The 12 Best First Alert Combination Alarms (2023 reviews)

The alarm is a must have addition for your daily purpose. The device is a smoke alarm and carbon monoxide detector. It features an electrochemical carbon monoxide sensing technology as well as a photoelectric sensor that detects the larger particles of a smoldering fire. It provides optimal protection from smoldering fires and reduces false alarms like those caused by cooking smoke and shower steam. It has a photoelectric sensor to prevent some false alarms from cooking or shower steam.

This detector has an actual voice alerting system which can be programmed to say child bedroom, family room, master bedroom and that is really ideal if something goes wrong. The volume of the alarm is sufficiently loud to wake you from sleep. It is easy to install and are loud, so you'll definitely hear them if there is an emergency. There is no bluetooth, no wifi, no eithernet or usb.

Why We Like This:

Dual smoke & co sensing, ultimate protection from two deadly dangers
Definitely loud enough to hear throughout the house, which is good
Two-in-one alarm system protects your family
Combines an audible verbal warning with loud alarm and flashing led

Best For real thing: First Alert existing Smoke Alarm

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If you want nothing but the best desirable alarm, then this product is the one you should definitely consider, as it manages to bring a lot to the table. This is a great smoke/carbon monoxide alarm. It features an electrochemical carbon monoxide sensing technology as well as an ionization sensor for smoke detection. They are in every room, hall, and closet of 3,200 square feet. It works well as a wired replacement. If you already have a similar first alert fire detector this will fit in the existing wiring which is nice enough to replace. It actually meets all standard specs. They are very easy to install when the existing wiring is already there. It's great fun to change in the middle of the night.

Why We Like This:

Great combo with sealed battery compartment-perfect for replacement of 10 year old detector
Easy to install, test and reset
One of the new comers and featured product

Best With existing slot: First Alert Smoke Detector

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The first alert smoke detector is capable of outshining several other products featured in this list in overall features for the price point. These are a breeze to install as replacement units for older alarms. It comes with a base that screws to a standard 4" utility box. It has a little green led light which burns steadily and a red led light that flashes once per minute. The screw holes on the new unit align perfectly with the old unit. It is 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.

The ground is taken care of with the house wiring.

Why We Like This:

Sleek design,looks great and super easy to install
Comes with the 9v backup battery installed
Meets new code for dual power
Good economical and quick direct-replacement of original units in the house

Best With older Model: First Alert Smoke Alarm

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The first alert smoke alarm's high-end materials makes sure that it ages well with use. It is equipped with an ionization sensor, this smoke alarm reliably detects smoke from fast flaming fires and alerts you with an 85 decibel alarm. It has an easy-to-access battery drawer that allows you to replace the battery without dismounting the alarm. It has a little green led light which burns steadily and a red led light that flashes once per minute. The bracket could have wider openings to accept screws, with better lead-in to the slotted area.

The hardwired adapters are the exact same as the ones installed in. It has a 9 volt battery that keeps the detector working should it lose electrical power. It can connect to other compatible brk or first alert smoke detectors, to ensure all alarms will sound when smoke is detected. This is a quick and easy upgrade.

Why We Like This:

Easy replacement with old model detector
Hassle free replacement with no batteries to fuss with
Work good and easy to change battery

Best With Your system: First Alert ring Alarm

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The first alert ring alarm is suitable and reliable and fits well with your regular usage. The smoke and carbon monoxide monitoring with the option for professional monitoring if you have a ring alarm is awesome. It allows a faster and more intuitive connection of device to hub and on-boarding via qr code scan located on the device. This can give you notification through your phone app as an audible sound along with the alarm to the device itself.

The COMBINED SMOKE AND CO2 PROTECTION IN A EASILY MOUNTABLE ALARM WHICH INCLUDES Z-WAVE TECHNOLOGY TO EASILY INTERFACE WITH THE RING ALARM SYSTEM AND ITS ASSOCIATED MONITORING MAKES THIS DEVICE A 5 STAR NUMBER 1 CHOICE. The new one has more entities/sensors visible. It is a standalone unit and only has tones, not voice.

Why We Like This:

Automatically unlock doors to open an escape route for those inside
Connects fairly easily to the samsung smartthings hub
Links to all your alarm components and select third-party devices via z-wave

Best For homes With kids: First Alert voice Alarm

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The first alert voice alarm's material feels more premium than its price would suggest. The first alert system is a very good smoke alarm system and links up with other smoke alarms and co detectors. They look and feel well-constructed and durable. The advanced electrochemical co sensor detects carbon monoxide leaks from multiple sources, including faulty fuel burning appliances. The device speaks with a robotic voice, telling you the location of the device that is detecting something. They can get your entire system programmed and ready for mounting.

The battery operated smoke and carbon monoxide alarm can be installed easily. The ability to silence them using any infrared remote control is very convenient. They are REALLY loud and sound off in sequence. This is a great feature with little ones so they know where to avoid when tryign to get out of the house.

Why We Like This:

Wireless communication is a nice feature
Delivers what they promise

Best For either electrical box: First Alert Carbon Monoxide Alarm

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Compared with other products by First Alert, the first alert carbon monoxide alarm has a convenient design. The new alarms with CO detectors were replaced easily by clipping in the new pigtail and twisting on the existing ceiling bracket. It features a gasketless base and a mounting bracket that keeps the alarm secure over a wide rotation range to allow for true alignment. The clips are the same and the mounting plate has the exact same line up. It is easy to install with extended battery life.

The instructions are long and somewhat confusing to the non-electric savvy person so relax with your coffee/tea and read through them, then plan plenty of time so you don't get too frustrated. It can all go off together for a better alerted system. It is good as the 10 year battery backup means constant monitoring for the life of the alarm even if there's a power failure, single button test/silence.

Why We Like This:

Good replacement for older first alert smoke detectors
Lot of satisfied buyers

Best For Two In One Alarm: First Alert CO Alarm

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The first alert co alarm might be a relatively new release, but it's still nothing short of impressive this year, thanks to multiple price cuts and added new features over the past few months. It is great to have a combo smoke and co detector in one fairly slim package. It comes with this alarm you get both carbon monixide and fire ( smoke) decector with a 10 battery. It can not be disarmed, no removable batteries or wires to disconnect and make inoperable without destroying them and then needing replacements. The sealed lithium ion battery eliminates the need to check or change the battery every 6 months.

The alarm is hooked to the mounting plate, the battery is activated by the battery and ready to turn on. It is slim and unobtrusive, and that it is powered by a 10 battery. It is easy to install and blends into the ceiling nicely. The slim profile makes it fit in subtly with the rest of the room. It comes with a whopping 10 years guarantee that does NOT need battery replacement.

Why We Like This:

Nice, easy install and don't have to worry for 10 years
Slim and stylish and no problems with installation
Good investment for long term

Best With Insteon Fire bridge: First Alert hardwired Smoke Alarm

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First Alert has been making great alarm for years, thanks to a combination of clever design and appropriate materials. Wireless communication among the smoke detectors is a significant advantage and can provide additional critical time to exit the house in case of a fire, Highly recommended. It is perfect for multi level bedroom homes. This product is very sensitive to steam coming from the bathroom down the hall. It includes a test/silence button, low-battery warning, and access battery door.

It is easy to set up, just remember to activate the battery, so the alarm will work when needed. It's a safety mechanism.

Why We Like This:

Easy to install and hopefully ready to work
Easy setup, loud alarm could wake the dead
Installs quickly with a couple of screws
Works great and provides 'hardwired' solution without wires

Best Photoelectric type: First Alert decibel Alarm

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If you often find yourself scrambling for convenient and suitable alarm, this product should be your first option for buying. Ionization detectors are most effective when a fire has approached full force, by detecting the heat and light. It detects fire by "seeing" the microscopic particles that a fire releases in the air. It features an easy twist-lock mounting system and tamper-resistant design. The device senses these tiny particles with a photoelectric device inside, hence the name. The alarm nicely indicates when it is snapped into its ceiling mount and is easy to test to ensure it is in good, working order with the push of a button.

The p1210e is compatible with the p1210 only to the extent that the mounting holes align with those of the p. It is half as thick as a standard smoke alarm. This scattered light is detected by the light sensitive sensor which sets off the alarm.

Why We Like This:

Reliable, easy-to-install alarm without regular battery changes
Takes 30 seconds and there's no question about being 'on' or 'off
Emitting diode and a light sensitive sensor located in a sensing chamber
Meets ul217 standards and complies with legislative requirements for

Best For building: Firstalert Combination Alarm

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The firstalert combination alarm's material feels more premium than its price would suggest. This device should still make an alarm sound because some Deaf and Hard of Hearing folks can pick up the sound with their hearing aids/cochlear implants and/or sound detecting device. It provides 360 degrees of direct access to the smoke sensing chamber. The flashing light is adequate enough to alert you of any danger when you are sleeping or just can’t hear.

The Smoke detector is easy to install and only takes a few minutes to do. It takes 5-15 minutes to swap out a detector depending on your skills. There are two switches on the back of the unit.

Why We Like This:

Separate flash patterns to distinguish between smoke and carbon monoxide
One of the new comers and featured product

Best With Carbon Monoxide Detector: First Alert Combination Smoke Alarm

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This first alert hardwired smoke alarm and carbon monoxide detector features an ionization smoke sensing chamber and an electrochemical carbon monoxide sensor. It features electrochemical carbon monoxide sensing technology, as well as intelligent smoke sensing technology to reduce nuisance alarms. The latching alarm indicator automatically identifies which unit initiates the alarm, even after the conditions that set it off have subsided. It provides a clear, loud warning upon detection.

Installation and connection to AC power is easy with the included adapter plugs and "quick-connect" wiring harness so you can easily replace existing hardwired alarms without needing to rewire. It is equipped with an end-of-life signal, so you know when it's time to replace the unit for your safety. They come with 3 wire harnesses for re-wire and two legacy wire connectors so you don't have to rewire.

Why We Like This:

Intelligent sensing technology is designed to reduce nuisance alarms
Can be very easy as a replacement
Connect it to compatible brk or first alert alarms within a single-family residence
Rigorously tested to meet ul standards

The 12 Best First Alert Combination Alarms (2023 reviews)

Our Top Picks:

Best Overall: First Alert Photoelectric Sensor

Best For real thing: First Alert existing Smoke Alarm

Best With existing slot: First Alert Smoke Detector

Best With older Model: First Alert Smoke Alarm

Best With Your system: First Alert ring Alarm

Best For homes With kids: First Alert voice Alarm

Best For either electrical box: First Alert Carbon Monoxide Alarm

Best For Two In One Alarm: First Alert CO Alarm

Best With Insteon Fire bridge: First Alert hardwired Smoke Alarm

Best Photoelectric type: First Alert decibel Alarm

Best For building: Firstalert Combination Alarm

Best With Carbon Monoxide Detector: First Alert Combination Smoke Alarm

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