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The 8 Best dual sensor smoke alarm hardwired of 2025

Are you trying to find dual sensor smoke alarm hardwired among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling dual sensor smoke alarm hardwired on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 27 hours of research and did 71 dual sensor smoke alarm hardwired tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best dual sensor smoke alarm hardwired you can buy today

No. 1
First Alert BRK 3120B Hardwired Photoelectric and Ionization Smoke Alarm with Battery Backup, Dual Sensing Smoke Alarm, 1-Pack
  • The front cover design of the alarm may vary but product function remains the same.
  • The First Alert Hardwired Dual Sensor Photoelectric and Ionization Smoke Alarm with Battery Backup is designed to help provide peace of mind.
  • This dual sensor, photoelectric and ionization alarm alerts you to both smoldering and fast-flaming fires in the event of a home fire emergency.
  • Hardwire alarm includes battery backup for protection during power outages.
  • Two latching features help indicate a low battery or the originating alarm in a system.
  • A single test button makes alarm easy to test regularly.
No. 2
First Alert Interconnect Hardwire Dual Sensor Smoke Alarm with Battery Backup, SM300-AC, 6-Pack
  • First Alert's Precision Detection advanced sensing technology reduces cooking nuisance alarms and delivers early warning
  • Dual smoke sensor technology provides optimal protection for both smoldering and fast flaming fires
  • Interconnects with most First Alert and BRK alarms so when one sounds, all compatible alarms sound to provide an early warning
  • Latching Alarm Indicator visually identifies the unit that initiated the alarm or low battery warning
  • Battery backup provides continuous protection during power outages
SaleNo. 3
Kidde PI2010 Hardwired Dual Photoelectric and Ionization Sensor Smoke Alarm with Battery Backup
  • Dual sensor contains both a photoelectric and ionization sensor providing dual sensor protection in your home
  • Hush feature temporarily silences nuisance alarms
  • Interconnectable, 120V hardwire alarm with battery backup that provides protection even during a power outage
  • Red LED flashes every 30-40 seconds to indicate that the smoke alarm is operating properly
  • Test/Reset button tests units electronic circuitry and horn.Audio alarm:85dB at 10ft
No. 4
FIRST ALERT BRK 3120B-3 Hardwired Smoke Detector with Photoelectric and Ionization with Battery Backup, 3-Pack
  • Keep your family safe with this 3 pack of hardwired smoke alarms; The battery backup means constant monitoring, even if there's a power failure
  • Equipped with both a photoelectric and ionization sensor to quickly detect both fast burning, and smoldering fires, which alerts you with an 85 decibel alarm
  • Equipped with Optipath 360 technology that enhances detection with 360 degree access, and reliably detects smoke
  • To ensure complete protection make sure to place one on each level of your home and in each bedroom
  • Simple to use, with a single test/silence button and side load battery compartment; Included mounting bracket makes installation easy
  • Equipped with a dual photoelectric and ionization smoke sensor to quickly detect both fast burning and smoldering fires
  • Faster turnarounds on job sites with the easy to install, most trusted alarms in home safety
SaleNo. 5
FIRST ALERT Dual Sensor Smoke and Fire Alarm, SA3210 , White
  • The front cover design of the alarm may vary but product function remains the same
  • Complies with all current 10 year legislation in U.S. states cities where required
  • The 10 year lithium ion battery offers continuous power for the life of the alarm and provides continued monitoring even if there's a power failure
  • Loud 85 decibel siren sounds to alert you to danger, Hardwired alarm includes battery backup for power outages
  • To ensure complete protection make sure to place one on each level of your home and in each bedroom
  • Meets UL217 standards and complies with legislative requirements for 10 year battery operated smoke alarms
  • Equipped with a dual photoelectric and ionization smoke sensor to quickly detect both fast burning and smoldering fires
  • 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 warranty extends ten years from the date of purchase with proof of the original sales receipt and the product should be free from defect in material and workmanship
SaleNo. 6
Kidde Hardwired Smoke & Carbon Monoxide Detector, AA Battery Backup Smoke Alarm, Interconnectable, LED Warning Light Indicators, 2 Pack
  • 2-IN-1 DETECTION: Alerts you to both smoke & carbon monoxide (CO) using a single, cost-effective detector.
  • HARDWIRED & 2 AA BATTERY BACKUP (Included): Operates on 120V AC wiring (installed in the ceiling) with 2 AA alkaline batteries that provide battery backup coverage during power outages.
  • ENHANCED SENSING TECHNOLOGY: Reduces false smoke alarms often caused by cooking. Comprehensively tested to meet the latest UL standards, meets UL 217 9th Edition, UL 2034 4th Edition, & FCC standards.
  • INTERCONNECT CAPABILITY: When one alarm sounds, they all sound, so you can get out faster. (Different models offer different interconnection options and requirements. See User Guide for more info.)
  • SELF-TESTING ALARM: Internal components ensure alarm is always operating as expected. Not a substitute for a manual push test, perform a button test once per week to verify alarm operation.
  • 3 LED NOTIFICATIONS: LED lights indicate alarm status, green = normal operation, amber = operating error, red = smoke or carbon monoxide detected & a loud 85-decibel alarm will sound.
  • TEST & HUSH BUTTON: Makes it easy to test the 5-inch combination detector and silence false alarms, should they occur.
  • 10-YEAR LIMITED WARRANTY: Warranty begins when the alarm is powered on. If that date is unknown, it should be assumed that alarms should be replaced.
No. 7
Kidde Hardwired Smoke Detector, 10-Year Battery Backup, Interconnectable, LED Warning Light Indicators, 4 Pack
  • DETECTS SMOKE: Sounds a loud 85-decibel alarm when smoke is detected - 3 long beeps with red LED light flashing in time, repeating.
  • HARDWIRED & 10-YEAR BATTERY BACKUP: Operates on 120V AC wiring (installed in the ceiling). No battery changes for 10 years & saves up to $40 over the life of the detector.
  • ENHANCED SENSING TECHNOLOGY: Reduces false alarms often caused by cooking. Comprehensively tested to meet the latest UL standards, meets UL 217 9th Edition & FCC standards.
  • SELF-TESTING ALARM: Internal components ensure alarm is always operating as expected. Not a substitute for a manual push test, perform a button test once per week to verify alarm operation.
  • INTERCONNECT CAPABILITY: When one alarm sounds, they all sound, so you can get out faster. (Different models offer different interconnection options and requirements. See User Guide for more info.)
  • 3 LED NOTIFICATIONS: LED lights indicate alarm status, green = normal operation, amber = operating error, red = smoke detected.
  • TEST & HUSH BUTTON: Makes it easy to test the 5-inch smoke detector and silence false alarms, should they occur.
  • 10-YEAR WARRANTY: Begins when alarm is powered on. If that date is unknown, it should be assumed that alarms should be replaced. (10-yr limited warranty on alarm, not a battery performance claim.)
No. 8
X-Sense 2-in-1 Smoke and Carbon Monoxide Detector Alarm (Not Hardwired), 10-Year Battery-Operated Dual Sensor Fire & CO Alarm, SC06, 1-Pack
  • Please Note: SC06 is a basic standalone unit; it does not support wireless interconnection, does not have Wi-Fi, and cannot be used with a base station; for interconnection, search for SC06-W
  • 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
  • Faster Response to Dangers with Loud 85 dB Alarm: Upgraded photoelectric and electrochemical sensors significantly increase the sensitivity of the alarm for a faster response time while minimizing false alarms
  • Simple Installation & Operation: This battery-operated unit can be installed quickly and effortlessly without an electrician; one-button operation allows you to test and silence the alarm with ease
  • Premium Quality: Made from a premium PC material, ensuring exceptional quality and protection
SaleNo. 9
Siterlink Hardwired Interconnected Smoke Detectors,Photoelectric Smoke Alarm with 9V Battery Backup,Test/Silence Button, Hard Wired Fire Alarm for Home GS562A 6pack
  • Hardwired Alarm with 9V Battery Backup: Enjoy uninterrupted protection with our hardwired smoke alarm that operates on 120V AC wiring. Even during severe weather or power outages, the 9V battery backup ensures continuous operation, providing worry-free protection for you and your family.
  • Accurate detection of photoelectric sensors: The highly precise technology of smoke detectors and photoelectric sensor smoke alarms help to quickly monitor smoke and fires, and provide fire warnings as soon as possible; A loud alarm signal (loudness>85dB) can evacuate the scene in a timely manner.
  • Wired Interconnection Alarm: The SITERLINK smoke detector has a hard wired interconnection function and can connect up to 12 devices. One of the alarms detects smoke, while the other alarms will sound the same sound signal but without the red LED flashing, ensuring reliable safety in different rooms of your large house
  • Test the mute button and LED light: By pressing the test button, the fire alarm with the test button will be tested weekly; If there is no fire hazard when an alarm signal is issued, you can press the test button for 2 seconds to silence it and remove any smoke, dust, or insects; Green LED light indicates operation, red LED light indicates alarm or warning
  • Built-in Indicator LED Light: SiterlinkGS562A model will be the traditional external indicator built-in, hidden LED indicator, the light is soft and visible, but will not disturb you and your family's sleep, suitable for installation in the children's room.
No. 10
First Alert BRK 3120B Hardwired Smoke Detector with Photoelectric and Ionization with Battery Backup
  • Dual Photoelectric and Ionization sensing technologies for optimal sensing of smoke particles produced in both flaming and smoldering fires.
  • Two Latching Features
  • Two Silence Features
  • Optipath 360 Technology
  • 2 AA Batteries Included; 10 Year Limited Warranty
  • Equipped with a dual photoelectric and ionization smoke sensor to quickly detect both fast-burning and smoldering fires
  • Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety
SaleNo. 11
First Alert SM310, 10-Year Sealed Battery Dual Sensor Smoke Alarm, 1-Pack
  • First Alert's Precision Detection advanced sensing technology complies with new industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency
  • 10-Year sealed battery eliminates battery replacements and low battery chirps for the life of the alarm
  • Dual sensors provide protection from fast flaming and slow smoldering fires
  • Test/silence button for efficient testing to ensure alarm is working properly
  • End-of-life warning lets you know when it’s time to replace the alarm
No. 12
Kidde Battery Dual Photoelectric and Ionization Sensor Smoke Detector Alarm | Model Pi9010
  • Hush Feature Temporarily Silences Nuisance Alarms
  • The Kidde PI9010 is a 9V battery powered smoke alarm.
  • Kidde's Smoke Alarms Meet The Requirements Of Underwriters Laboratories (Ul), An Independent Facility That Tests Products For Compliance With Widely-Accepted Safety Standards
  • Model Number: Pi9010
No. 13
Kidde 21026063 AC Hardwired Smoke Detector Alarm with 9V Back up and Front Load Battery Door, White
  • Ionization sensor technology senses invisible fire particles, associated with fast flaming fires
  • Smoke alarm operates on a 120V wired power source with a 9-Volt alkaline battery backup (included)
  • Front-loading battery door allows for easy change of the battery without removing the alarm from the mounting bracket
  • 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 warranty which begins when the alarm is powered on, if that date is unknown it should be assumed the alarm should be replaced.
No. 14
X-Sense Smoke Detector Carbon Monoxide Detector Combo Hardwired with Voice Location, Hardwired Interconnected Smoke and Carbon Monoxide Detector, Model XP02-AR, 1-Pack
1,033 Consomer Reviews
X-Sense Smoke Detector Carbon Monoxide Detector Combo Hardwired with Voice Location, Hardwired Interconnected Smoke and Carbon Monoxide Detector, Model XP02-AR, 1-Pack
  • Hardwired Alarm with CR123A Battery Backup: Equipped with photoelectric and electrochemical sensors that detect both smoke and carbon monoxide, providing enhanced protection against dual threats for your family
  • Voice Alarm with Location: When there's danger, the alarm announces, "Warning! Smoke detected in Living Room. Evacuate." or "Warning! Carbon monoxide detected in Basement. Move to fresh air." Clearly tells the type and location of the danger, allowing for quick action
  • Voice Reminder Function: This smoke and carbon monoxide alarm provides voice alerts for threats, missed alarms, low battery, or malfunctions, ensuring that you never miss important notifications
  • 10-Year Product Life: Made from a heat and corrosion-resistant PC material, with a sensor life of 10 years, this hardwired combination alarm offers a decade-long lifespan
  • Hear the Alarm No Matter Where You Are: Interconnects with all X-Sense hardwired alarms, including models XP04, XP06, and other XP02-AR devices, creating an interconnected home safety network; if one alarm sounds, they all activate
No. 15
Kidde 21007588 Hardwired Interconnectable 120-Volt Smoke Alarm with Battery Backup, 4-Pack
  • Detects smoke and heat for reliable protection against fire
  • Hush alarm control button silences false alarms
  • Test button allows you to check functionality without sounding the full alarm
SaleNo. 16
First Alert SMI105-AC, Interconnect Hardwire Smoke Alarm with 10-Year Battery Backup, 1-Pack
  • First Alerts Precision Detection advanced sensing technology complies with new industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency.
  • 10-Year battery backup provides continuous protection during power outages
  • Through early warning interconnect, when one alarm sounds, all compatible
  • Alarm indicator visually identifies the unit that initiated the alarm
  • End-of-life warning lets you know when it’s time to replace the alarm
SaleNo. 17
BRK First Alert 9120BFF/ SMI100-AC 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 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
SaleNo. 18
Kidde Hardwired Smoke Detector, AA Battery Backup, Interconnectable, LED Warning Light Indicators
  • DETECTS SMOKE: Sounds a loud 85-decibel alarm when smoke is detected - 3 long beeps with red LED light flashing in time, repeating.
  • HARDWIRED & 2 AA BATTERY BACKUP (Included): Operates on 120V AC wiring (installed in the ceiling) with 2 AA alkaline batteries that provide battery backup coverage during power outages.
  • ENHANCED SENSING TECHNOLOGY: Reduces false alarms often caused by cooking. Comprehensively tested to meet the latest UL standards, meets UL 217 9th Edition & FCC standards.
  • SELF-TESTING ALARM: Internal components ensure alarm is always operating as expected. Not a substitute for a manual push test, perform a button test once per week to verify alarm operation.
  • INTERCONNECT CAPABILITY: When one alarm sounds, they all sound, so you can get out faster. (Different models offer different interconnection options and requirements. See User Guide for more info.)
  • 3 LED NOTIFICATIONS: LED lights indicate alarm status, green = normal operation, amber = operating error, red = smoke detected.
  • TEST & HUSH BUTTON: Makes it easy to test the 5-inch smoke detector and silence false alarms, should they occur.
  • 10-YEAR LIMITED WARRANTY: Warranty begins when the alarm is powered on. If that date is unknown, it should be assumed that alarms should be replaced.
SaleNo. 19
Kidde Hardwired Smoke & Carbon Monoxide Detector, 10-Year Battery Backup, Interconnectable LED Warning Light Indicators
  • 2-IN-1 DETECTION: Alerts you to both smoke & carbon monoxide (CO) using a single, cost-effective device.
  • HARDWIRED & 10-YEAR BATTERY BACKUP: Operates on 120V AC wiring (installed in the ceiling). No battery changes for 10 years & saves up to $40 over the life of the detector.
  • ENHANCED SENSING TECHNOLOGY: Reduces false smoke alarms often caused by cooking. Comprehensively tested to meet the latest UL standards, meets UL 217 9th Edition, UL 2034 4th Edition, & FCC standards.
  • INTERCONNECT CAPABILITY: When one alarm sounds, they all sound, so you can get out faster. (Different models offer different interconnection options and requirements. See User Guide for more info.)
  • SELF-TESTING ALARM: Internal components ensure alarm is always operating as expected. Not a substitute for a manual push test, perform a button test once per week to verify alarm operation.
  • 3 LED NOTIFICATIONS: LED lights indicate alarm status, green = normal operation, amber = operating error, red = smoke or carbon monoxide detected & a loud 85-decibel alarm will sound.
  • TEST & HUSH BUTTON: Makes it easy to test the 5-inch combination detector and silence false alarms, should they occur.
  • 10-YEAR WARRANTY: Begins when alarm is powered on. If that date is unknown, it should be assumed that alarms should be replaced. (10-yr limited warranty on alarm, not a battery performance claim.)
SaleNo. 20
Kidde Smoke & Carbon Monoxide Detector, AA Battery Powered, LED Warning Light Indicators, 1 Pack
  • 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
  • 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 carbon monoxide event
  • Battery operated to provide reliable detection, even during power outages; two AA batteries included
  • UL Listed with a 10-year limited warranty which begins when the alarm is powered on, if that date is unknown it should be assumed the alarm should be replaced.

How to choose a good dual sensor smoke alarm hardwired

Does the idea of finding a fantastic dual sensor smoke alarm hardwired make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in dual sensor smoke alarm hardwired. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top dual sensor smoke alarm hardwired products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top dual sensor smoke alarm hardwired on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top dual sensor smoke alarm hardwired brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top dual sensor smoke alarm hardwired based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the dual sensor smoke alarm hardwired were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good dual sensor smoke alarm hardwired, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your dual sensor smoke alarm hardwired.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting dual sensor smoke alarm hardwired for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our dual sensor smoke alarm hardwired. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what dual sensor smoke alarm hardwired should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on dual sensor smoke alarm hardwired.