20 Best Wirecutter Smoke Alarm in 2024 Reviews and Buying Guide

2,982 Reviews Scanned

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1 First Alert 9120B Smoke Detector, Hardwired Alarm with Battery Backup, 6-Pack First Alert 9120B Smoke Detector, Hardwired Alarm with Battery Backup, 6-Pack No ratings yet
2 Kidde Smoke Detector, Hardwired Smoke Alarm with Battery Backup, Front-Load Battery Door,... Kidde Smoke Detector, Hardwired Smoke Alarm with Battery Backup, Front-Load Battery Door,...
3 First Alert 9120BFF Smoke Detector, Hardwired Alarm with Battery Backup, White, 1-Pack First Alert 9120BFF Smoke Detector, Hardwired Alarm with Battery Backup, White, 1-Pack
4 First Alert SA303CN3 Battery Powered Ionization Smoke Alarm with Test/Silence Button , White First Alert SA303CN3 Battery Powered Ionization Smoke Alarm with Test/Silence Button , White No ratings yet
5 FIRST ALERT BRK SC9120FF Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup, 1... FIRST ALERT BRK SC9120FF Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup, 1...
6 Smoke Detector, Hardwired Interconnected Smoke Detectors, Smoke Alarm with Replaceable 9V Battery,... Smoke Detector, Hardwired Interconnected Smoke Detectors, Smoke Alarm with Replaceable 9V... No ratings yet
7 HATHEPHS Wireless Interconnected Smoke Detector 10 Year Battery, Smoke Alarm with Large Test Button,... HATHEPHS Wireless Interconnected Smoke Detector 10 Year Battery, Smoke Alarm with Large Test... No ratings yet
8 Kidde Hardwired Smoke & Carbon Monoxide Detector, AA Battery Backup, Interconnectable, LED Warning... Kidde Hardwired Smoke & Carbon Monoxide Detector, AA Battery Backup, Interconnectable, LED... No ratings yet
9 Kidde Smoke Detector with Safety Light for Hearing Impaired, Battery Operated Smoke Alarm, Ideal for... Kidde Smoke Detector with Safety Light for Hearing Impaired, Battery Operated Smoke Alarm, Ideal... No ratings yet
10 Kidde Hardwired Smoke & Carbon Monoxide Detector, AA Battery Backup, Voice Alerts, Interconnectable,... Kidde Hardwired Smoke & Carbon Monoxide Detector, AA Battery Backup, Voice Alerts,... No ratings yet
11 Kidde Smoke Detector, Battery Operated Smoke Alarm with Safety Light, Hush Feature Kidde Smoke Detector, Battery Operated Smoke Alarm with Safety Light, Hush Feature No ratings yet
12 Universal Security Instruments Hardwired Ionization Smoke and Fire Alarm with Battery Backup, Model... Universal Security Instruments Hardwired Ionization Smoke and Fire Alarm with Battery Backup,... No ratings yet
13 X-Sense 10-Year Battery Wireless Interconnected Smoke Detector Fire Alarm with Over 820 ft... X-Sense 10-Year Battery Wireless Interconnected Smoke Detector Fire Alarm with Over 820 ft...
14 X-Sense Smoke Detector, Wireless Interconnected Fire Alarm with 10-Year Battery Life and... X-Sense Smoke Detector, Wireless Interconnected Fire Alarm with 10-Year Battery Life and... No ratings yet
15 SITERLINK Smoke Detector Hardwired, Smoke Alarm Interconnected with Battery Backup, Photoelectric... SITERLINK Smoke Detector Hardwired, Smoke Alarm Interconnected with Battery Backup, Photoelectric...
16 Kidde Smoke Detector, 9-Volt Battery Operated, Ionization Smoke Alarm, Battery Included Kidde Smoke Detector, 9-Volt Battery Operated, Ionization Smoke Alarm, Battery Included
17 SITERWELL Hardwired Interconnected Smoke Detector, Photoelectric Smoke Alarm with 9V Backup Battery,... SITERWELL Hardwired Interconnected Smoke Detector, Photoelectric Smoke Alarm with 9V Backup... No ratings yet
18 Kidde Hardwired Smoke Detector with 9-Volt Battery Backup, Photoelectric Smoke Alarm, Battery... Kidde Hardwired Smoke Detector with 9-Volt Battery Backup, Photoelectric Smoke Alarm, Battery... No ratings yet
19 Kidde Smoke Detector, 10-Year Battery, Photoelectric Sensor Wire-Free Interconnect Smoke Alarm,... Kidde Smoke Detector, 10-Year Battery, Photoelectric Sensor Wire-Free Interconnect Smoke Alarm,... No ratings yet
20 Smoke Alarm Wireless Interconnectable Fire Alarm with Built-in Lithium Battery and Professional... Smoke Alarm Wireless Interconnectable Fire Alarm with Built-in Lithium Battery and Professional... No ratings yet

SaleBestseller No. 1
First Alert 9120B Smoke Detector, Hardwired Alarm with Battery Backup, 6-Pack
  • Note: A loose neutral (white wire) connection within the home junction box could prompt a device malfunction
  • 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...
Bestseller No. 2
Kidde Smoke Detector, Hardwired Smoke Alarm with Battery Backup, Front-Load Battery Door,...
  • Ionization sensing technology - hardwired smoke detector senses invisible fire particles, 85 decibel alarm alerts of fire
  • Still works during power failures - smoke alarm with battery backup operates on a 120V power source with 9V battery included
  • Easy to install & front-load battery door makes for quick battery replacements
  • Test-Hush Button - it’s simple to test or hush false alarms by pressing the button right on the face of the device
  • UL Certified, 10-year limited warranty
Bestseller No. 3
First Alert 9120BFF Smoke Detector, Hardwired Alarm with Battery Backup, White, 1-Pack
  • 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...
SaleBestseller No. 4
First Alert SA303CN3 Battery Powered Ionization Smoke Alarm with Test/Silence Button , White
  • Help keep your family safe with this battery powered smoke alarm featuring an ionization sensor for smoke detection; a loud 85 decibel alarm sounds...
  • Ionization sensor is effective in recognizing smoke from flaming fires such as paper and grease fires
  • Battery operated alarm unit provides continuous monitoring even if there's a power failure; Plus, it's easy to install
  • Tamper resistant alarm also features a single test/silence button, side battery door, and missing battery guard
  • To ensure complete protection make sure to place one on each level of your home and in each bedroom
Bestseller No. 5
FIRST ALERT BRK SC9120FF Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup, 1...
  • Keep your family safe with this hardwired smoke and carbon monoxide alarm; The battery backup means constant monitoring, even if there's a power...
  • 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...
  • 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...
Bestseller No. 6
Smoke Detector, Hardwired Interconnected Smoke Detectors, Smoke Alarm with Replaceable 9V Battery,...
  • [Hardwired interconnection] Up to 12 smoke alarms can be interconnected to cover your entire home. When one detects smoke, they all make a sound to...
  • [9V Battery backup] Hardwired smoke detectors are equipped with 9V lithium batteries. Ensure that all units are always connected and continue to...
  • [Test Mute button and LED light] It is connected with other alarms. Just press the test/mute button on one of the units to test or mute the entire...
  • [Photoelectric smoke sensor] Based on advanced photoelectric technology, smoke alarms can be more sensitive, fast, accurate measurement of smoke...
  • [Simple installation] The installation of smoke alarm is very simple. The AC connector is connected only to the mains power and signal cables. (Please...
Bestseller No. 7
HATHEPHS Wireless Interconnected Smoke Detector 10 Year Battery, Smoke Alarm with Large Test Button,...
  • Wireless Interconnection: The alarms in a multi-pack are already linked and can connect with up to 30 wireless smoke alarms. They extend coverage and...
  • Built-In 10-Year Battery: Experience continuous, round-the-clock protection with the built-in 10-year lithium battery, eradicating the need for...
  • Compact Design & Large Button: This device measures just 3.9 inches in diameter with a portable design, ensuring easy, unobtrusive installation in any...
  • High Sensitivity & Accuracy: This wireless smoke detector features faster response times and fewer false alarms with the upgraded photoelectric sensor...
  • Install in Only Minutes: Simple installation of this wireless interconnected smoke alarm on any wall or ceiling using the provided adhesive tape or...
SaleBestseller No. 8
Kidde Hardwired Smoke & Carbon Monoxide Detector, AA Battery Backup, Interconnectable, LED Warning...
  • 24/7 Self-testing components are always checking the device to ensure it's operating as expected (not a substitute for a manual push test)
  • Easy installation mounting bracket included for quick installation in 4 orientations
  • Photoelectric sensor detects visible fire particles associated with slow, smoldering fires, while the electrochemical sensor detects carbon monoxide
  • 85-decibel alarm & LED warning indicators alert you to various status: green = normal operation, amber = operating error, and red = smoke, fire or...
  • Battery operated to provide reliable detection, even during power outages; two AA batteries included
SaleBestseller No. 9
Kidde Smoke Detector with Safety Light for Hearing Impaired, Battery Operated Smoke Alarm, Ideal for...
  • Ionization sensor technology alerts to invisible fire particles to provide detection of dangerous smoke or fire
  • Operating on a 9-volt alkaline battery, the Kidde smoke alarm provides reliable detection of smoke or fire, even during power outages
  • Easy installation – this basic smoke detector requires no wiring
  • Illumination of a safety light helps guide your way to safety when dense smoke is present
  • An 85-decibel alarm sounds & a red LED indicates the smoke detector is sensing smoke or fire
Bestseller No. 10
Kidde Hardwired Smoke & Carbon Monoxide Detector, AA Battery Backup, Voice Alerts, Interconnectable,...
  • 2-in-1 Detection - Smoke & carbon monoxide detector combo alerts you to both smoke & fire events as well as poisonous, CO gas in a single device
  • Voice Alarm announces the hazard type when detected: “Fire!” = smoke or fire, “Warning Carbon Monoxide” = CO gas, or "Low Battery" when the...
  • 85-decibel alarm alerts to smoke, fire, or carbon monoxide
  • 24/7 Self-testing components are always checking the device to ensure it's operating as expected (not a substitute for a manual push test)
  • Whole-Home Alarm Activation - expands detection via hardwired connections to other Kidde smoke alarms, so when 1 alarm sounds, they all do**
SaleBestseller No. 11
Kidde Smoke Detector, Battery Operated Smoke Alarm with Safety Light, Hush Feature
  • Safety light helps to illuminate an escape path, guiding your family outside
  • Battery-operated smoke detector powered by two 9V batteries (included) to help keep your home protected even during a power outage
  • Smoke alarm is simple to install with an easy twist-on mounting plate
  • Mount the smoke detector with safety light in hallways and stairwells
  • UL Listed with a 10-year limited warranty
SaleBestseller No. 12
Universal Security Instruments Hardwired Ionization Smoke and Fire Alarm with Battery Backup, Model...
  • Front-loading battery drawer makes it easy to replace battery without removing the alarm from the bracket
  • Fully interconnectable with up to twenty-four USI-compatible devices
  • Patented Quick Find alarm origination easily identifies the first alarm to sound in interconnected systems.Temperature Range:40º F to 100º F (4º C...
  • Universal mounting bracket fits any standard wiring junction box, single gang, round or octagon, up to 4-inches
  • Comes with a ten-year limited warranty
Bestseller No. 13
X-Sense 10-Year Battery Wireless Interconnected Smoke Detector Fire Alarm with Over 820 ft...
  • Detection Anywhere: Features wireless interconnection so that if one alarm is triggered, they all go off, and they stay connected using radio...
  • Ready to Use: The multi-pack detectors have already been connected for instant use, and you can connect up to 24 Link+ wireless alarms at a time
  • Customizable Wireless Network: For a customized network, add new devices to the existing network, or disconnect the devices and create multiple...
  • Battery Powered Smoke Alarm: Built with a 10-year sensor and powered by a sealed 10-year lithium battery that doesn’t need to be replaced
  • Premium Quality Material: This smoke detector is made from an upgraded premium material that is durable, corrosion-resistant, and flame-retardant
Bestseller No. 14
X-Sense Smoke Detector, Wireless Interconnected Fire Alarm with 10-Year Battery Life and...
  • 10-Year Lifespan: This smoke detector offers 10 years of continuous protection in a compact design; the built-in 10-year lithium battery will not need...
  • Wireless Connection: Up to 24 X-Sense Link+ wireless alarms, including smoke alarms, carbon monoxide alarms, and combination alarms, can be linked via...
  • Flexible Network: The battery operated smoke detectors in this multi-pack have been pre-connected; to customize your network, simply add new devices...
  • Flame-Retardant Material: The housing of the wireless interconnected smoke detector is made of flame-retardant and high-temperature resistant ABS...
  • 85 dB Alarm: When one fire alarm is triggered, all units will emit a loud 85 dB alarm, which can wake even the heaviest sleepers
Bestseller No. 15
SITERLINK Smoke Detector Hardwired, Smoke Alarm Interconnected with Battery Backup, Photoelectric...
  • Operated by AC 120V with 9V Battery Backup: SITERLINK hardwired smoke detector will last 10 years; the device includes 9V lithium battery, can be used...
  • Photoelectric Sensor for Accurately Detect: Photoelectric sensor smoke alarm helps to monitor smoke and fires quickly, provides the warning of fires...
  • Alarming with Wired Interconnection: SITERLINK smoke detector with hardwired interconnection fuction up to 12 devices can be connected, one of alarms...
  • Test-Silence Button and LED Lights: Fire alarm with test button would be tested weekly by pushing the test button; if sounds the alarm signal without...
  • High Quality and Friendly Customer Support: SITERLINK smoke alarm built with first-class fire-retardan PC plastic material, tested strictly before...
SaleBestseller No. 16
Kidde Smoke Detector, 9-Volt Battery Operated, Ionization Smoke Alarm, Battery Included
  • Basic ionization smoke alarm, affordable and simple to use to provide detection of dangerous smoke or fire
  • Powered by a 9V battery (included), the smoke alarm protects even when the power is out
  • Easy installation – this basic smoke detector requires no wiring
  • Green LED indicates power to the smoke detector
  • An 85-decibel alarm sounds & a red LED indicates the smoke detector is sensing smoke or fire
Bestseller No. 17
SITERWELL Hardwired Interconnected Smoke Detector, Photoelectric Smoke Alarm with 9V Backup Battery,...
  • HARDWIRED SMOKE DETECTOR - Hardwired interconnected smoke alarm, can connect up to 12 alarms. It is more precise and stable than wireless...
  • INTERCONNECTION TEST - If the fire detectors are interconnected, you only need to press one test button during the weekly test, and the rest can be...
  • 9V BATTERY BACKUP - The fire alarm is powered by a 120V power and a 9V backup battery. The alarm battary will last for at least 1 year, providing...
  • SILENCE MODE - Worried about false positives? The smoke detector has a silence button, you can hold it down for five seconds to calm it.
  • SIZE & CAPABILITY - 5” diameter x 1.6” depth, UL217 certified. Home fires start every 83 seconds, the fire detector can quickly identify the fire...
SaleBestseller No. 18
Kidde Hardwired Smoke Detector with 9-Volt Battery Backup, Photoelectric Smoke Alarm, Battery...
  • Photoelectric sensor technology senses visible fire particles, associated with smoldering fires
  • Smoke alarm operates on a 120V wired power source with a 9-Volt alkaline battery backup (included)
  • An 85-decibel alarm sounds & a red LED indicates the smoke detector is sensing smoke or fire
  • Test-Hush button makes it easy to test the smoke detector and silence false alarms that occur from cooking or shower steam
  • UL listed with a 10-Year limited manufacturer warranty on the alarm only (not a battery performance claim). Warranty begins when the alarm is powered...
SaleBestseller No. 19
Kidde Smoke Detector, 10-Year Battery, Photoelectric Sensor Wire-Free Interconnect Smoke Alarm,...
  • Photoelectric sensor technology senses visible fire particles, associated with smoldering fires
  • Operates on a 10-year lithium battery, eliminating the need for battery replacement, while providing reliable detection during a power failure
  • Voice Alarm & an 85-decibel alarm announces a hazard when detected: “Fire!” = smoke or fire or "Replace Alarm" when the alarm has reached its end...
  • Green LED indicates power to the smoke detector, while a red LED indicates the presence of smoke or fire
  • Ambient Light Sensing feature establishes a day/night cycle and prevents late-night battery chirps in dark conditions
Bestseller No. 20
Smoke Alarm Wireless Interconnectable Fire Alarm with Built-in Lithium Battery and Professional...
  • WIRELESS INTERCONNECTION FUNCTION: This alarm can realize the interconnection between products. When an alarm detects smoke and the alarm sounds,...
  • PHOTOELECTRIC TECHNOLOGY: This alarm is a photoelectric smoke alarm with wireless. With the photoelectric technology, it is more sensitive to...
  • 10 YEARS OF LIFE: This fire alarm has a built-in 3V lithium battery, it can ensure that the alarm will be used for 10 years without replacing the...
  • LOW BATTERY WARNING: Low battery voltage signal ensures the smoke detector can work normal. When the battery voltage is lower than threshold, an...
  • TEST&SLIENCE BUTTON: The Test / Silence button allows you can often test the alarm to test the unit for proper operation, and easily silence the alarm...
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