Best Smoke & Carbon Monoxide Alarms (April 2024) - Rated by CherryPicks' Experts

At a Glance: Our Top Picks

Top 1

Kidde Smoke & Carbon Monoxide Detector with Voice Alerts, Battery Powered, Co...

9.9
CPR Score
Top 2

FIRST ALERT BRK SC9120FF Hardwired Smoke and Carbon Monoxide (CO) Detector wi...

9.7
CPR Score
Top 3

First Alert Powered Alarm SCO5CN Combination Smoke and Carbon Monoxide Detect...

9.7
CPR Score
Tips


Our Smoke & Carbon Monoxide Alarms Ranking is based on our detailed analysis of 220 Smoke & Carbon Monoxide Alarms and over 221,331 customer reviews. We have compiled the top 25 Best Smoke & Carbon Monoxide Alarms you might be interested in and ratings based on product features.

* Cherrypicksreviews.com is reader-supported, Our editor review, and recommend the best products based on extensive data analysis, if you click on the product links, we may earn a commission through qualifying products purchased.

The Best Smoke & Carbon Monoxide Alarms Rated by CherryPicks

Market Overview
Smoke & Carbon Monoxide Alarms Reviewed
  • Reviews Analyzed: 221,331 Items
  • CPR Avg. Rating: 8.6 / 10
25 Products Evaluated
  • Highest Price: $270.75
  • Lowest Price: $22.17
  • Avg. Price: $71.25
Price Disclaimer

Top 25 Smoke & Carbon Monoxide Alarms on Amazon (Verified You can Buy)

Kidde Smoke & Carbon Monoxide Detector with Voice Alerts, Battery Powered, Combination Smoke & CO Alarm

Kidde
KN-COSM-BA
1.8 x 5.6 x 5.6 Inches
0.8 Pounds

Ratings for Kidde (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

2 units in 1: unit alerts you to smoke & carbon monoxide by sounding a loud, 85-decibel alarm & sounding voice alerts
Ionization sensor technology senses invisible fire particles, while a electrochemical sensor detects CO gas
Show More

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

FIRST ALERT
SC9120B
5.6 x 5.6 x 1.9 Inches
0.25 Pounds

Ratings for FIRST ALERT (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Flashlighting Supply -

Features

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.
Show More
Top 3

First Alert Powered Alarm SCO5CN Combination Smoke and Carbon Monoxide Detector, Battery Operated, 1 Pack, White

FIRST ALERT
SCO5CN
2.0 x 5.0 x 5.0 Inches
0.6 Pounds

Ratings for FIRST ALERT (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

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
Show More
Top 4

Kidde Intelligent Smoke & Carbon Monoxide Detector, Battery Powered, Combination Smoke & CO Alarm with Voice Alert

Kidde
KN-COSM-XTR-BA
5.6 x 1.8 x 5.6 Inches
0.01 Pounds

Ratings for Kidde (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Rubicon Trading -
RW DISTRIBUTOR -

Features

Fire & CO detector in 1 unit with alert modes, LED lights, & voice alarm, that states, "Fire Fire", "Warning Carbon Monoxide", or "Low Battery"
Ionization & Electrochemical sensor technologies - smoke detector detects invisible fire particles, while the CO alarm detects poisonous carbon monoxide gas; 85 decibel alarm alerts of fire
Show More

Kidde Hardwired Smoke & Carbon Monoxide Detector, Battery Backup, Interconnectable, LED Warning Light Indicators

Kidde
KN-COSM-IBA
2.0 x 6.0 x 6.0 Inches
1.0 Pounds

Ratings for Kidde (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
JD's Electrical Supplies -
Deals Abound -
Advantage Contractor Supply -
Parks Electronics and More -
Beanstalk Ecom LLC -

Features

Fire & CO Detector in 1 unit with alert modes, LED lights, & voice alarm, that states, "Fire! Fire!", "Warning! Carbon Monoxide!", or "Low Battery!"
Ionization sensing technology - hardwired smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire
Show More
Top 6

Kidde Smoke & Carbon Monoxide Detector, 10-Year Battery, Voice Alerts

Kidde
P3010CU
5.22 x 1.6 x 5.22 Inches

Ratings for Kidde (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Union Sales 5,091

Features

2 units in 1: unit alerts you to smoke & carbon monoxide by sounding a loud, 85-decibel alarm & sounding voice alerts
Photoelectric sensor technology senses visible fire particles, while a electrochemical sensor detects CO gas
Show More

First Alert BRK PRC710 Smoke and Carbon Monoxide Alarm with Built-In 10-Year Battery , White

FIRST ALERT
PRC710
5.67 x 5.67 x 1.13 Inches
1.4 Pounds

Ratings for FIRST ALERT (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
General King -
Varsity Line Products 5,314
SportingDoc 88

Features

Complies with all current 10 year legislation in U. S. states/cities where required
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
Show More
Top 8

Kidde Hardwired Smoke & Carbon Monoxide Detector, 10-Year Battery Backup, Voice Alerts

Kidde
i12010SCO
5.5 x 1.5 x 5.5 Inches

Ratings for Kidde (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Flashlighting Supply -
Bright stuff -
NAVIVI -

Features

2 units in 1: unit alerts you to smoke & carbon monoxide by sounding a loud, 85-decibel alarm & sounding voice alerts
Ionization sensor technology senses invisible fire particles, while a electrochemical sensor detects CO gas
Show More
Top 9

FIRST ALERT BRK SC7010BV-3 Hardwired Talking Photoelectric Smoke and Carbon Monoxide (CO) Detector, 3-Pack , White

FIRST ALERT
BRK SC7010BV-3
5.1 x 5.1 x 2.4 Inches
0.74 Pounds

Ratings for FIRST ALERT (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Keep your family safe with this 3-pack of talking hardwired smoke and carbon monoxide alarms; they're 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
Show More
Top 10

First Alert BRK SC7010B Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup , White

FIRST ALERT
SC7010B
5.0 x 5.0 x 2.0 Inches
0.7 Pounds

Ratings for FIRST ALERT (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
MaxWarehouse 354
Express Electric -

Features

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
Show More
Top 11

First Alert Battery Powered Z-Wave Smoke Detector & Carbon Monoxide Alarm, Works with Ring Alarm Base Station, 2nd Generation

FIRST ALERT
1044807
5.0 x 0.0 x 2.0 Inches
0.68 Pounds

Ratings for FIRST ALERT (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Home Controls, Inc. -

Features

This device is certified to work with Ring; Requires Ring Alarm Base Station to Work with Ring. Enjoy improved compatibility, easier setup and a seamless in-app experience.Temperature Range: 40°F (4°C) to 100°F (38°C). Humidity Range: 10% to 95% relative humidity (RH).
Receive real-time notifications in the Ring App when smoke or carbon monoxide is detected. Do not insert the batteries into your First Alert alarm until prompted by the Ring app.
Show More
Top 12

X-Sense 2-in-1 Smoke and Carbon Monoxide Detector Alarm (Not Hardwired), 10-Year Battery-Operated Dual Sensor Fire & CO Alarm, Compliant with UL 217 & UL 2034 Standards, SC06, Pack of 3

X-Sense
SC06
5.7 x 5.7 x 2.0 Inches
0.69 Pounds

Ratings for X-Sense (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
X-SENSE USA 5,169
X-SENSE US -

Features

Combination Smoke and Carbon Monoxide Alarm: One alarm to protect against 2 deadly threats, including smoke and carbon monoxide; accurately detects carbon monoxide from any potential source
10-Year Battery-Operated Smoke and CO Alarm: A sealed lithium battery enables the unit to keep you and your family safe and sound for up to a decade with no need to replace batteries frequently; a low battery warning lets you know the unit is coming to its end of life
Show More
Top 13

Kidde Smoke Detector & Carbon Monoxide Detector Combo with 10-Year Battery

Kidde
P3010k-CO
5.22 x 5.22 x 1.6 Inches

Ratings for Kidde (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
CAPITAL ELECTRIC SUPPLY -

Features

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
Photoelectric sensor detects visible fire particles associated with slow, smoldering fires, while the electrochemical sensor detects carbon monoxide
Show More
Top 14

First Alert SCO501CN-3ST Wireless Interconnected Combination Smoke and Carbon Monoxide Alarm with Voice Location, Battery Operated

FIRST ALERT
SCO500
5.0 x 5.0 x 2.0 Inches
0.2 Pounds

Ratings for FIRST ALERT (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
AmericaMart 3,315

Features

Battery operated smoke and carbon monoxide alarm can be installed easily
Connects multiple alarms together for wireless safety network
Show More
Top 15

Google Nest Protect - Smoke Alarm - Smoke Detector and Carbon Monoxide Detector - Wired, White

Google
A12
5.3 x 1.5 x 5.3 Inches
1.0 Pounds

Ratings for Google (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
theopportunitynetwork -
LIVE FIT PRODUCTS ✅ -
Spartan Air Solutions -

Features

Phone Alerts: Nest Protect sends you a message when there's a problem or the batteries run low.
Smoke and CO Locator: Nest Protect speaks up if there's smoke or CO and tells you where it is so you know what to do
Show More
Top 16

First Alert Battery Powered SCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location

FIRST ALERT
OLCOMBOVFF
5.13 x 2.38 x 5.13 Inches
0.6 Pounds

Ratings for FIRST ALERT (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Battery operated smoke and carbon monoxide alarm can be installed easily
Wireless interconnect uses radio frequency communication to connect the alarms, without any electrical wiring needed.
Show More
Top 17

Kidde KN-COSM-BA Battery-Operated Combination Carbon Monoxide and Smoke Alarm with Talking Alarm , WHITE

Kidde
KN-COSM-BA
5.6 x 5.6 x 1.8 Inches
0.65 Pounds

Ratings for Kidde (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Metroplex Surplus Sales LLC -
Beanstalk Ecom LLC -

Features

Talking alarm announces the hazard type detected, helping to speed up reaction time
A single unit can be installed where previously two were needed
Show More
Top 18

Kidde Smoke & Carbon Monoxide Detector, Hardwired, Interconnect Combination Smoke & CO Alarm with Battery Backup, Voice Alert, Pack of 2

Kidde
KN-COSM-IBA
2.64 x 1.8 x 5.6 Inches
0.75 Pounds

Ratings for Kidde (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Homegoods Shop 603
ELECTRIC VOLTAGE -

Features

Fire & CO Detector in 1 unit with alert modes, LED lights, & voice alarm, that states, "Fire! Fire!", "Warning! Carbon Monoxide!", or "Low Battery!"
Ionization sensing technology - hardwired smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire
Show More
Top 19

X-Sense 10-Year Battery Combination Smoke and Carbon Monoxide Alarm Detector with Large Silence Button, XP01

X-Sense
XP01
5.3 x 5.3 x 1.7 Inches
0.5 Pounds

Ratings for X-Sense (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Amazon Warehouse 1
X-SENSE USA 5,169
Top 20

Kidde KN-COSM-BA Battery-Operated Combination Carbon Monoxide and Smoke Alarm with Talking Alarm (3 Pack)

Kidde
KN COSM BA

Ratings for Kidde (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Homegoods Shop 603
Certified Wholesale Supply 6,467
floridaSupplies -
COOP UG&K LLC -
Top 21

Kidde Smoke & Carbon Monoxide Detector with Voice Alerts, Battery Powered, Combination Smoke & CO Alarm, 2 Pack

Kidde
KN-COSM-BA
2.64 x 1.8 x 5.6 Inches
0.82 Pounds

Ratings for Kidde (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

2 units in 1: unit alerts you to smoke & carbon monoxide by sounding a loud, 85-decibel alarm & sounding voice alerts
Ionization sensor technology senses invisible fire particles, while a electrochemical sensor detects CO gas
Show More
Top 22

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

X-Sense
SC03
5.7 x 5.7 x 2.0 Inches
0.68 Pounds

Ratings for X-Sense (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
X-SENSE USA 5,169

Features

10-Year Battery Life: This combination smoke alarm and carbon monoxide 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 it’s time to replace the unit for safety
Alarm Types for More Convenient: Different alarm patterns of this carbon monoxide alarm 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
Show More
Top 23

First Alert Battery Powered Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location, SCO500B-3

FIRST ALERT
1042870
10.75 x 7.125 x 9.0 Inches

Ratings for FIRST ALERT (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
General King -
Skyfox Sales -
Options Ventures LLC -
C Tech LLC (SN Recorded) -

Features

Battery-operated smoke and carbon monoxide alarm
Connects multiple alarms together for wireless safety network
Show More
Top 24

Kidde Smoke & Carbon Monoxide Detector, Hardwired Interconnect, Combination Smoke & CO Alarm with Battery Backup, Voice Alerts, Contractor 6 Pack

Kidde
KN-COPE-IC
2.64 x 1.85 x 5.79 Inches
0.7 Pounds

Ratings for Kidde (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Homegoods Shop 603
Bright stuff -

Features

Smoke detector carbon monoxide detector combo - sounds loud 85 decibel alarm with voice alerts that announce "Fire! Fire!" or "Warning! Carbon Monoxide!"
Hardwired with backup battery - combo smoke and carbon monoxide detector is hardwired into a 120V power source with 9V battery backup
Show More
Top 25

First Alert SA303CN3 Smoke and CO400 Carbon Monoxide Detector, Alarm Combo Pack

FIRST ALERT
1039879
7.0 x 2.5 x 8.5 Inches
0.9 Pounds

Ratings for FIRST ALERT (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Champion Values 9,890

Features

This First Alert combo pack will help keep you and your family safe; it includes one First Alert carbon monoxide alarm and one First Alert smoke alarm, and both are battery-operated for continuous monitoring, even during a power outage
Carbon monoxide detector features electrochemical sensing technology to detect leaks from multiple sources; smoke alarm uses an ultra-reliable ionization sensor to provide the earliest possible warning of a fast-flaming fire
Show More

Top 10 Smoke & Carbon Monoxide Alarms - Verified to Buy (Apr. 2024)

Top 4 Smoke & Carbon Monoxide Alarms Brands on Amazon

Here is the list of top-rated brands that were evaluated by CherryPicks.

  • Kidde
  • FIRST ALERT
  • X-Sense
  • Google

Top 10 Smoke & Carbon Monoxide Alarms Sellers: CPR Seller Rank List

CPR sellers rank is based on CherryPicks-AI bestselling ranking system that helps us analyze each seller's sales trends. The List of top seller ranks is our in-house data, essential for our product ranking to help you make the right shopping choice.

Rank Name Yearly Feedbacks Avg. Ratings
🥇 Amazon Warehouse 4,312,804 4.5
🥈 SportingDoc 13,665 4.9
🥉 MaxWarehouse 6,214 4.7
4 Homegoods Shop 4,378 4.9
5 AmericaMart 1,408 4.9
6 Union Sales 1,023 4.9
7 X-SENSE USA 1,011 4.9
8 Varsity Line Products 990 4.7
9 Certified Wholesale Supply 849 4.7
10 Champion Values 595 4.5
View or download top Smoke & Carbon Monoxide Alarms seller & rating report
Amazon Warehouse [4312804] SportingDoc [13665] MaxWarehouse [6214] Homegoods Shop [4378] AmericaMart [1408] Union Sales [1023] X-SENSE USA [1011] Varsity Line Products [990] Certified Wholesale Supply [849] Champion Values [595] Amazon Warehouse 99% SportingDoc 0% MaxWarehouse 0% Homegoods Shop 0% AmericaMart 0% Union Sales 0% X-SENSE USA 0% Varsity Line Products 0% Certified Wholesale Supply 0% Champion Values 0%

[Get] Smoke & Carbon Monoxide Alarms Deals (✅Exclusively for Prime)

What does "Amazon Fulfilled" Mean?

Amazon Fulfilled refers to products handled by Amazon's logistics, which indicates that the product is stored, packed, and shipped by Amazon from one of its fulfillment centers.

When you order a product that is "Amazon Fulfilled," Amazon takes care of the storage, packing, shipping, and customer service for that product. This often ensures quicker delivery and better customer service compared to products that are not fulfilled by Amazon. It also means that the product is eligible for Amazon's return policy.

What does "Prime" Mean?

"Prime" refers to Amazon Prime Member (Join Amazon Prime Now), which indicates eligibility for Prime benefits. When you see "Prime" next to a product on Amazon, This generally means that if you are  an Amazon Prime member, you can get free two-day shipping on that product, and sometimes even same-day or one-day shipping depending on your location.

Prime members also have access to other benefits, including 2-Day ShippingExclusive Member DealsPrime VideoBuy With PrimeAmazon MusicPrime Gaming, and more.

Shop Prime Smoke & Carbon Monoxide Alarms Deals

What does "Free Shipping" Mean?

"Free Shipping" means that you will not be charged additional fees for the shipping of that product. However, unlike "Prime," which usually guarantees fast two-day shipping, "Free Shipping" doesn't necessarily mean fast shipping.

Sometimes there might be a minimum purchase requirement to qualify for free shipping if you are not a Prime member. For Prime members, the "Free Shipping" usually refers to the free two-day shipping that is one of the benefits of the Prime membership.


Why Should You Trust Us?

Now hundreds and thousands of Safety & Security supplies are available on Amazon, Picking the right one is not easy, and that may take a lot of your time, Right? and What is the best Smoke & Carbon Monoxide Alarms to buy for new April 2024?

CherryPicks’s Methodology for Evaluating Smoke & Carbon Monoxide Alarms

We developed the CherryRatings-AI system to identify and score reviews and the CherryPicks-AI ranking system that uses TensorFlow framework to generate the best list, It will help us evaluate Safety & Security items that sell on Amazon. The score of items is based on over ten parameters such as analyzing customer review content, product reviewing rating statistics, brand reputation evaluation, comparing product price with features, etc, You can visit How We Rank to learn more in detail.

We collected and analyzed 220 of Smoke & Carbon Monoxide Alarms reviews based on our selection criteria. It helped us shortlist the top qualified and rated Smoke & Carbon Monoxide Alarms for Safety & Security, We found that most customers choose Smoke & Carbon Monoxide Alarms with an average price of $71.25, and the top brands are Kidde, FIRST ALERT, Google, VARWANEO, X-Sense, Elvicto And ARIKON. 

Then our expert-level editors reviewed all those quality items and selected the top 25 Smoke & Carbon Monoxide Alarms for you, We have researched hundreds of sellers and picked the top sellers for Safety & Security, including Amazon Warehouse, SportingDoc, MaxWarehouse, Homegoods Shop, AmericaMart, Union Sales, X-SENSE USA, Varsity Line Products, Certified Wholesale Supply, Champion Values, JD's Electrical Supplies And General King. The Kidde Smoke & Carbon Monoxide Detector with Voi... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 33,133 consumers with an average rating of 4.6.

We've helped a lot of satisfied users get the right Tools & Home Improvement product based on their needs, and save lots of time for them to pick Smoke & Carbon Monoxide Alarms to buy.


Written By Harrison McDougall

Harrison has got a lot of skills handling gardening tools in the past. He is currently a teacher seeking to share his knowledge in gardening and would be providing us expert reviews on the best home tools to use for gardening and lawns.