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Hard Wired Smoke Detectors Comparison - August 2025

1
Best Choice
9.8Exceptional
2
9.7Exceptional
3
9.6Exceptional
4
Best Value
9.3Excellent
5
9.0Excellent
6
8.9Very Good
7
8.7Very Good
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Model

Kidde Hardwired Smoke Detector, AA Battery Backup, Interconnectable, LED Warning Light Indicators, 4 Pack
Model
Siterlink Hardwired Interconnected Smoke Detectors,Photoelectric Smoke Alarm with 9V Battery Backup,Test/Silence Button, Hard Wired Fire Alarm for Home GS562A 6pack
Model
First Alert BRK 9120Bff-6 Hardwired Smoke Detector with Battery Backup, 6-Pack
Model
First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 1-Pack
Model
Kidde Hardwired Smoke Detector, 10-Year Battery Backup, Interconnectable, LED Warning Light Indicators, 4 Pack
Model
SITERLINK Smoke Detector Hardwired, Smoke Alarm Interconnected with Battery Backup, Photoelectric Fire Alarms Smoke Detectors with LED Lights, UL217 Listed Fire Alarm for House, GS517, 6 Packs
Model
Smoke Detector, Hardwired Interconnected Smoke Detectors, Smoke Alarm with Replaceable 9V Battery, Interconnects Up to 12 Fire Alarms Smoke Detectors, Fire Alarm with Test/Silence Button 4 Packs

Brand

Kidde
Brand
siterlink
Brand
First Alert
Brand
First Alert
Brand
Kidde
Brand
siterlink
Brand
Putogesafe

Reviews

11,386 reviews
Reviews
1,112 reviews
Reviews
1,004 reviews
Reviews
32,646 reviews
Reviews
182 reviews
Reviews
318 reviews
Reviews
878 reviews

Tech Specs

item weight

12.8 ounces
item weight
3.74 pounds
item weight
9.6 ounces
item weight
9.6 ounces
item weight
12.8 ounces
item weight
6.4 ounces
item weight
1 pounds

power source

Hardwired
power source
Battery Powered
power source
Battery Powered
power source
Battery Powered
power source
Hardwired
power source
Battery Powered
power source
Battery Powered

customer reviews

4.6 4.6 out of 5 stars 5, 693 ratings 4.6 out of 5 stars
customer reviews
4.5 4.5 out of 5 stars 556 ratings 4.5 out of 5 stars
customer reviews
4.6 4.6 out of 5 stars 502 ratings 4.6 out of 5 stars
customer reviews
4.7 4.7 out of 5 stars 16, 323 ratings 4.7 out of 5 stars
customer reviews
4.5 4.5 out of 5 stars 91 ratings 4.5 out of 5 stars
customer reviews
4.5 4.5 out of 5 stars 159 ratings 4.5 out of 5 stars
customer reviews
4.4 4.4 out of 5 stars 439 ratings 4.4 out of 5 stars

sensor type

Photoelectric
sensor type
Photoelectric
sensor type
Ionization
sensor type
Ionization
sensor type
Photoelectric
sensor type
Photoelectric
sensor type
Photoelectric

alarm

Smoke Alarm
alarm
Audible
alarm
Audible
alarm
Smoke Alarm
alarm
Smoke Alarm
alarm
-
alarm
Audible

style

-
style
Hardwired Interconnected Model NEW
style
Hardwired
style
Smoke
style
Modern
style
Hardwired Interconnected Model
style
Hardwired Interconnected Model

batteries required

-
batteries required
No
batteries required
Yes
batteries required
Yes
batteries required
Yes
batteries required
No
batteries required
Yes

color

White
color
-
color
White
color
White
color
White
color
-
color
withe

size

-
size
6Pack
size
-
size
One
size
4 Pack
size
6-Pack
size
4 pack

battery cell type

-
battery cell type
-
battery cell type
Alkaline
battery cell type
Alkaline
battery cell type
Lithium Metal
battery cell type
Zinc Carbon
battery cell type
Zinc Carbon

product dimensions

-
product dimensions
-
product dimensions
2.2D x 5.6W x 5.6H
product dimensions
5.6D x 5.6W x 1H
product dimensions
1.88D x 5W x 5H
product dimensions
-
product dimensions
1.6D x 5W x 5H

batteries included

-
batteries included
-
batteries included
Yes
batteries included
Yes
batteries included
Yes
batteries included
-
batteries included
Yes

included components

-
included components
-
included components
Mounting brackets with hardware 6 , 9-volt battery 6 , First Alert BRK 9120B Hardwired Smoke Alarms with Battery Backup 6
included components
Easy Adapter Plug, 9V Alkaline Battery
included components
User Guide, Four Alarms, Mounting Hardware
included components
-
included components
-

item package quantity

-
item package quantity
-
item package quantity
1
item package quantity
1
item package quantity
1
item package quantity
-
item package quantity
-

Available On

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Our Top 3 Picks

Here are the top 3 recommended products with more information to help you find the right product for you
  • 9.8
    1
    Kidde
    14% Off

    Kidde Hardwired Smoke Detector, AA Battery Backup, Interconnectable, LED Warning Light Indicators, 4 Pack

    Main highlights
    • TEST & HUSH BUTTON: Makes it easy to test the 5-inch smoke detector and silence false alarms, should they occur.
    • 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.)
    • 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.
    • DETECTS SMOKE: Sounds a loud 85-decibel alarm when smoke is detected - 3 long beeps with red LED light flashing in time, repeating.
    • 3 LED NOTIFICATIONS: LED lights indicate alarm status, green = normal operation, amber = operating error, red = smoke detected.
    • 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.
  • 9.7
    2
    siterlink
    20% Off

    Siterlink Hardwired Interconnected Smoke Detectors,Photoelectric Smoke Alarm with 9V Battery Backup,Test/Silence Button, Hard Wired Fire Alarm for Home GS562A 6pack

    Main highlights
    • 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
    • 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.
    • 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.
    • 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.
  • 9.6
    3
    First Alert

    First Alert BRK 9120Bff-6 Hardwired Smoke Detector with Battery Backup, 6-Pack

    Main highlights
    • Tamper resistant locking pins, single button silence/test and loud 85Db alarm
    • Open mounting design for easy installation with side load battery compartment for quick replacement and interconnect able up to 18 units (12 smoke, 6 co/heat/relay)
    • Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety
    • 6 pack of hardwired smoke alarms, includes battery backup for power outages
    • 120-Volt AC power with 9-volt battery backup (included) to keep alarm functioning during power outage
    • 10-Year limited

Our ranking system

At BestChoice.com, our team curates a selection of top products from a vast array available online, using a sophisticated ranking system based on carefully defined criteria.While traditional hands-on testing has its merits, our use of AI technology offers distinct advantages. AI allows us to process and analyze vast amounts of data from multiple sources, providing a comprehensive view that goes beyond what manual testing can achieve. This approach enables us to deliver insights that are aligned with current trends and consumer preferences, ensuring our reviews are both relevant and up-to-date.

Features

Our AI-driven analysis examines key attributes, capabilities, and other critical factors tailored to each product category. This method allows us to assess effectiveness from various perspectives, ensuring a well-rounded evaluation.
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Consumer Reviews

We aggregate and evaluate consumer feedback from across the internet, giving weight to ratings and reviews that reflect the most reliable insights. AI enhances this process by filtering and prioritizing data, offering a balanced view without the need for direct personal endorsements.
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Popularity

Our system also considers the popularity of products, analyzing factors such as market presence, reputation, and user satisfaction. By leveraging AI, we capture a comprehensive picture of a product's standing in the market, which may not always be evident through traditional testing.
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Value for money

AI allows us to compare products based on attributes like price, specifications, and user feedback, helping to determine their value for money. This data-driven approach offers an efficient and reliable way to assess how products stack up against one another in terms of cost-effectiveness.
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