon monoxide alarm; The battery backup means constant monitoring, even if there's a power failure
• Features electrochemical Carbon Monoxide sensing technology as well as a photoelectric sensor equipped with Optipath 360 technology that enhances detection with 360 degree access and reliably detects smoke from smoldering fires
• In case of danger, the loud spread spectrum alarm is designed to be heard easily by even those with some hearing issues
• Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected
• 10 year limited warranty; Equipped with end of life signal chirp, so you know when it's time to replace the unit for your safety
• Rigorously tested to meet UL standards
• Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety
• First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert Brand Trust Survey in February 2018)

FIRST ALERT

• 120V AC with battery backup
• Side load battery drawer
• Tamper resistant locking pins - Universal mounting bracket
• Test/silence button
• Latching alarm indication

FIRST ALERT

• Keep your family safer with this hardwired smoke and carbon monoxide alarm; The 10 year battery backup means constant monitoring for the life of the alarm even if there's a power failure
• Features an electrochemical Carbon Monoxide sensing technology as well as intelligent smoke sensing technology to reduce nuisance alarms; Keyhole slots in the mounting bracket eliminate the need to remove the electrical box screws for installation
• Indicator lights on the face of the unit display the presence of smoke or carbon monoxide, while an 85 decibel siren provides a clear, loud warning upon detection
• Simple to use, with a single test/silence button; Included 10 year lithium battery features a locked drawer to prevent tampering
• 10-year limited warranty; Equipped with end-of-life signal chirp, so you know when it’s time to replace the unit for safety
• Rigorously tested to meet UL standards, Emits T3 pattern
• Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety
• First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert Brand Trust Survey in February 2018)

FIRST ALERT

• Hush feature temporarily silences nuisance alarms
• One touch test button tests unit's electronic circuitry
• Battery backup 9V battery included
• Tamper resist locking pin helps deter alarm tampering and theft
• UL Approved

Kidde

• Provides protection from two hazards - Fire and CO in one unit with 10-year sealed lithium battery backup.
• Sealed-in lithium battery backup - No battery replacement required over the 10 year life of the alarm. Eliminates worry about removal or unauthorized deactivation of alarm.
• Voice warning system - Verbally announces “Fire” or “Warning, Carbon monoxide” to help distinguish between threats. Audio alarm: 85 dB at 10 feet
• Ionization sensing technology - Ideal for detecting fast flaming and other types of fires. Temperature Range: 40 degree F (4.4 degree C) to 100 degree F (37.8 degree C)
• Hush feature - Temporarily silences nuisance alarms for approximately 9 minutes and will not allow hush mode unless the unit is in alarm mode. Interconnects - Up to 24 Kidde devices (of which 18 can be initiating).Flashes once every 60 seconds to indicate battery only mode
• Compatible with Kidde, FireX, code one and sentinel products

Kidde

Kidde

• Keep your family safe with this hardwired smoke and carbon monoxide alarm; The battery backup means constant monitoring, even if there's a power failure
• Features an electrochemical carbon monoxide sensing technology as well as an ionization sensor for smoke detection.
• Indicator lights on the face of the unit display the presence of smoke or carbon monoxide, while an 85 decibel siren provides a clear, loud warning upon detection
• Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected
• Simple to use, with a single test/silence button, and side load battery compartment; Tamper resistant locking brackets and universal mounting brackets make installation easy
• Rigorously tested to meet UL standards
• Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety
• First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert Brand Trust Survey in February 2018)

FIRST ALERT

• Hush feature temporarily silences nuisance alarms
• One touch test button tests unit's electronic circuitry
• Battery backup 9V battery included
• Tamper resist locking pin helps deter alarm tampering and theft
• UL Approved

Kidde

• Keep your family safe with this talking hardwired smoke and carbon monoxide alarm; it's equipped with voice and location, so you are alerted of the danger and where it originates from across your house
• Tells you whether the danger is smoke or carbon monoxide and where the threat is among up to 11 pre programmed locations in your home
• Features electrochemical Carbon Monoxide sensing technology and photoelectric smoke sensor optimized to detect larger smoke particles produced by smoldering fires; helps minimize the number of false alarms
• Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected
• 10 year limited ; equipped with end of life signal chirp, so you know when it's time to replace the unit for your safety
• Rigorously tested to meet UL standards
• NOTE: Kindly refer to the user manual provided as a PDF manual in the product description section
• Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety
• First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert Brand Trust Survey in February 2018)

FIRST ALERT