Best Heat Detector for Attic | Top 5 Reviews [2024 UPDATED]

Heat Detector for Attic

You’re at home, and a fire breaks out. You evacuate, but what happens if the fire is in the attic? Fires that start in the attic can quickly spread and become uncontrollable before you even know it’s happening.

Installing the right heat detector in your attic is the safest way to detect a fire early and give yourself enough time to get out safely.

According to a recent national fire protection association study, many home fires begin in the attic despite having a normal heat alarm. This means that if you don’t have the best heat detector for attic, you’re putting yourself and your family at risk.

With these top heat detectors, you can identify even the smallest amount of heat. In this article, we review 5 reliable heat and smoke detectors.

Kidde Heat Detector Alarm

ARDWOLF Heat Sensor Smoke Detector

FIRST ALERT Heat Detector for Attic

You may not be aware, but your attic can be a major fire hazard. Fires in the home account for billions of dollars in damages every year and many of these fires start in the attic. A heat detector for the attic is the best way to protect your home from this type of fire.

But how to know which is the right unit for your needs? We have come up with a list of the safest heat detectors in the market. Let’s get started to have peace of mind in your home!

01. Kidde Heat Detector Alarm

This smoke detector by Kidde is perfect for those who want extra home security. It has a lithium battery backup that will keep it working even in a power outage.

Moreover, it connects to other smoke detectors in your home, so you’ll be alerted if there’s a fire anywhere. It has a test-silence button that lets you test the alarm or silence it temporarily without having to evacuate your home.

The Kidde Heat Detector Alarm uses ionization sensing technology to detect visible fire particles. It has a loud 85 decibel alarm to alert you of a fire.

With this heat and smoke alarm, you can plug it into 120 volts. You’ll receive a 3 volt lithium battery backup so that the heat detector always will work during a power failure. This smoke alarm can protect you during a power failure.

Adding an extra layer of safety for your family is easy with the heat detector alarm. This alarm is designed to detect both fires and carbon monoxide, providing whole-home protection. The alarm can be placed on each level of your home, as well as in your bedroom.

You can connect up to 24 Kidde smoke and CO detectors throughout your home. This Heat Detector Alarm is UL Certified. This carbon monoxide alarm is designed to protect your home from potential fires by detecting the heat signature of fire and emitting a loud alarm to alert you and your family.

The carbon monoxide detector also features a Test-Hush Feature that will silence the alarm for approximately 9 minutes, so you can investigate any potential residential fires without being disturbed by the false alarm.

Highlighted Features:

  • Protects against fire and carbon monoxide
  • Lithium battery backup
  • Connects to other smoke detectors in your home
  • Test-silence button to test the alarm
  • Has 85 dB alarm and Come with UL Certified
  • 120V power source and 3V lithium backup battery

02. Kidde Heat Detector

If your looking for a heat detector, look no further than the Kidde brand. With this product you can keep yourself and your loved ones safe from flaming fires.

The detector features a hardwired connection with a battery backup, so you can be sure it will continue to function even if there is a power outage. Additionally, the detector has two LEDs that will light up when it senses heat, making it easy to see whether or not there is a fire.

If the temperature climbs above 135° F, the alarm will sound at 85 decibels. This alarm can help ensure that your family can get out of a dangerous situation quickly and safely.

With the 9-volt battery backup, it will continue to function even if the power goes out. The Kidde Heat Detector is a device that connects with up to 24 Kidde devices, including smoke and CO alarms.

It has two LEDs: a green LED that is constantly ‘on’ when AC power is present and a red LED that will flash every 30-40 seconds to indicate a high heat temperature. If the air temperature is not reduced, the detector will continue to flash.

This is a reliable, UL-certified product. It features a Test-Hush button that silences the unit, making it ideal for use in residential or commercial areas.

It features a quick connect power harness that makes installation quick and easy, and a test button that tests the unit’s electronic circuitry.

Highlighted Features:

  • Hardwired connection with battery backup
  • Detects heat temperatures up to 135° F 
  • UL certified and quick connect power harness
  • Test button tests unit’s circuitry
  • Come with two LEDs

3. FIRST ALERT Heat Detector for Attic

When it comes to fire safety, it’s important to be prepared for anything. That’s why a heat detector is such an important addition to any home – you never know when a fire might start.

The Heat Detector by First Alert is perfect for those areas of your home where a smoke alarm can’t be installed. You can be sure that the detector is always operational because it is hardwired and comes with a battery backup. 

It uses advanced rate-of-rise sensing technology to detect high temperatures and rapid temperature rises, so you can be sure that you’ll be alerted quickly if there’s ever a fire in your home.

The FIRST ALERT Heat Detector for Attic features microprocessor-controlled detection, which dramatically reduces the occurrence of false alarms. In addition, you can control it remotely from almost any household. As a result of this detector, you will be notified quickly if there is a problem in the attic.

You’ll know if there’s a fire in your attic if the 85-decibel alarm goes off. This detector is also very easy to install, so you can be sure that it will be up and running as soon as possible.

Highlighted Features:

  • Includes a battery backup.
  • Designed to detect heat changes in the attic
  • Uses advanced rate-of-rise sensing technology
  • Offers microprocessor-controlled detection
  • Can control it remotely

04. ARDWOLF Heat Sensor Smoke Detector

When a fire starts in your home, it’s crucial to have a smoke alarm to alert you so that you can get out safely. The  Heat Sensor Smoke Detector by ARDWOLF is a great option because it detects both smoke and heat, so you’ll be alerted even if the fire is small. It also has a UL Listed Battery-Operated, which will continue to work even if the power goes out.

You will be alerted to slow smoldering fires for hours before they erupt in flames when you have the photoelectric smoke alarm. This smoke alarm is a great choice for your home or office.

With one 9V battery(included), it won’t be affected by power outages. When the smoke detector goes off intermittently, followed by a red LED flash every 32 seconds, you’ll get a warning so you can replace the battery.

The ARDWOLF Heat Sensor Smoke Detector is an essential safety device for any home. It has a sensitive alarm that sounds when smoke is detected, giving you enough time to evacuate and call for help. Additionally, the detector has a red LED light that will flash rapidly when the alarm is triggered, providing a warning to those nearby.

If you’re looking for a radiation-free smoke detector and perfect for multiple places, this heat sensor smoke detector is a great option. This alarm can be installed in any room in your home, so you can feel confident that you and your family will be alerted if there is a fire.

Highlighted Features:

  • Radiation-free smoke detector
  • Detects both smoke and heat
  • UL listed battery operated
  • Sensitive alarm sounds when smoke is detected
  • Red LED flashes rapidly when the alarm is triggered

05. Ecoey Heat Sensing Smoke Detector

Are you looking for a smoke detector that can also double as a heat detector? Look no further than the Smoke Detector by Ecoey! This detector comes with a test button so you can be sure it’s working properly.

You’ll never have to worry about finding a power outlet since the charger is battery-powered, while the eco-friendly design will help the environment.

The smoke detector uses a photoelectric sensor to detect the presence of smoke and heat. You can protect your life with the smoke detector since it detects threats that are not conducive to people’s safety. Therefore, the smoke detector is very sensitive to detect even the tiniest of threats.

During an emergency, an alarm tone will sound all-around your house at over 85 dB. The Ecoey Heat Sensing Smoke Detector is a great product to have for your home or bedroom. You can install it in several minutes with the screws and bracket included. It is powered by a 3V battery which will not be affected by power outages.

With this detector, you can feel assured that you and your loved ones will be alerted in the event of a fire. It is radiation-free, making it perfect for multiple places in your home.

This smoke and heat detector has an integral intelligent chipset. A red light denotes a situation of emergency; a green light signals normal operations. Using this detector, you can monitor the heat and smoke levels in your house at all times, keeping your family safe.

Highlighted Features:

  • Uses photoelectric technology to detect smoke and heat
  • Eco-friendly and easy to operate
  • Sounds all around your house at over 85 dB
  • Comes with a test button

This is the list of best heat sensor smoke detectors for you. I hope my list is helpful to you. No one does not generate a nuisance alarm.

Factors to Consider When Buying a Heat Detector for Attic

install smoke alarms

A fire can start in many ways, but the most common cause is faulty wiring. Installing a heat detector in your attic can help you avoid this tragedy. Heat detectors are much more sensitive than smoke detectors, so they will go off sooner, giving you a chance to put out the fire before it spreads.

When looking to buy a heat detector for your attic, there are a few factors you need to take into account.


Some detectors are designed for small spaces, while others are better for larger areas. An attic is a large space, and you need to make sure the heat detector covers the entire area. That’s why it’s important to buy the best smoke detector for attic that covers a large area.

You Can Also Check: What’s the Best Way to Install Gable Attic Fan?

Type of Insulation:

Some people have thicker layers of insulation than others. The thickness of the insulation determines how sensitive your detector needs to be. If it is fiberglass insulation, you will need a detector that can sense both heat and smoke.

Type of Fire:

Not all fires spread the same way, leaving different kinds of evidence behind. A smoldering fire leaves thick smoke and low heat, while a fast-spreading fire emits very high heat with little smoke.  If you have an electrical fire, you will need a different type of detector than if you have a combustible fire.

Decibel of Alarm:

The decibel level of the alarm is also a factor. The decibel level of the alarm is also a factor. You need to buy the best smoke detectors for attic that has a very loud alarm. That way, you will be alerted in the event of a fire, and you will have enough time to get out of your house.

Temperature Resistant:

best home security systems

Most detectors are designed to work in different temperatures ranges with high and low temperatures. If you live in a climate where it gets very cold or hot, make sure your unit can handle these changes and still work without malfunctioning.


A certified device is one that has been tested by an independent lab and approved under manufacturing standards. The labs test for bugs and errors, so you can be sure the unit you buy will not fail soon after it’s installed.

Sensing Technology:

Many detectors on the market use heat or light sensors to detect fires. There are three types of sensors used to detect fires: electromagnetic, optical, and thermal.

Power Source:

The power supply is also important. Some units run on batteries, while others use electricity from the main grid. If your detector runs on electricity, you will need to make sure the wiring in your finished or unfinished attic is good enough to handle this type of load. Some heat and smoke detectors run on 120v, and others need 240v.


If your unit uses batteries, you will need to look for one with long life and low battery consumption. For this reason, you should opt for lithium batteries whenever possible because they last longer than other types of disposable alkaline batteries.

Times of Alarm:

nest protect

Having a detector that goes off too often can be just as bad as having one that doesn’t go off at all. Fortunately, many detectors designed for the finished attic have adjustable alarm times.

You will also need to look for a device that has multiple alarms. This way, if your heat detector goes off, you can have other detectors in the house go off too, so everyone is aware of the emergency.

Test-Silence Button:

Some units have a test button located on top or near the handle. This allows homeowners to test their devices. A good device will also have an option to turn the sound off if you find the alarm too loud.

Sound Time:

The length of time your detector sounds its alarm is also important. If the alarm lasts for only 10 seconds, it may not be enough time for everyone in your household to exit safely. In cases like this, you will need a longer sound time device.

Visual Indicators:

Many detectors use different types of lights to indicate if they are working properly. The main indicators you should look for on your unit include:

A green light shows the unit is operating and a red one that goes off when there is an emergency. A yellow light comes on while the device tests itself every 24 hours or so. Blue flashing lights indicate a fire. A flashing red light goes off when there is a malfunction in the device.

Moreover, a sound indicator to let homeowners know how far away from them an emergency is located or if their unit has been turned off. This feature will give you peace of mind when you sleep at night and do not have to worry.


The best brand of heat detector for an attic is one that has been tested and verified by independent labs. Some reputable brands worth looking at include Kidde, FIRST ALERT, and ARDWOLF.


The cost of a heat detector is important, but you also have to look at the safety factors of your device. It’s always better to invest in a more expensive unit that has been tested and certified by independent lab testing facilities.

Heat Detector Types:

Heat Detector Types

There are two main types of units that homeowners can choose from, rate-of-rise heat detector and fixed temperature detector. Each type of unit has its pros and cons.

Rate-of-rise detectors sound the alarm when they detect a sudden increase in temperature. This type of unit is usually more sensitive and can go off more often than fixed temperature units.

On the other hand, fixed temperature detector units are more expensive, but they are also more durable. These types of units are designed to fry out when exposed to extreme temperatures. This way, homeowners can’t false-trigger them with high-temperature kitchen appliances or sunlight that comes in through an attic window.


01. What is a Heat Detector?

A heat detector is a type of fire alarm that is used to detect fires that are early in their development. They work by sensing an increase in temperature and then sounding an alarm to notify the homeowner.

02. When are Heat Detectors Required?

Most jurisdictions require that a heat detector be installed in any structure where the temperature may exceed 100 degrees Fahrenheit. This includes both residential and commercial buildings.

03. Are Heat Detectors Required in Attics?

Yes, heat detectors are required in attics. Heat detectors are used to detect fires that are early in their development. They work by sensing an increase in temperature and then sounding an alarm to notify the homeowner.

04. Where Do You Put a Heat Detector?

The best place to put a heat detector is in an attic. This is because the attic is the area of a home that is most likely to experience a fire.

05. Can a Hot Attic Cause a Fire?

Yes, a hot attic can cause a fire. The most common cause of fires in homes is due to faulty wiring. When the wiring in an attic overheats, it can start a fire.


A fire can break out in your home at any time, and if it does, you need to be able to detect it as soon as possible. Smoke detectors are an important part of your home safety plan, but they may not be enough to alert you quickly enough if a fire starts in your attic.

The best heat detector for attic spaces is the perfect solution for this problem. By detecting heat levels early on, you can put out the fire before it has a chance to spread and cause serious damage.

We hope this article helped you choose the right heat detector for your attic space. If you have any thoughts, please feel free to leave a comment in the section below.

Best Heat Detector for Attic | Top 5 Reviews [2024 UPDATED]

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