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Review of Top 5 Best Smoke Detector

Digital Home Security Solution
Top 5 Smoke Detectors

Review of Top 5 Best Smoke Detector in the Digital Home Security Solution

The smoke detector, in general, is always a lifesaver. It plays a crucial role in the Digital Home Security Solution and home automation segment. The application of modern technology has not only made them effective but also efficient in integrating with other smart home devices. The smoke detector is especially helpful when you’re asleep and is not aware of fire nearby or engulfs your home. This is where it aware us of the hazardous situation and help us to avoid a potentially deadly catastrophe. Therefore this guide is designed to help you find the best smoke detector in the Digital Home Security Solution and keep your family protected.   

The smoke detector is evaluated under five categories to offer you the best possible option available in the Digital Home Security Solution:

  • Best comprehensive smoke detector: First Alert Smoke and Carbon Monoxide Alarm
  • Best hardwired smoke detector: Kidde Smoke Alarm Dual Sensor
  • Best dual-sensor smoke detector: First Alert Photoelectric and Ionization Smoke Alarm
  • Best Smart Smoke Detector: Nest Protect Smoke and Carbon Monoxide Alarm
  • Best Affordable Smoke Detector: Kidde Hardwire Smoke Alarm

First Alert Smoke and Carbon Monoxide Alarm

In terms of overall performance, First Alert Smoke is a terrific solution. Designed with an electromechanical CO sensor and is interconnected so it alerts the other connected alarms when an adverse condition arise. The type of sensor used in it is photoelectric, which is better for detecting slow, smouldering fires.

   It enables you to setup up to 11 locations into the connected alarms and the voice will tell you where a hazard exists. Each unit of First Alert is powered by two AA batteries, which are included. And it also comes with a low battery alert that beeps when the battery is low. The company offers a seven-year limited warranty on its smoke detector.

   The First Alert is among one of the two smoke detectors that are popularly recommended by the Wirecutter for the combination of smoke and carbon monoxide alarm. It is also chosen the top pick for its affordability. But if you want coverage against carbon monoxide then using a few of these detectors in the mix will be an effective solution. The consumer has also recommended this model highly for an excellent job of detecting high and low CO levels in its tests, and the device clearly conveys an unsafe environment.

   In Amazon, about 77% of the buyer who reviewed the First Alert detector gave it a positive rating. It is also appreciated for its excellent customer service. Except for some complaints, the product managed to hold its value and proved to be an effective component in the digital home security solution.


  • Detects CO
  • Interconnected
  • Excellent customer service
  • Combination voice and beeping


  • Complaints of false alarm
  • Expensive


The First Alert is considered best because installing it will decrease your family’s chance of falling victim to the “silent killer’.

Best Buy

Buy the First Alert SCO501CN-3ST Battery Operated Combination Smoke and Carbon Monoxide Alarm on Amazon for $47.33  

Kidde Smoke Alarm Dual Sensor

The Kidde Smoke Alarm Dual Sensor Detector is great for its two main features. First, it comes with both of the photoelectric and ionization sensors which are recommended by the countless fire safety associations. And second, the Kidde Sensor can be hardwired into your home’s electrical system so you don’t have to worry about running out of batteries. However, the Kidde Smoke Detector is powered by a 9V battery which will help you as a backup in case of a power outage. On buying Kidde smoke detector you will get a 10-year limited warranty.

   It is also to be noted that the United States Consumer Product Safety Commission issued a recall due to the negligence in the manufacturing process. But despite this unlikely incident, the Kidde smoke detector is one of the two smoke detectors that is highly recommended by the consumers. In the review and the test conducted it is seen that Kidde smoke detector is very effective and respond fast. So you can rely on the Kidde smoke detector for its dual sensor and the excellent alarm intensity. The only annoying thing is that once the low-battery alarm starts chirping there’s no way to silence it.

   In Amazon, about 69% of the reviewers gave Kidde Smoke Detector four or five stars. Most of the reviewer appreciated the interconnected and easy replace battery feature. However, some of them pointed out that all of the smoke alarm must be the same to use the interconnected feature.


  • Effectively detects flame and smouldering fire.
  • Battery backup
  • Interconnected


  • Hard to silence
  • Sensitive sensors
  • Recall notice


The Kidde Smoke Alarm Dual Sensor Detector is considered best for its both ionization and photoelectric sensors which are effective in protecting you from flame and smouldering fire.

Best Buy

Buy the Kidde 21007915 PI2010 Smoke Alarm Dual Sensor on Amazon for $39.13.

First Alert Hardwire Photoelectric and Ionization Smoke Alarm

The First Alert Hardwired Photoelectric and ionization smoke alarm is crafted with the “Optipath 360 technology” which is designed to give 360-degree access to the smoke sensor. This helps it to detect smouldering and flaming effectively.

   The First Alert smoke detector comes with a two-AA-battery backup, which keeps you protected even if the power goes out. The siren of First Alert is of 85 dB, which is similar to large traffic or garbage disposal. The company backs this quality product with a 10-year limited warranty.

   During the product testing, it is found that the interconnected units all go off when one goes off, and the sensor quickly detects both types of fires. This product is top-ranked by Consumer Reports for its effective response to flaming and smouldering fires. Reviews.Org also gives a positive review for its flashing LED indicator which denotes a low battery and silencing buttons for low-battery chirping.

  In Amazon, around 74% of the buyers who reviewed First Alert Hardwire smoke detector gave it five stars. The most helpful reviewer mentioned that the interconnected feature works very effectively. Other buyers appreciate the easy accessibility feature of the First Alert mounting bracket for switching off the alarm.


  • Interconnected feature
  • Photoelectric and Ionization sensor
  • Battery backup
  • 10-year warranty


  • Not all homes needed the hardwired option


The First Alert Photoelectric and Ionization Smoke Alarm is best for detecting two main types of fire and though it relies on hardwiring, it still is an excellent smoke detector.

Best Buy

Buy the First Alert 3120B Hardwire and Photoelectric and Ionization Smoke Alarm for $27.18.

Nest Protect Smart and Carbon Monoxide Alarm

The Nest Protect is Nuovo in the smoke detector segment and gets it right only after a little trial and error. The first generation smoke detector from Nest was plagued with problems and this led to the recall. Then it was followed by a new line of product – The second generation – which has been out for more than three years without any major issues.

   The second generation Nest Protect smoke detector is crafted with electromechanical CO sensor and a photoelectric smoke sensor. It comes in hardwired with battery-only and battery backup which gives you two options to choose from. When the smoke detector sensed any menacing condition it lets you know verbally what is happening. It also triggers the siren and sends a notification on your smartphone.

  The Nest Protect smoke detector offers you with countless home automation features. For instance, if you have the thermostat then you can set up the CO alarm to inform the thermostat to turn off your furnace which is a potential source of CO.

  This product is recommended by CNET to anyone who appreciates interconnected features and design since no other detector can match it in terms of options and looks. The reviewer also stated that the Nest Protect smoke detector responded similarly to the high-rated smoke detector, and alerts showed up quickly on the smartphone. This product is also highly recommended by Just Click Appliances because it doesn’t chirp when the battery is low.

  In Amazon around 4,400 buyers have given a positive review on the Nest Protect Smoke and Carbon Monoxide Alarm. The product is appreciated for easy installation and no low battery chirp. However few stated that the square design is annoying because it needs a little effort to get the edges aligned with the room for a neat appearance.


  • Attractive design.
  • Smartphone monitoring and control.
  • No low battery chirp


  • Only Photoelectric smoke sensor
  • Expensive
  • Difficult to align edges for a clean look  


Now access your new Nest Protect smart detector with your smartphone which enables you to get alerts if there arise any hazardous conditions in your home or if your smoke detector’s battery is getting low.

Best Buy

Buy the Nest Protect Smoke Detector on Amazon for $119.

Kidde Hardwire Smoke Alarm

The Kidde Hardwire Smoke Alarm is a renovated smoke detector brand earlier manufactured under the “Firex” brand name by Invensys control until the brand was acquired by Kidde in 2009. Today, this smoke detector can be interconnected with up to two dozen other Kidde devices.

   If you are looking for an option within the economical range than go for Kidde smoke detector. This product is manufactured focusing on the economical range for which you may have to compromise a lot of features. But you can directly connect the Kidde smoke detector to your house electrical system and has a 9V battery backup

. The ionization sensor is ideal for detecting fires. And it also features a centrally-located test/hush button.

  The Kidde hardwire smoke detector has been reviewed by Tuck and they recommend it because you can connect it with other FireX alarms and the 9V battery is easy to replace without taking the unit down. However, the relatively short term warranty of five years and the needed of a photoelectric alarm has made this a bit tad low. Digital Trends, Trival Tech, and B4 Best Reviews also recommend this smoke detector.

  In Amazon around 400 buyers have given five-star reviews of the Kidde Hardwire smoke detector. However several buyers who try to replace old FireX smoke detector with Kidde hardwire smoke detector were disappointed as the plug-ins and the mounts are different. Some of the buyers even complain about the trouble of false alarm with Nest Secure smoke detector.


  • Interconnected
  • Inexpensive
  • Easy-access front load battery


  • Only ionization sensor
  • Relatively short warranty


If you are looking for a smoke detector within the economical range then opt for Kidde Hardwire smoke detector as it will get the job done.

Best Buy

Buy the Kidde i4618AC Hardwire smoke detector on Amazon for $13.88.   


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