Looking for the best hardwired smoke detectors to keep your home safe? We’ve compiled a list of top 10 hardwired smoke detectors that offer reliable protection, smart features, and easy installation for your peace of mind.
Your home deserves unshakable protection. Hardwired smoke detectors offer reliable safety with battery backup, ensuring alarms never fail—even during outages.
These detectors cut false alerts, use smart sensors, and link together so every alarm sounds at once. With 85-decibel warnings and tamper-resistant designs, they keep your family safe day and night.
Quick Install. Smarter Safety. 10-Year Peace of Mind.
List of Top 10 Hardwired Smoke Detectors
| Image | Title | Best For | Price |
|---|---|---|---|
![]() |
First Alert BRK SMI100-AC Hardwired Smoke Detector with Battery Backup, 6-Pack |
This 6-pack of First Alert smoke detectors is perfect for homeowners and contractors looking for reliable, easy-to-install safety. It’s ideal for new constructions or renovations where multiple units are needed for comprehensive protection. |
|
![]() |
First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 6-Pack |
This 6-pack of First Alert smoke alarms is perfect for homeowners who want reliable fire protection. It’s easy to install and works together, so if one alarm sounds, they all sound. Battery backup keeps you safe during power outages. |
|
![]() |
First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 1-Pack |
This First Alert smoke alarm is perfect for homeowners and renters who want reliable, early warning for fire emergencies. Its advanced sensing technology and interconnect feature ensure everyone is alerted, even during power outages, for peace of mind. |
|
![]() |
First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 3-Pack |
This 3-pack of hardwired smoke alarms is perfect for homeowners who want reliable fire protection. With battery backup, easy installation, and advanced sensing technology, it’s ideal for families seeking peace of mind. |
|
![]() |
BRK First Alert 9120BFF/ SMI100-AC Smoke Detector, Hardwired Alarm with Battery Backup, White, 1-Pack |
This BRK First Alert Smoke Detector is perfect for homeowners and renters who want to prioritize family safety with reliable, continuous protection. It’s an easy-to-install solution for peace of mind, ensuring everyone is alerted to danger. |
|
![]() |
FIRST ALERT BRK SC9120B-3 Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup, White, Pack of 3 |
This product is perfect for families with children or homes needing reliable safety. Its battery backup ensures alarms work during power outages, and the loud 85-decibel siren gives clear warnings for smoke or carbon monoxide. |
|
![]() |
Kidde Smoke Detector, Hardwired with 10-Year Battery Backup, Interconnectable, LED Status Lights, 85 dB Alarm, 5-inches |
The Kidde Smoke Detector is perfect for homeowners and professionals needing reliable, code-compliant safety. Its 10-year battery, interconnectable design, and smart smoke detection cut false alarms and ensure quick alerts for peace of mind. |
|
![]() |
First Alert BRK SMI100-AC Hardwired Smoke Alarm with Battery Backup, Contractor 6-Pack |
This 6-pack of hardwired smoke alarms is perfect for contractors and homeowners looking for reliable, easy-to-install safety solutions. They offer constant protection with battery backup and interconnectivity, ensuring peace of mind for everyone in the home. |
|
![]() |
First Alert Smoke Alarm, Interconnect Hardwire Detector with 10-Year Battery Backup, SMI105-AC, 6-Pack |
This 6-pack of First Alert Smoke Alarms is perfect for homeowners looking to secure their entire house with reliable fire detection. If you’re building a new home or updating your current safety system, these interconnected alarms offer peace of mind for your family’s well-being. |
|
![]() |
First Alert SC-9120B Hardwired Smoke and Carbon Monoxide Alarm with Battery Backup 2 Pack |
This 2-pack of hardwired smoke and carbon monoxide alarms is perfect for homeowners who want reliable protection. It’s easy to install and connects to other alarms for full home coverage. |
Detailed Reviews
Finding the best hardwired smoke detectors means choosing trusted safety for your home. These top picks combine reliable hardwired power, battery backup, and loud 85dB alarms to keep you protected day and night. With easy installation, smart detection tech, and interconnectivity, they alert your whole family fast. Explore our expert-vetted list to pick the perfect fit—peace of mind starts here.
1. First Alert BRK SMI100-AC Hardwired Smoke Detector with Battery Backup, 6-Pack

Protect your home with this 6-pack of First Alert smoke detectors. They are hardwired for reliable power and include battery backup so you’re always safe, even during outages.
These alarms are easy to install. They have a single test button. And they sound a loud 85-decibel alarm.
Enjoy peace of mind with tamper-resistant features and a 10-year limited warranty. These alarms are designed for quick battery changes and can be connected with up to 18 other units.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This 6-pack of First Alert smoke detectors is perfect for homeowners and contractors looking for reliable, easy-to-install safety. It’s ideal for new constructions or renovations where multiple units are needed for comprehensive protection.
Ready to Purchase?
2. First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 6-Pack

The First Alert SMI100-AC is a hardwire smoke alarm with battery backup, offering reliable protection for your home. It features Precision Detection technology, reducing nuisance alarms while providing early warnings in case of fire.
This 6-pack includes easy installation with a Quick Connect Plug, interconnect capability, and an alarm indicator to pinpoint the source. Stay safe and protected with continuous coverage, even during power outages.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This 6-pack of First Alert smoke alarms is perfect for homeowners who want reliable fire protection. It’s easy to install and works together, so if one alarm sounds, they all sound. Battery backup keeps you safe during power outages.
Ready to Purchase?
3. First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 1-Pack

The First Alert SMI100-AC is a reliable smoke alarm designed to keep your home safe. It features advanced sensing technology that helps reduce false alarms from cooking.
This smoke alarm connects with other compatible alarms. When one sounds, all will alert you. It also has a battery backup for protection during power outages.
The alarm indicator shows which unit started the alarm. Installation is easy with the Quick Connect Plug. Enjoy peace of mind with continuous fire safety.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This First Alert smoke alarm is perfect for homeowners and renters who want reliable, early warning for fire emergencies. Its advanced sensing technology and interconnect feature ensure everyone is alerted, even during power outages, for peace of mind.
Ready to Purchase?
4. First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 3-Pack

First Alert SMI100-AC smoke alarms use Precision Detection to cut down on false alarms from cooking. They interconnect, so all alarms sound if one detects smoke.
Battery backup keeps them working during power outages. An alarm indicator shows which unit found the smoke. Quick Connect Plug makes setup fast without rewiring.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This 3-pack of hardwired smoke alarms is perfect for homeowners who want reliable fire protection. With battery backup, easy installation, and advanced sensing technology, it’s ideal for families seeking peace of mind.
Ready to Purchase?
5. BRK First Alert 9120BFF/ SMI100-AC Smoke Detector, Hardwired Alarm with Battery Backup, White, 1-Pack

Protect your home with the BRK First Alert Smoke Detector. This hardwired alarm offers constant monitoring, even during power outages, thanks to its battery backup.
It features an ionization sensor to detect fast flaming fires. An 85-decibel alarm will sound. Install one on each level and in every bedroom for complete safety.
Connect it to other compatible alarms so they all sound together. A single test/silence button makes it easy to use. Installation is a breeze with its smart design.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This BRK First Alert Smoke Detector is perfect for homeowners and renters who want to prioritize family safety with reliable, continuous protection. It’s an easy-to-install solution for peace of mind, ensuring everyone is alerted to danger.
Ready to Purchase?
6. FIRST ALERT BRK SC9120B-3 Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup, White, Pack of 3

Keep your family safe with this 3-pack of hardwired smoke and carbon monoxide alarms. The battery backup ensures they work even during power outages.
Each unit has an electrochemical carbon monoxide sensor and an ionization sensor for fast-burning fires. An 85-decibel siren and indicator lights warn of danger. They connect to other detectors, have a single test/silence button, and side-load batteries for easy use.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This product is perfect for families with children or homes needing reliable safety. Its battery backup ensures alarms work during power outages, and the loud 85-decibel siren gives clear warnings for smoke or carbon monoxide.
Ready to Purchase?
7. Kidde Smoke Detector, Hardwired with 10-Year Battery Backup, Interconnectable, LED Status Lights, 85 dB Alarm, 5-inches

Protect your home and loved ones with the Kidde Smoke Detector. This advanced detector spots smoke over 25% faster, sounding a loud 85-decibel alarm with a bright red LED light for clear warnings.
Never worry about battery changes again! It’s hardwired and comes with a 10-year battery backup, offering continuous protection and saving you money. Plus, its enhanced sensing technology helps reduce false alarms from cooking or steam.
This alarm is tested for safety. It connects with other Kidde alarms. Peace of mind is priceless.
| Pros | Cons |
|---|---|
|
|
Perfect For:
The Kidde Smoke Detector is perfect for homeowners and professionals needing reliable, code-compliant safety. Its 10-year battery, interconnectable design, and smart smoke detection cut false alarms and ensure quick alerts for peace of mind.
Ready to Purchase?
8. First Alert BRK SMI100-AC Hardwired Smoke Alarm with Battery Backup, Contractor 6-Pack

The First Alert BRK SMI100-AC Hardwired Smoke Alarm is a reliable safety device for your home. This 6-pack ensures that you have smoke alarms on every level and in each bedroom.
Equipped with an ionization sensor, it quickly detects smoke from fast-flaming fires. The alarm sounds at 85 decibels, alerting everyone in the house.
These alarms are easy to install and use. They have a battery backup for protection during power outages. Keep your family safe with First Alert.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This 6-pack of hardwired smoke alarms is perfect for contractors and homeowners looking for reliable, easy-to-install safety solutions. They offer constant protection with battery backup and interconnectivity, ensuring peace of mind for everyone in the home.
Ready to Purchase?
9. First Alert Smoke Alarm, Interconnect Hardwire Detector with 10-Year Battery Backup, SMI105-AC, 6-Pack

Protect your home with the First Alert Smoke Alarm. This 6-pack of hardwire detectors offers 10-year battery backup, ensuring continuous safety.
These alarms are easy to install. They provide reliable protection. You’ll have peace of mind.
Made in Mexico, these detectors are a smart choice for your family’s safety. Get dependable alerts. Keep your loved ones safe and sound.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This 6-pack of First Alert Smoke Alarms is perfect for homeowners looking to secure their entire house with reliable fire detection. If you’re building a new home or updating your current safety system, these interconnected alarms offer peace of mind for your family’s well-being.
Ready to Purchase?
10. First Alert SC-9120B Hardwired Smoke and Carbon Monoxide Alarm with Battery Backup 2 Pack

The First Alert SC-9120B is a hardwired smoke and carbon monoxide alarm with battery backup. It ensures constant monitoring for your safety.
This alarm connects to other compatible devices, making it easy to expand your system. It has clear lights to show if the alert is for smoke or carbon monoxide. The test/silence button is simple to use.
The side-load battery compartment adds convenience. This 2-pack offers reliable protection for your home. Stay safe with this easy-to-install and user-friendly alarm.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This 2-pack of hardwired smoke and carbon monoxide alarms is perfect for homeowners who want reliable protection. It’s easy to install and connects to other alarms for full home coverage.
Ready to Purchase?
Buying Guide
Protect your home with the best hardwired smoke detectors. These devices offer reliable safety and peace of mind. Choose the right one for your family’s needs.
Factors to Consider When Buying:
– Power Source: Hardwired detectors connect to your home’s electricity. A battery backup ensures they work during outages.
– Interconnectivity: Alarms that link together sound simultaneously, giving you faster warnings.
– Sensor Type: Ionization sensors detect fast-burning fires, while photoelectric sensors catch smoldering fires.
– False Alarm Reduction: Look for smart sensors that cut down on nuisance alerts from cooking or steam.
– Alarm Volume: An 85-decibel alarm ensures everyone hears it, even in large homes.
– Installation: Choose models with easy installation features like Quick Connect Plugs.
– Tamper Resistance: Tamper-proof designs prevent accidental or intentional disabling.
– Warranty: A 10-year warranty offers long-term reliability and savings.
– Indicator Lights: Clear lights show which unit triggered the alarm, making it easier to locate the issue.
– Pack Size: Buy multi-packs to cover every level and bedroom in your home.
Engaging Experience:
Imagine waking up to a loud, clear alarm that instantly alerts your entire family. With interconnected detectors, you’ll know the moment smoke is detected, anywhere in your home. Plus, battery backup means you’re always protected, even during power outages.