You should generally replace your smoke detectors every 10 years. While it's important to test your smoke detectors monthly to ensure they are working correctly, the sensors inside the detectors can wear out over time, which is why replacement every 10 years is recommended. It's also important to replace the batteries at least once a year, or more frequently if you hear a chirping sound indicating low battery power. Checking with the manufacturer’s guidelines for your specific smoke detector model can provide more detailed information on maintenance and replacement.
Best Smoke Detectors of February 2025
1
Rating is 5 out of 5
Ecoey Smoke Alarm Fire Detector, Battery Included Photoelectric Smoke Detector with Test Button and Low Battery Signal, Small Fire Alarm for Home, Bedroom FJ136GB, 6 Packs
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Accurate & Sensitive: The small smoke alarm adopts photoelectric technology to detect smoke. More sensitive to light smoke and slow smoldering fires and more quickly to remind you. Keep your home safe 24/7
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TEST BUTTON: Please test the fire detector once a month. If red LED flashes with “chirp” every 30 seconds, it's low battery signal, please change battery in 7 days. Small size, DIA 3.3 inch. If you have any problem with smoke alarm, please contact us
2
Rating is 4.9 out of 5
First Alert 9120B Smoke Detector, Hardwired Alarm with Battery Backup, 6-Pack
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Note: A loose neutral (white wire) connection within the home junction box could prompt a device malfunction
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Equipped with an ionization sensor, this smoke alarm reliably detects smoke from fast flaming fires and alerts you with an 85 decibel alarm
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To ensure complete protection make sure to place one on each level of your home and in each bedroom
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Can connect to other compatible BRK or First Alert smoke detectors, to ensure all alarms will sound when smoke is detected
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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
3
Rating is 4.8 out of 5
First Alert BRK 9120Bff-6 Hardwired Smoke Detector with Battery Backup, 6-Pack
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6 pack of hardwired smoke alarms, includes battery backup for power outages
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Tamper resistant locking pins, single button silence/test and loud 85Db alarm
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120-Volt AC power with 9-volt battery backup (included) to keep alarm functioning during power outage
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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)
4
Rating is 4.7 out of 5
Smoke Detector and Carbon Monoxide Detector Co2 Detector Battery Powered with Test/Reset Button 4 Pack
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2-IN-1 ACCURATE, RELIABLE & HIGHLY SENSITIVE ALARM: Combination smoke detector and carbon monoxide detector can sensitively detect the threat of these two gases.
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SOUND AND LIGHT ALARM: When a dangerous level of carbon monoxide is detected, the red light will flashes and a loud alarm pattern will sound---Loud 85 decibel carbon monoxide alarm with red light flash to protect your family's life and property safety from CO detector.
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APPLICATION CO DETECTOR PLACE: This carbon monoxide detector suitable for all place 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.
5
Rating is 4.6 out of 5
X-Sense 10-Year Battery Combination Smoke Carbon Monoxide Alarm Detector with Large LCD Display (Standalone Model)
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Please Note: SC07 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 SC07-W. For Wi-Fi functionality, look for SC07-WX or SC07-MR
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2-in-1 Protection: The combination smoke and CO detector detects both smoke and carbon monoxide faster and more accurately using a photoelectric smoke sensor and an electrochemical CO sensor
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10-Year Battery: The fire and CO alarm is built with a sealed lithium battery that provides 10 years of continuous power, saving you from changing batteries and power outage
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Combination Alarm with CO Readings: When the alarm is triggered, the LCD will display the CO concentration and illuminate. In standby mode, the LCD turns off to ensure you are not disturbed
6
Rating is 4.5 out of 5
LSHOME 3 Pack Smoke Detector Fire Alarms 9V Battery Operated Photoelectric Sensor Easy to Install with Light Sound Warning, Test Button,9V Included Safety for Home Hotel(912-3) (GS528A)
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Accurate & Sensitive: The small size smoke alarm adopts photoelectric technology to detect smoke, which is more sensitive to light smoke and slow smoldering fires and more quickly to remind you. Keep your home safe 24/7
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Photoelectric Technology&Material: Fire-Retardant ABS V0 Level. 9V Battery-Powered Photoelectric sensor Smoke Alarm. photoelectric technology which is optimized to detect slow smoldering fires which generate light smoke, little heat and may smolder from all directions for hours before bursting into flames.
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Test Button: Test smoke alarm every week by pressing the test button in the middle of the cover for 5 seconds. Please change batteries when smoke detector inform low battery, smoke alarm “chirp” every 32 seconds and the red LED flashes at the same time
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Sound & LED Warning: If fire alarm detects smoke or combustion particles in the air, it will sound in 85db and red LED will flash rapidly to remind every member to check. If fault, please clean dust or smoke inside smoke alarm with fan
7
Rating is 4.4 out of 5
X-Sense Smoke Alarm, 10-Year Battery Fire Alarm Smoke Detector with LED Indicator & Silence Button, SD2J0AX
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Please Note: SD2J0AX 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 SD19-W
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Sensitive & Accurate: Built with an advanced photoelectric sensor and intelligent ST chipset, the alarm can quickly and accurately detect dangerous smoke levels from smoldering fires, and provide the earliest possible warning of fires; the dust-proof isolating plate inside the alarm ensures the detection sensitivity
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Smart Auto-Check: This 10-year battery smoke detector has manifold self-inspection parameters with clear notifications; if it malfunctions, or if the battery is low, you will be notified immediately so that you can identify and resolve the problem quickly for comprehensive protection
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Easy Installation: The smoke alarm takes advantage of simple, stable, and wireless installation with the provided screws, or quick and easy installation via Ø 2.8 in magnetic adhesive pads (not included)
8
Rating is 4.3 out of 5
LSHOME 4 Pack Smoke Detector Fire Alarms 9V Battery Operated Photoelectric Sensor Smoke Alarms Easy to Install with Light Sound Warning, Test Button,9V Battery Included Fire Safety For home (GS526A-4)
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Test Button: Test smoke alarm every week by pressing the test button in the middle of the cover for 5 seconds. Please change batteries when smoke detector inform low battery, smoke alarm “chirp” every 32 seconds and the red LED flashes at the same time
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Easy Installation: Can be installed in several minutes. Coming with screws and bracket. Safety clip feature,not allow mounting of smoke alarm without battery installed
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Photoelectric Technology: Our photoelectric smoke alarm with Photoelectric technology which is optimized to detect slow smoldering fires which generate light smoke, little heat and may smolder for hours before bursting into flames.
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Suitable for Multiple Places: This smoke detector does not contain any radioactive material. It should be installed in every room (except the bathroom and kitchen), making sure the people in your home will be able to hear and respond to the alarm sound.
9
Rating is 4.2 out of 5
First Alert SMI100, Battery-Operated Smoke Alarm, 2-Pack
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Battery-operated alarm allows for easy installation and maintenance
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Front access battery compartment makes for easy battery replacements
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End-of-life warning lets you know when it’s time to replace the alarm
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Test/silence button for efficient testing to ensure alarm is working properly
What is a smart smoke detector?
A smart smoke detector is an advanced version of the traditional smoke detector, equipped with features that enhance safety, convenience, and connectivity. These devices are designed to detect smoke, fire, and sometimes carbon monoxide and alert users not just through alarms but also via digital notifications. Here are some key features often found in smart smoke detectors:
- Wi-Fi Connectivity: Allows the detector to connect to the internet and send alerts to your smartphone or other connected devices, informing you of an emergency even when you're not at home.
- Smartphone Integration: Through dedicated apps, users can receive notifications, check the status of the detector, and sometimes silence false alarms remotely.
- Interconnectivity: Many smart smoke detectors can link with other smart home devices, such as smart lights or home security systems, to provide comprehensive safety solutions.
- Voice Alerts: Some models issue voice alerts to indicate the type and location of the danger, which can be more informative than traditional alarms.
- Automatic Testing and Updates: These devices often perform periodic self-checks to ensure they’re functioning properly and can update their firmware automatically.
- Dual-Sensor Technology: Many smart detectors use a combination of photoelectric and ionization sensors to accurately detect different types of fires.
- Battery Alerts: The device can alert you when the battery is low or needs replacing, which helps ensure the detector is always operational.
- Integration with Smart Home Systems: Some detectors can be integrated with broader smart home systems like Amazon Alexa, Google Assistant, or Apple HomeKit, allowing for voice control and routine automation.
Overall, the smart smoke detector represents a significant upgrade in home safety technology, providing users with peace of mind through enhanced detection capabilities and remote alerts.
How do I clean my smoke detector?
Cleaning your smoke detector is an important maintenance task to ensure it functions properly. Here’s a step-by-step guide on how you can clean your smoke detector:
- Gather Supplies:
A vacuum cleaner with a soft brush attachment or a can of compressed air.
A clean, soft cloth.
A ladder or step stool if necessary for reach.
- Safety First:
Turn off the power to the smoke detector from the circuit breaker if it's hardwired. For battery-operated units, remove the detector from its mount or disconnect the battery.
- Remove the Smoke Detector:
If applicable, twist or unclip the smoke detector from its ceiling or wall mount. Some models might require a gentle pull.
- Vacuum or Blow Dust:
Use the soft brush attachment on your vacuum cleaner or the can of compressed air to remove dust and debris from the vents and outer casing of the smoke detector.
Be gentle to avoid damaging any sensitive components.
- Wipe the Exterior:
Dampen a soft cloth with water or a mild detergent solution and gently wipe the exterior of the smoke detector.
Avoid getting water or cleaner inside the unit.
- Inspect and Clean the Interior (if applicable):
For some models, you may be able to open the unit to clean inside. Follow the manufacturer's instructions.
Gently clean the interior using the same vacuum or compressed air method without touching or damaging the sensor.
- Check or Replace Batteries:
If you have a battery-operated smoke detector, now is a good time to check the battery and replace it if necessary.
Use only the type of battery specified by the manufacturer.
- Reattach and Test:
Reattach the smoke detector to its mount and reconnect it to the power source.
Test the smoke detector by pressing the test button to ensure it's functioning correctly.
- Regular Maintenance:
Mark your calendar to clean your smoke detector at least every six months, as well as replace the battery twice a year even if it isn’t dead.
Remember, if the smoke detector is more than 10 years old, it is generally recommended to replace it entirely as sensors can degrade over time.
How do I disable a smoke detector temporarily?
It's crucial to prioritize safety when dealing with smoke detectors, as they are essential for alerting you to potential fires. If you need to temporarily disable a smoke detector, follow these guidelines:
- Identify the Reason: Ensure that you have a valid reason to temporarily disable the smoke detector, such as a false alarm due to cooking or steam.
- Consult the Manual: Different models and brands have varied mechanisms. Refer to the user manual for specific instructions related to your smoke detector model.
- Use the Hush or Silence Button: Many smoke detectors have a "hush" or "silence" feature that temporarily disables the alarm. Locate and press this button, often found on the front of the unit. This typically silences the alarm for about 8-15 minutes.
- Remove the Battery: If your smoke detector doesn’t have a silence button, you may consider removing the battery. This action will fully disable the detector, so remember to reinstall the battery promptly after the smoke clears or the cause of the false alarm is resolved.
- Interconnected Systems: If you have an interconnected system, silencing one detector may silence others. Check the manual for specific instructions on handling these systems.
- Smart Detectors: For smart smoke detectors, you may have the option to silence it via a smartphone app.
- Re-enable the Detector: Ensure the detector is re-enabled and functioning properly after the temporary issue is resolved. This is critical for maintaining safety.
Important Safety Note: Regularly check and test your smoke detectors to ensure they are in working order. Never leave a smoke detector disabled for longer than necessary, and be aware of local laws and safety codes regarding disabling smoke detectors.
If you're uncertain about how to handle your specific smoke detector, it might be best to consult a professional.
