Best KIDDE Smoke Alarms of 2025

Corey Phillips Avatar
Corey Phillips
Last Updated: 11 Feb 2025

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Smoke alarms are an essential safety device that every home should have. They can detect smoke and alert you to a potential fire, giving you and your family time to evacuate safely. KIDDE is a trusted brand in the market, providing reliable and high-quality smoke alarms. Their products come in different types and designs to suit your needs, such as battery-operated or hardwired versions. Investing in a KIDDE smoke alarm can give you peace of mind knowing that you have a reliable early warning system in case of a fire emergency.

At a Glance: Our Top Picks

Kidde 233045 10Y29 Smoke Alarms with 10 Year Battery Cover #TOP 1
Kidde 233045 10Y29 Smoke Alarms with 10 Year Battery
ftb score rating icon 9.9
Kidde 2030DSR Optical Smoke Alarm with Battery Cover #TOP 2
Kidde 2030DSR Optical Smoke Alarm with Battery
ftb score rating icon 9.8
Kidde 10Y29 Sealed Battery Smoke Alarm Cover #TOP 3
Kidde 10Y29 Sealed Battery Smoke Alarm
ftb score rating icon 9.6

Top 10 KIDDE Smoke Alarms

#TOP 1

Kidde 233045 10Y29 Smoke Alarms with 10 Year Battery

233045
White
2 Units
Kidde 233045 10Y29 Smoke Alarms with 10 Year Battery Cover
Kidde 233045 10Y29 RB Smoke Alarms 2 Pack 10 Year Battery Life

The Kidde Smoke Alarms offer a reliable safety solution with a remarkable 10-year battery life. This means you won't have to worry about changing the battery for a decade, providing you with peace of mind. The sealed lithium battery ensures that the alarm remains functional without any maintenance. With these features, you can focus on your daily activities without the stress of frequent battery replacements, knowing that your home is well-protected.

What We Like
Long battery life
No battery changes needed
Sealed lithium battery
Reliable safety solution

Kidde 2030DSR Optical Smoke Alarm with Battery

2030DSR
White
Kidde 2030DSR Optical Smoke Alarm with Battery Cover
Kidde 2030DSR Optical Smoke Alarm with 9V Replaceable Battery (Included) – 10 Year Sensor Life

The Kidde 2030DSR Smoke Alarm features advanced optical smoke detection technology that accurately identifies smoke particles, helping to minimise false alarms. You can enjoy added convenience with the "hush" control feature, which allows you to temporarily silence nuisance alarms. The mesh bug screen around the sensor further reduces the chances of false alarms, ensuring reliable performance. Additionally, the alarm can be mounted on walls or placed freestanding, providing flexibility in installation to suit your needs.

What We Like
Accurate smoke detection
Nuisance alarm silencing
Reduces false alarms
Flexible installation options
#TOP 3

Kidde 10Y29 Sealed Battery Smoke Alarm

10Y29 RB
White
1 Unit
Kidde 10Y29 Sealed Battery Smoke Alarm Cover
Kidde 10Y29 RB Ten Year Life Sealed Battery Smoke Alarm , White

The Kidde 10Y29 Smoke Alarm is a new generation device designed for your safety. Its advanced optical photoelectric sensor detects smoke more effectively, ensuring you are alerted promptly in case of fire. The sealed-in battery eliminates the hassle of replacements, providing you with a worry-free experience for ten years. Additionally, the test function and hush button allow you to easily check the alarm's status and silence false alarms, offering you convenience and peace of mind.

What We Like
Long-lasting battery life
Effective smoke detection
Easy testing and silencing
No battery replacement needed
#TOP 4

Kidde 29HD Optical Smoke Alarm with 10 Year Life

Kidde 29HD Smoke Alarm
White
Kidde 29HD Optical Smoke Alarm with 10 Year Life Cover
Kidde 29HD Optical Smoke Alarm, White

The Kidde 29HD Smoke Alarm offers essential safety features for your home. With a 10-year alarm life, you can enjoy long-lasting protection without the hassle of frequent replacements. Being battery-operated makes installation straightforward, allowing you to set it up anywhere without complicated wiring. The test reset hush button ensures you can easily silence false alarms, providing peace of mind. Additionally, the photoelectric sensor enhances detection of smouldering fires, helping to keep you and your loved ones safe.

What We Like
Long-lasting 10-year battery life
Easy to install
Test reset hush button
Effective photoelectric sensor

Kidde Firex KF20 Mains Operated Smoke Alarm

White
Kidde Firex KF20 Mains Operated Smoke Alarm Cover
Kidde Firex KF20 Optical Smoke Alarm - Mains Operated with Battery Back Up

The Kidde KF20 Smoke Alarm is designed for your safety with its ability to interlink with up to 23 other Firex hard-wired alarms, ensuring comprehensive coverage throughout your home. The combined test/hush button allows you to easily test the alarm or silence it when needed, making maintenance straightforward. With auto reset functionality, you won't have to worry about manually resetting the alarm after it has been triggered. Additionally, the tamper-resistant locking device adds an extra layer of security, preventing unauthorised access and keeping your family safe.

What We Like
Interlinks with multiple alarms
Easy test and hush feature
Automatic reset function
Tamper-resistant design
#TOP 6

Kidde K10SCO Smoke and CO Alarm with Voice Alerts

K10SCO
White
Kidde K10SCO Smoke and CO Alarm with Voice Alerts Cover
Kidde K10SCO Combination Smoke & CO Alarm with Voice Notification

The Kidde K10SCO Alarm combines two essential safety devices into one compact unit, saving you space while enhancing your home's safety. It operates on two AA replaceable alkaline batteries, which are included, ensuring you have a reliable power source. The dual voice warning alerts provide clear notifications, helping you respond quickly in case of danger. With an 85dB alarm sounder, you can be assured of being alerted even in noisy environments, making it a vital addition to your home safety measures.

What We Like
Space-saving design
Easy battery replacement
Clear voice alerts
Loud alarm sound
#TOP 7

Kidde 29 Optical Smoke Alarm with Photoelectric Sensor

White
Kidde 29 Optical Smoke Alarm with Photoelectric Sensor Cover
Kidde 29 Optical Smoke Alarm

The Kidde 29 Smoke Alarm is designed to enhance your safety with its photoelectric sensor, which is effective at detecting smouldering fires. Being battery operated, it ensures a hassle-free installation, allowing you to set it up in moments without the need for complicated wiring. The convenient test/reset button lets you easily check its functionality, giving you peace of mind that it is working correctly. With these features, you can feel secure knowing that your home is protected against fire hazards.

What We Like
Photoelectric sensor for smouldering fires
Battery operated for easy setup
Convenient test/reset button
Quick installation
#TOP 8

Kidde Firex KF20 Mains Optical Smoke Alarm

KF2 4973
White
Kidde Firex KF20 Mains Optical Smoke Alarm Cover
Twin Pack Kidde Firex KF20 Mains Powered Optical Smoke Alarm with 9V Back Up Batteries | KF2 | 4973

The Kidde Firex KF20 is a mains-powered optical smoke alarm that can interlink with up to 23 other Kidde alarms, ensuring that if one detects danger, all will sound an alert. This feature enhances safety across your home, providing peace of mind. It operates on mains power, with a 9V alkaline battery as a backup, ensuring reliability even during power outages. With reduced energy consumption, you benefit from lower running costs. The combined Test/Hush button allows you to easily test the alarm and silence false alarms, adding convenience to your safety measures.

What We Like
Interlinks with multiple alarms
Reliable mains and battery powered
Energy efficient operation
Easy testing and silencing
#TOP 9

Kidde Firex KF Series Smoke and Heat Alarms Kit

KEKF20, KEKF30
White
Kidde Firex KF Series Smoke and Heat Alarms Kit Cover
Kidde Firex KF Series Mains Powered Fire Alarms Kit (2 Smoke & 1 Heat) with Alkaline Back-up Battery

The Kidde Firex KF Series offers a comprehensive solution for home safety with its mains powered fire alarms. The smoke alarms are perfect for use in living areas, bedrooms, and hallways, ensuring that you are alerted to smoke in critical areas of your home. In the kitchen, garage, or unconverted loft spaces, the heat alarm provides an additional layer of protection. With a reliable 9V alkaline back-up battery included, you can trust that the alarms will function even during power outages.

What We Like
Mains powered with back-up battery
Suitable for various home locations
Reliable smoke and heat detection
CE and Kitemark certified
#TOP 10

Kidde KF20 Mains Powered Smoke Alarm

KEKF10-RA
White
Kidde KF20 Mains Powered Smoke Alarm Cover
Replacement for Kidde KF10 Mains Powered Smoke Alarms

The Kidde KF20 Smoke Alarm is a reliable safety device powered by mains electricity and supported by a 9V alkaline battery backup. This ensures that you remain protected even in the event of a power failure. It is designed to replace older models and can interlink with various alarms, enhancing the overall safety of your home. Additionally, the alarm complies with the updated 2022 Scottish legislation for fire alarms, providing you with peace of mind in meeting legal requirements.

What We Like
Mains powered with battery backup
Interlinks with older models
Compliant with Scottish legislation
LED indicator for easy monitoring
Buying Guide Image
Editor's Notes

During our KIDDE smoke alarm research, we found 43 KIDDE smoke alarm products and shortlisted 10 quality products. We collected and analyzed 28,167 customer reviews through our big data system to write the KIDDE smoke alarms list. We found that most customers choose KIDDE smoke alarms with an average price of £19.70.

The KIDDE smoke alarms are available for purchase. The top 10 picks range in price from a low of £12.00 to a high of £69.00, find the one that fits your budget. The seller of top 1 product has received honest feedback from 2,577 consumers with an average rating of 4.9.

Written by
Corey Phillips Avatar

Corey Philips is an electrician and lighting expert. He graduated from the University of Birmingham in 2012 with a Bachelor's degree in electrical and electronics engineering. Corey is a specialist contractor in lights. He sells and installs and recommends lights and lamp sheds, and other lights accessories. Aside from that, Corey is vast in installing and maintaining electrical appliances like air conditioners, water heaters, and the likes.