Best Kidde in 2026

Purchase multiple alarms for whole-home detection - place 1 carbon monoxide detector on each level of your home & outside each sleeping area to help protect against poisonous CO gas

UL Certified, 10-year limited warranty

Whole home family protection - place 1 carbon monoxide detector on each level of your home & in your bedroom to protect from poisonous gases

UL Certified, 10-year limited warranty

Tangle free design fast and easy to deploy in an emergency with anti-slip rungs

No assembly or tools are required; 5-year warranty

Electrochemical sensing technology - CO alarm detects the presence of carbon monoxide gas, 85 decibel alarm & memory storage

UL Certified, 10-year limited warranty

Easy to read digital display - allows for easy viewing of carbon monoxide levels

UL Certified, 10-year limited warranty

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 carbon monoxide event

Battery operated to provide reliable detection, even during power outages; two AA batteries included

UL Certified with a 10-year limited warranty on alarm

Product 1: Easy to read digital display - allows for easy viewing of carbon monoxide levels

Product 2: Ionization sensing technology - hardwired smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire

Product 2: Protects during a power failure - smoke alarm operates on one, 9-volt battery in the back of the unit

Product 2: Whole home family protection - place 1 fire detector on each level of your home & in your bedroom

Product 2: Test-Hush Feature - silences the unit for approximately 7 minutes

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 carbon monoxide event

Battery operated to provide reliable detection, even during power outages; two AA batteries included

UL Certified with a 10-year limited warranty on alarm

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 carbon monoxide event

Battery operated to provide reliable detection, even during power outages; two AA batteries included

UL Certified with a 10-year limited warranty on alarm

Test-Hush Feature - silences the unit for approximately 9 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling

UL Certified, 10-year limited warranty

Interconnects: Up to 24 Kidde devices (of which 18 can be initiating)

Meets safety standards set by Underwriters Laboratories (UL) and interconnects with other KN-COSM-IBA models

120V AC, All Kidde brand hard wired smoke alarms are interconnectable with the KN-COSM-IBA

Easy to read pressure gauge tells you when the fire extinguisher is charged & ready for use

Rust and impact resistant painted steel handle

UL-approved strap bracket (included) for safe & easy mounting & storage

Clear instruction label on the front

UL Listed with a 6-year limited manufacturer's warranty

Test-Hush Feature - silences the unit for approximately 8 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling

UL Certified, 10-year limited warranty

Loud pulsing alarm that will sound to alert you to a potential problem

Low battery warning feature indicates when the battery needs replacement

UL Certified, 5-year Limited Warranty

Two alarms in one detects carbon monoxide and explosive gas

Three convenient mounting options

Digital display and peak level button displays the peak CO level recorded by the alarm since it was last reset

Battery backup 9 volt battery included

Kidde’s carbon monoxide alarms meet the requirements of Underwriters Laboratories (UL), an independent facility that tests products for compliance with widely-accepted safety standards

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

Test-Hush button makes it easy to test the smoke detector and silence false alarms that occur from cooking or shower steam

UL Certified, 10-year limited manufacturer warranty

Photoelectric smoke detector senses visible fire particles and electrochemical CO detector provides accurate readings

UL Certified, 10-year limited warranty

Will interconnect with up to 24 other devices including smoke, CO and heat alarms

Package contains six smoke and carbon monoxide detector combo units

Tangle free design fast and easy to deploy in an emergency with anti-slip rungs

No assembly or tools are required; 5-year warranty

Whole home family protection - place 1 fire alarm on each level of your home & in your bedroom; maximum of 24 Kidde devices can be interconnected

UL Listed, 10-year limited warranty

Package contains 6 Kidde smoke detectors

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

Whole-home interconnection — maximum of 24 Kidde devices of this type can be interconnected; when one alarm sounds, they all do

Hush button — quickly and easily silence false or “nuisance” alarms from things like routine cooking or shower steam

UL Listed, 10-year limited warranty

Clear instruction label: Shows the steps required to operate the extinguisher

Quick and powerful: Discharge time of 13 to 15 seconds, a discharge range of 10 to 15 feet, and an operating pressure of 100 PSI

Multipurpose dry chemical; Fights all types of fire (trash, wood, paper, liquids, electrical equipment)

Pressure gauge allows for immediate pressure status check

Powder coated aluminum cylinder for corrosion protection

Rechargeable; Wall hanger included; Net agent weight 4 pounds

Meets the requirements of Underwriters Laboratories (UL), an independent facility that tests products for compliance with widely-accepted safety standards

Photoelectric smoke detector senses visible fire particles and electrochemical CO detector provides accurate readings

UL Certified, 10-year limited warranty

Will interconnect with up to 24 other devices including smoke, CO and heat alarms

Includes 2 fire extinguishers and instruction label. Warranty: 6 years limited

Experts recommend at least 1 fire extinguisher for every 600 sq. ft. of living space

Key lock box for outside or indoor use includes mounting hardware for easy set-up; different colors match or blend in with surface you are mounting to

Key locker ships in certified Frustration-Free Packaging

Test/Hush Button – It’s simple to test or hush false alarms by pressing the button right on the face of the device

Whole building detection – multi-pack for easily installing 1 fire detector on each level of the home & in each bedroom

UL Certified, 10-year limited warranty

Package contains 6 Kidde smoke detectors

Product 1: Whole home family protection - place 1 carbon monoxide detector on each level of your home & in your bedroom to protect from poisonous gases

Product 2: Ionization sensing technology - hardwired smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire

Product 2: Protects during a power failure - smoke alarm operates on one, 9-volt battery in the back of the unit

Product 2: Whole home family protection - place 1 fire detector on each level of your home & in your bedroom

Product 2: Test-Hush Feature - silences the unit for approximately 7 minutes

Test-Hush button makes it easy to test the smoke detector and silence false alarms that occur from cooking or shower steam

Interconnection capability: allows you to connect up to 24 Kidde smoke, heat, or CO alarms, with the possibly it interconnect 6 strobe lights or relay modules

The unit will chirp at the end of the alarm life, indicating that the alarm is in need of replacement

UL Certified, 10-year limited manufacturer warranty

Low battery warning - One chirp followed by warning “low battery”. The red LED light will flash. This pattern will continue every minute for the first hour. After the first hour the red LED light will flash once every minute accompanied by the chirp sound. The “low battery” warning will only sound once every fifteen minutes. Voice Hush Indication: “Hush activated” and “Hush cancelled” voice announcement

Alarm memory - The green LED will blink once every 16 seconds to alert a user when the unit has alarmed for smoke or has detected a concentration of CO. If the alarm has detected a CO level of 100ppm or greater, when the test/reset button is pressed the unit will announce “CO previously detected”. If the alarm has detected abnormal levels of smoke since its last test, it will produce three rapid beeps.

AC-Wire with battery backup, An included 9V battery protects during short-term power outages

Front-loading battery with unique battery door design

Voice warning with green and red LEDs

Photoelectric smoke sensor – May detect visible fire particles associated with slow smoldering fires sooner than an ionization sensor.

Tamper resistant

Interconnectable - Connect up to 24 devices (of which 18 can be initiating) including smoke, CO and heat alarms. See user’s guide for complete instructions.

Battery backup - 9v battery backup (included).

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

Kidde smoke alarms meet the UL requirements

Ionization sensing technology - battery-powered smoke detector senses invisible fire particles and sounds an 85 decibel alarm

Test/Hush Feature - silences the unit for approximately 7 minutes

UL Certified, 3-year limited warranty

Interconnectable with other hardwired alarms, providing whole-home alarm activation – when one detects smoke, they all sound, alerting everyone in the house

UL Certified, 10-year limited warranty