Top combination alarm for 2021

When you looking for combination alarm, you must consider not only the quality but also price and customer reviews. But among hundreds of product with different price range, choosing suitable combination alarm is not an easy task. In this post, we show you how to find the right combination alarm along with our top-rated reviews. Please check out our suggestions to find the best combination alarm for you.

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Best combination alarm reviews

1. X-Sense 10-Year Battery (Not Hardwired) Combination Smoke and Carbon Monoxide Detector Alarm, Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards, Auto-Check, SC03

Feature

1. 10-YEAR BATTERY LIFE: This combination smoke detector and carbon monoxide detector alarm provides 10 years of continuous power with a built-in lithium battery; provides continuous monitoring of smoke and CO levels, even if there's a power failure; an end-of-life signal will let you know when its time to replace the unit for safety
2. ALARM TYPES FOR MORE CONVENIENT: Different alarm patterns of this carbon monoxide detector and smoke alarm tell you it is either smoke or carbon monoxide is detected without checking the LCD display; smoke alarm: delivers 3 long beeps every 1. 5 seconds and the red LED flashes with the alarm sound; CO alarm: delivers 4 quick beeps every 5. 8 seconds and the red LED flashes with the alarm sound
3. HIGH ACCURACY AND SENSITIVITY: X-SENSE carbon monoxide fire alarm is equipped with combination photoelectric smoke and electrochemical CO sensors that work independently of each other; instantly notifies you when dangerous smoke or CO concentration is detected; provides the ultimate protection from 2 deadly threats, all contained in 1 unit
4. SIMPLE TO USE: The test/silence button of this smoke alarm carbon monoxide alarm enables you to test the alarm weekly, and to easily silence the alarm when false alarms occur; malfunction and low battery warnings allow you to easily know the working status of the alarm; in case of an emergency, an alarm tone of over 85 dB will instantly alert the entire household, even those in sleep
5. EASY INSTALLATION WITH QUALITY: X-SENSE smoke carbon monoxide detector combo requires no rewiring; easy to mount on any wall or ceiling without an electrician; all X-SENSE carbon monoxide detector and smoke alarm are rigorously tested to meet UL 217 and UL 2034 safety standards; comes with a lifetime customer support

2. First Alert Smoke Detector and Carbon Monoxide Detector Alarm | Battery Operated, SCO5CN

Feature

Keep your family safe with this battery operated smoke and carbon monoxide alarm; Battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure
Features an electrochemical carbon monoxide sensing technology as well as a photoelectric sensor that detects the larger particles of a smoldering fire
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
Battery operated unit installs quickly and easily without an electrician. Low battery signal mute, quiets low battery signal for up to 8 hours
Simple to use, with a single test/silence button; EZ access battery drawer allows you to change battery without removing alarm from ceiling
7 year limited warranty; Equipped with end of life signal chirp, so you know when its time to replace the unit for safety; All first alert alarms are rigorously tested to meet UL standards
It can ship within the US except New York
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)

3. Kidde Smoke & Carbon Monoxide Detector, Battery Powered, Combination Smoke & CO Alarm, Voice Alert

Feature

Voice Alarm Announces the hazard type detected thereby helping to speed up the correct reaction to the hazard detected. Alarm announces Fire when a smoke or fire hazard is detected and announces Warning Carbon Monoxide when a CO hazard is detected
Combined Carbon Monoxide and Smoke Alarm A single unit can be installed where previously, two were needed. Reduces installation time and helps to keep home dcor attractive.
Audio alarm: 85 dB at 10 feet. Test/Reset Button and LEDs Tests alarm circuitry and triggers the voice announcement. Flashing green for normal operation and flashing red for alarm condition. Humidity Range: 10 percent to 95 percent relative humidity non-condensing
Battery - Provides protection even during power outages when many fire and carbon monoxide incidents occur. The unit warns of a low battery condition by announcing low battery and by initiating an alarm chirp and activating a flashing red LED. The battery door will not close unless the batteries are properly installed. Note : The date printed on the item is manufacturing date, not the expiration date. Refer to the PDF attached below in Technical Specification for Manual.
Voice Announcements - Hush Feature temporarily silences nuisance alarms with HUSH MODE ACTIVATED and HUSH MODE CANCELLED voice announcement. If the alarm had detected a CO level of 100ppm or higher, the unit will announce CARBON MONOXIDE PREVIOUSLY DETECTED to warn of the CO incident, when the Test/ Reset button is pressed. Temperature Range: 40F (4. 4C) to 100F (37. 8C). Voltage (volts): 4. 5

4. 3 Pack Combination Smoke and Carbon Monoxide Detector Battery Operated, Travel Portable Photoelectric Fire&Co Alarm for Home, Kitchen

Feature

Combo smoke detector/carbon monoxide alarm detects two threats
Electrochemical CO sensor alerts you to carbon monoxide danger
Photoelectric sensor detects smoke while minimizing false alarms
Battery-operated unit installs quickly and easily without an electricianA single button tests the unit or silences the alarm. Low battery signal mute, quiets low battery signal for up to 8 hours
5 YEARS WARRANTY

5. 4 Pack Combination Smoke and Carbon Monoxide Detector Battery Operated, Travel Portable Photoelectric Fire&Co Alarm for Home, Kitchen

Feature

Combo smoke detector/carbon monoxide alarm detects two threats
Electrochemical CO sensor alerts you to carbon monoxide danger
Photoelectric sensor detects smoke while minimizing false alarms
Battery-operated unit installs quickly and easily without an electricianA single button tests the unit or silences the alarm. Low battery signal mute, quiets low battery signal for up to 8 hours
5 YEARS WARRANTY

6. Kidde KN-COSM-IBA Hardwire Combination Smoke/Carbon Monoxide Alarm with Battery Backup and Voice Warning, Interconnectable (3-Pack, White)

Feature

Operated Combination Carbon

7. Kidde KN-COSM-IBA 21006377A Hardwire Combination Carbon Monoxide and Smoke Alarm with Battery Backup and Voice Warning, Interconnectable BOX OF 6

8. Kidde Smoke and Carbon Monoxide Detector Alarm with Voice Warning | Hardwired w/10 Year Lithium Battery Backup | Interconnectable | Model # i12010SCO, White

Feature

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

9. Combination Smoke and Carbon Monoxide Detector Alarm 10 Year Battery Operated for Home Bedroom Travel with Test Silence Button

Feature

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
Keep your family safe with this battery-operated carbon monoxide and smoke detector alarm; built-in 10-year battery means continuous power for the life of the alarm
A loud 85-decibel alarm sounds when Carbon Monoxide, and Smoke levels begin to rise
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

10. Combination Smoke and Carbon Monoxide Detector Alarm Battery Operated Digital Display for Travel Home Bedroom and Kitchen

Feature

2-in-1 Accurate, Reliable & Highly Sensitive Alarm: Equipped with both photoelectric smoke sensor and electrochemical CO sensor that work independently of each other; every second counts; detects both fast and slow-burning fires, and instantly notifies you when dangerous smoke or CO concentration is detected while minimizing false alarms; provides the ultimate protection from 2 deadly threats, all contained in 1 unit
LCD Display: Clearly indicates real-time carbon monoxide (CO) concentration in the surrounding air, as well as the remaining battery life and working status of the alarm
Test/Silence Button: Tests the unit for proper operation and resets the smoke and carbon monoxide alarm, Alarm Volume: Loud > 85dB(A) at 1 meters. Loud 85-decibel alarm is designed to be heard easily. Pls kindly press if false alarm.
Easy Install and Use: The alarm can easily install with mounting bracket. No hardwired anymore, very convenient to install at home or bedroom - wall mount, screws included.
Safety and 5 year Warranty: Low battery signal alarm and "end of life"warning ensures the detector can work normal. Environment friendly, without smell, radiation or harm. If any problem, contact with us without hesitation, we will reply to you asap.

11. 2 Pack Combination Smoke and Carbon Monoxide Detector Alarm Battery Operated Digital Display for Travel Home Bedroom and Kitchen

Feature

2-in-1 Accurate, Reliable & Highly Sensitive Alarm: Equipped with both photoelectric smoke sensor and electrochemical CO sensor that work independently of each other; every second counts; detects both fast and slow-burning fires, and instantly notifies you when dangerous smoke or CO concentration is detected while minimizing false alarms; provides the ultimate protection from 2 deadly threats, all contained in 1 unit
LCD Display: Clearly indicates real-time carbon monoxide (CO) concentration in the surrounding air, as well as the remaining battery life and working status of the alarm
Test/Silence Button: Tests the unit for proper operation and resets the smoke and carbon monoxide alarm, Alarm Volume: Loud > 85dB(A) at 1 meters. Loud 85-decibel alarm is designed to be heard easily. Pls kindly press if false alarm.
Easy Install and Use: The alarm can easily install with mounting bracket. No hardwired anymore, very convenient to install at home or bedroom - wall mount, screws included.
Safety and 5 year Warranty: Low battery signal alarm and "end of life"warning ensures the detector can work normal. Environment friendly, without smell, radiation or harm. If any problem, contact with us without hesitation, we will reply to you asap.

12. Smoke and Carbon Monoxide Detector - Battery Operated Smoke CO Alarm Detector Combo Unit

Feature

Smoke Detector and Carbon Monoxide Detector Alarm Combo Unit
This Smoke& carbon monoxide detector suitable for all where it is possible to produce carbon monoxide, such as your home kitchen, bedroom, bathroom, hotel, or you are in the barbecue time, your parking garage
When carbon monoxide and smoke rise to alarm levels, the 85 dB alarm provides a clear, loud warning when it is discovered.
Dual high stability sensors- Minimize carbon monoxide and smoke detector alarm false positive
5 Year Waranty

13. Kidde Intelligent Detector Alarm Battery Operated Combination Smoke & Carbon Monoxide Detector Alarm | Model KN-COSM-XTR-BA

Feature

Voice Alarm - Announces the hazard type detected thereby helping to speed up the correct reaction to the hazard detected. Alarm announces Fire Fire when a smoke or fire hazard is detected and announces Warning Carbon Monoxide when a CO hazard is detected. The Hush feature temporarily silences nuisance alarms.
Combined Carbon Monoxide and Smoke Alarm - A single unit can be installed where previously, two were needed. Reduces installation time and helps to keep home dcor attractive. Test/Reset Button-Tests alarm circuitry and triggers the voice announcement.
LEDs - Flashing green for normal operation and flashing red for alarm condition
Low Battery Warning - The unit warns of a low battery condition by announcing low battery and by initiating an alarm chirp and activating a flashing red LED.
Provides protection even during power outages when many fire and carbon monoxide incidents occur. The battery door will not close unless the batteries are properly installed.Voltage:1.3 volts

14. Combination Smoke and Carbon Monoxide Detector Alarm, GLBSUNION Beeps Warning Smoke and CO Alarms for Basements Travel Home Office Kitchen Bedroom Car, Battery Operated, Comply with UL 217/2034,2-Pack

Feature

Keep your family safe with this battery operated smoke and carbon monoxide alarm; battery powered alarms provide continuous monitoring of CO and smoke levels, even if there's a power failure(Operated by 2 x 1.5V AA Batteries (not included))
2-in-1 Accurate, Reliable & Highly Sensitive Alarm: Equipped with both photoelectric smoke sensor and electrochemical CO sensor that work independently of each other; every second counts; detects both fast and slow-burning fires, and instantly notifies you when dangerous smoke or CO concentration is detected while minimizing false alarms; provides the ultimate protection from 2 deadly threats, all contained in 1 unit
Indicator lights on the face of the unit display the presence of smoke or carbon monoxide, while an 85dB siren provides a clear, loud warning upon detection
Simple to Use: Test/Silence button enables you to test the alarm weekly, and to easily silence the alarm when false alarms occur; malfunction and low battery warnings allow you to easily know the working status of the alarm; in case of an emergency, an alarm tone of over 85 dB will sound throughout your entire home, instantly alerting the entire household, even those in sleep
Quick & Easy Installation with Guaranteed Quality: Product Dimensions: 4 * 4 * 1.5 inch, Requires no rewiring; easy to mount on any wall or ceiling with the included mounting bracket, screws and anchor plugs; certified to meet the UL safety standards for your peace of mind and absolute confidence in our product. you can get two detector alarms with Mounting bracket , one manual, four screws.

15. Combination Photoelectric Smoke Detector and Carbon Monoxide Detector Alarm Digital Display, Protect Your Home from Fire and Gas Leaks 2 Pack

Feature

LCD Display: Clearly indicates real-time carbon monoxide (CO) concentration in the surrounding air, as well as the remaining battery life and working status of the alarm
Combination Smoke Detector and Carbon Monoxide Detector Can Detect the threat of these Two Gases.
Carbon Monoxide Detector alarm Using High accurate Electrochemical Sensor, alerts you to Carbon Monoxide Danger.
Photoelectric Sensor Detects Smoke, Smoke Detector While Minimizing false alarms.
Smoke CO Detector Operated unit installs quickly and easily without an electrician at home or bedroom.

16. Smoke and Carbon Monoxide Detector Combo, with Sound Warning and Number Display Battery Powered

Feature

Combination Smoke Detector and Carbon Monoxide Detector Can Detect the threat of these Two Gases.
ared Photoelectric Sensor Detects Smoke, Smoke Detector While Minimizing false alarms.
Carbon Monoxide Detector alarm Using High accurate Electrochemical Sensor, alerts you to Carbon Monoxide Danger. insurance Safety of your life.
The Battery - powered Smoke CO Detector Can be installed Quickly and Easily. You Can Hear the low power alarm When the Power is Close to Run out, and wont Miss the Chance to Change the New Battery.
Suitable for all the Place Possible to Produce Carbon Monoxide , Such as your Home Kitchen, Bedroom, Bathroom, Hotel. Also Useful When you are Enjoying the Barbecue, Using Charcoal Warm yourself, or Putting it in your Parking Garage, etc.

Conclusion

By our suggestions above, we hope that you can found the best combination alarm for you. Please don't forget to share your experience by comment in this post. Thank you!