Best Fire Alarms Deals - Top 10 in January 2026

Last Update: 13. January 2026
1
Best Choice
9.9
FireAngel

FREE delivery**
  • SMOKE DETECTORS FOR HOME: The optical smoke alarm makes protecting your home simple. Its optical sensing chamber 'sees' smoke as it enters the alarm, providing a fast response to slow burning fires with thick white smoke.
  • FEWER NUISANCE ALARMS: The advanced optical sensor ensures the FireAngel smoke alarm is less prone to false alerts from cooking fumes. Avoid placing near bathrooms or kitchens.
  • 10-YEAR BATTERY: Each smoke alarm is fitted with a 10-year sealed battery, offering protection for the lifetime of the device without needing to change the batteries.
  • EASY INSTALLATION: Fitted with a removable base plate, secure it to the ceiling using the screws provided. Push and twist to secure the device. The base plate is identical to the ST622, making replacements quick and easy.
  • SAFETY ASSURED: The FA6620 smoke alarm holds CE and UKCA marks and is certified to BS EN 14604:2005+AC:2008. Suitable for domestic premises, including leisure accommodation vehicles, it comes with a 5-year warranty.
Colour Brand Weight
White Fireangel 138 g
£2599 (£13.00 / count)
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2
Best Value
9.8
X-Sense
TODAY 45% OFF!
£16.99 (45% DISCOUNT!)

FREE delivery**
  • Sensitive & Intelligent: The state-of-the-art photoelectric sensor, combined with an advanced intelligent chipset, this smoke alarm for home can accurately detects dangerous smoke levels in seconds with fewer false alarms
  • 10-Year Battery Life: The low power consumption enables an incredible product life of up to 10 years with the built-in lithium battery; provides reliable uninterrupted 24/7 protection so you can sleep safely
  • Reliable Auto-Check: The fire alarm monitors itself constantly and timely informs you of faults or a low battery for secure use
  • Superior Construction: Made of fire-retardant ABS plastic material; the long-lived smoke detector horn alerts you with a loud 85-decibel alarm when smoke has been detected
  • High Quality: This premium smoke alarm conforms to EN 14604 standard
Colour Brand Weight
White X-Sense 178 g
£941
RRP: £16.99 -45%
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3
9.7
SHENZHEN JIKAIDA TECHNOLOGY CO., LTD

FREE delivery**
  • 【2 in 1 Carbon Monoxide and Smoke Detector】 Protection from two deadly threats, The smoke and carbon monoxide detector protects against both dangerous smoke and carbon monoxide (CO) in the surrounding air; accurately detects CO from any potential sources. When carbon monoxide and smoke rise to alarm levels, the alarm provides a clear, loud warning when it is discovered. Bring you double protection from Uninterrupted 24/7 protection & large detection range.
  • 【Authoritative Certification】Our smoke and carbon monoxide alarms are dual-certified to EU standards EN 14604 and EN 50291, establishing a double line of defense for home safety. We insist that every alarm undergoes the most stringent dual certification under EU standards EN 14604 and EN 50291. This represents more than just two certificates—it guarantees comprehensive excellence in sensor accuracy, response speed, and environmental resilience, building a seamless safety net for your home.
  • 【Quick & Easy Installation】 : Battery (3*AA) operated device can be simply installed and maintained without the need for an electrician, carbon monoxide smoke detectors is easy to mount on any wall or ceiling with the included screws. You can hear the low power alarm when the power is close to run out, and won’t miss the chance to change the new battery. Note: (not supplied the batteries.Carbon monoxide is lighter than air, it is recommended to install it at a distance of 30cm from the ceiling.
  • 【LCD Digital Displays】: It is accurate ,reliable,highly sensitive. You can use the digital display to see the current CO concentration and the status of the machine's battery level. When carbon monoxide and smoke produce, the Combination smoke & carbon monoxide detectors will Instantly alerting you via an 85-dB alarm and a rapid-flashing LED indicator; the LED indicator won’t disturb your sleep when the alarm is in normal working status.
  • 【Test Mode Button】: Carbon monoxide and smoke alarm has self-check function. It allows you to easily know the working status of the alarm. And test button enables (silent mode)you to test the alarm weekly, When encountering a non-emergency situation(false alarms occur),you can immediately press the test button and the LED light will flash cyclically, indicating that it has entered the silent mode.
Colour Brand Weight
White Generic -
£2399
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4
9.6
FireAngel Safety Technology Ltd
TODAY 30% OFF!
£29.99 (30% DISCOUNT!)

FREE delivery**
  • THERMOPTEK TECHNOLOGY: The FireAngel ST-622 Thermoptek smoke alarm uses patented multi-sensor optical smoke alarm technology making it a reliable choice among fire alarms for home.
  • LONG LIFE BATTERY: Powered by a 10 year sealed lithium battery, this standalone FireAngel smoke alarm provides dependable performance, featuring an End of Life indication that reminds when the unit should be replaced.
  • LARGE CENTRAL BUTTON: Designed with a large central button for Test and Smart Silence, this smoke alarm can mute a known nuisance alarm for 10 minutes while the smoke detectors for home continue monitoring smoke levels.
  • EASY INSTALLATION: Installation is simple with automatic battery engagement on the base plate. Built-in bug mesh and dust compensation help reduce false alarms, ensuring consistent performance of your smoke alarms for home.
  • SAFETY ASSURED: With an 85dB alarm sound level at 3m, the FireAngel ST-622 smoke alarm meets BS EN 14604:2005+AC:2008 standards, making it suitable for bedrooms, hallways, and living rooms as part of trusted fireangel smoke alarms.
Colour Brand Weight
White Fireangel 155 g
£2094
RRP: £29.99 -30%
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5
9.6
Isafenest
TODAY 3% OFF!
£16.49 (£8.24 / count) (3% DISCOUNT!)

FREE delivery**
  • 【Quick smart 】The smoke by the change in the intensity of the infrared light scattered in the smoke. When the light intensity received by the photosensitive receiver exceeds the set value, the piezoelectric horn will be driven to sound an alarm.
  • 【Easy Installation】 No need to connect wires, just use the attached screws to fix the anchor plug on the mounting bracket, and rotate the smoke sensor to the right to the gap to complete the installation on the wall or ceiling.
  • 【Reliable Security】 When the smoke sensor has a short circuit, open circuit or other bad conditions, the smoke alarm will automatically detect and send a fault signal. Protect family and property safety in time.
  • 【Long product life】 Compared with other battery and machine integration products, the product has a 10-year lifetime and a 5-year replaceable DC 9V battery operated, which is more user-friendly.
  • 【High standard, safe and reliable certification】 The smoke alarm has passed CE certification and British BRE certification, providing you with better safety and reliability.
Colour Brand Weight
White Isafenest 180 g
£1599 (£8.00 / count)
Was: £16.49 (£8.24 / count) -3%
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6
9.5
Liziang Electronic Co Ltd
TODAY 20% OFF!
£19.99 (£10.00 / kg) (20% DISCOUNT!)

FREE delivery**
  • 🏡 Advanced Optical Detection for Rapid Response || Safeguard your family with this 2 pack smoke alarm for home, featuring photoelectric (optical) sensing technology. It swiftly detects smoke from slow-burning fires — essential for enhancing protection in any home, office, flat, or caravan.
  • ⏱️ 10-Year Sensor Life with Replaceable 5-Year Battery || Engineered for lasting safety, each fire alarm for home offers a durable 10-year lifespan and comes pre-equipped with a 5-year battery. No wiring, no fuss — just replace the battery when needed to keep your battery operated smoke alarm active.
  • 📢 Loud 85dB Alarm & Flashing LED Light || When danger strikes, the alarm emits a powerful 85dB siren with a red LED alert — easily heard across bedrooms, kitchens, hallways, stairways, lofts, and offices. A reliable smoke detector for home with visual and audio warnings.
  • 🔇 Silence Button to Prevent Nuisance Alarms || Minimise false alarms with the handy test/silence button — ideal for kitchens or areas with steam. Temporarily silence the alarm during cooking; it reactivates automatically for continued monitoring.
  • ✅ EN14604 Certified with Auto Self-Test || These smoke detectors for home meet the strict EN14604 safety standard. An automatic self-check runs every 33 seconds, shown by a flashing LED, confirming the fire alarm's status without interrupting your day.
  • 🛠️ Effortless DIY Installation || Designed for convenience, this battery smoke alarm installs in minutes using included screws and mounting brackets — no rewiring required. Great for landlords, new builds, or renters upgrading their home fire detectors.
  • 🛡️ Durable Flame-Retardant Construction || Made from high-quality ABS+PC, this smoke alarm withstands high temperatures. Its flame-retardant design ensures extra protection and long-term reliability in all environments — from your home to your caravan or garage.
Colour Brand Weight
White TEFLERON -
£1599 (£8.00 / kg)
RRP: £19.99 (£10.00 / kg) -20%
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7
9.4
FireAngel Safety Technology Ltd
TODAY 41% OFF!
£20.49 (£10.24 / count) (41% DISCOUNT!)

FREE delivery**
  • EARLY WARNING SMOKE DETECTOR: The optical smoke alarm makes protecting your home simple. The optical smoke sensing chamber works by 'seeing' smoke as it enters the alarm, perfect for slow burning fires with thick white smoke.
  • TOAST PROOF: The high performance optical sensors ensure the FireAngel SB1-R is less prone to false alarms from cooking fumes, so you can enjoy your breakfast in peace.
  • TEST/HUSH BUTTON: Press the large test button to ensure your Fire Angel smoke alarm is working properly. A loud, high-pitched sound will verify it. To silence a false alarm, press and hold the button for 5 seconds.
  • 1 YEAR BATTERY: Each battery operated smoke alarm comes with a 1 year, replaceable 9V battery. When the smoke alarm battery is low, the device will 'chirp' and the red LED will flash once every 32 seconds. Replace the battery ASAP.
  • EASY INSTALLATION: Each FireAngel smoke alarm comes with a removable base plate. Attach the base plate to the ceiling using the screws provided. After inserting the battery, push and twist the alarm clockwise onto the base plate.
  • SAFETY ASSURED: The SB1-R alarm holds both CE and UKCA marks and has been certified to BS EN14604:2005. Suitable for domestic properties including mobile homes and caravans. Not suitable for commercial properties. Includes a 3-year warranty.
  • FIREANGEL HOME PROTECTION: In addition to our smoke alarms, we offer a wide range of other safety products designed to protect you and your family. Choose from smart and wireless devices, as well as standard carbon monoxide and heat alarms.
Colour Brand Weight
White Fireangel 113 g
£1200 (£6.00 / count)
RRP: £20.49 (£10.24 / count) -41%
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8
9.3
Guangdong Isafenest Co,Ltd
TODAY 15% OFF!
£15.19 (£7.60 / count) (15% DISCOUNT!)

FREE delivery**
  • LONG LIFESPAN - The fire alarms for home are manufactured in accordance with EN14604 standards and have a service life of up to 10 years. Equipped with a replaceable 9V battery. You can replace the battery themselves when power is depleted
  • 85dB LOUD ALARM - This fire alarms for home features an 85dB alarm with a 20-40 m² detection range. Includes red LED indicator light. Continuous alarm until smoke disperses or Test/Silent button is activated
  • EASY-TO-INSTALL BATTERY SMOKE DETECTORS - No wiring required. All accessories included. Wall/ceiling mountable design for apartments, dormitories, or hotels
  • AUTO-CHECK SMOKE DETECTOR - Performs 30-second self-test with red LED flashes. Alerts via beeping and flashing light for abnormalities. Ensures 24/7 safety monitoring
  • DUST-PROOF DESIGN & FLAME-RETARDANT MATERIALS - Built with high-temperature resistant components (operating range: -10°C to 55°C). Reduces false alarms through advanced air intake filtration system. Maintenance: Test monthly. Clean dust biannually with soft brush
Colour Brand Weight
White ZYTA 125 g
£1291 (£6.46 / count)
Was: £15.19 (£7.60 / count) -15%
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9
9.2
X-Sense
TODAY 40% OFF!
£29.99 (£15.00 / count) (40% DISCOUNT!)

FREE delivery**
  • Sensitive & Intelligent: The state-of-the-art photoelectric sensor, combined with an advanced intelligent chipset, this smoke alarm for home can accurately detects dangerous smoke levels in seconds with fewer false alarms
  • 10-Year Battery Life: The low power consumption enables an incredible product life of up to 10 years with the built-in lithium battery; provides reliable uninterrupted 24/7 protection so you can sleep safely
  • Reliable Auto-Check: The fire alarm monitors itself constantly and timely informs you of faults or a low battery for secure use
  • Superior Construction: Made of fire-retardant ABS plastic material; the long-lived smoke detector horn alerts you with a loud 85-decibel alarm when smoke has been detected
  • High Quality: This premium smoke alarm conforms to EN 14604 standard
Colour Brand Weight
White X-Sense 178 g
£1795 (£8.98 / count)
RRP: £29.99 (£15.00 / count) -40%
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10
9.1
FireAngel

FREE delivery**
  • DUAL PROTECTION: This home safety duo offers essential protection against carbon monoxide and fire. The CO alarm detects invisible gas threats, while the optical smoke alarm responds quickly to slow, smouldering fires.
  • SMOKE DETECTOR: The smoke sensing chamber ‘sees’ smoke as it enters the alarm, making it ideal for slow burning fires with thick white smoke and less prone to false alarms.
  • CARBON MONOXIDE DETECTOR: This portable CO alarm can be wall mounted or used free standing. It detects invisible CO hazards and emits a loud 85 dB alert, providing essential protection at home or on the go.
  • REPLACEABLE BATTERIES: The SB1-R smoke alarms use a 1 year replaceable battery, while the FA6813 carbon monoxide alarms include 2 AA replaceable batteries.
  • SAFETY ASSURED: The FA6813 CO monitor meets EN 50291-1:2018 and EN 50291-2:2019 standards, and the SB1-R fire alarm complies with EN 14604:2005+AC:2008. Both UKCA certified.
Colour Brand Weight
- Fireangel 246 g
£2299
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More information and FAQs about the featured Fire Alarms in this comparison:


Technical Details
Colour White
Brand Fireangel
Weight 155 g
Advantages
  • Long-lasting
  • Enhanced sensitivity
  • Easy to install
FAQs about FireAngel ST-622T Thermoptek Smoke Alarm – 10 Year Sealed Lithium Battery, Multi-Sensor Optical Detection, Easy Install, Standalone FireAngel Smoke Alarm for Home
What is the lifespan of the Fireangel ST-622T smoke alarm?
The Fireangel ST-622T has a lifespan of 10 years.
Does the Fireangel ST-622T have a thermal enhancement feature?
Yes, the Fireangel ST-622T has a thermally enhanced optical sensor.
What color is the Fireangel ST-622T smoke alarm?
The Fireangel ST-622T is white in color.
Is the Fireangel ST-622T easy to install?
Yes, the Fireangel ST-622T is easy to install with its included mounting bracket and fixing screws.

General information you should know about Fire Alarms:


Are you concerned about the safety of your home or workplace? Have you ever considered installing a fire alarm system? Fire alarms are crucial tools for detecting and alerting people to the presence of fire or smoke, providing valuable time for evacuation and minimizing potential damage. In this article, we will provide you with general information about fire alarms and explain why you should consider purchasing one.

A fire alarm is an electronic device designed to detect the presence of fire or smoke in a specific area. It consists of several components, including smoke detectors, heat sensors, control panels, and alarm devices such as sirens or strobe lights. When a fire or smoke is detected, the alarm system will activate and alert everyone in the building to take necessary action.

The primary purpose of fire alarms is to save lives. By providing early warning in the event of a fire, they create valuable evacuation time, especially during nighttime or when occupants are asleep. This can greatly reduce the risk of injuries or fatalities. Additionally, fire alarms can also help minimize property damage by alerting authorities promptly, allowing for a faster response to extinguish the fire.

When considering fire alarm systems, it is important to choose the right one for your specific needs. There are various types of fire alarms available, including battery-operated stand-alone models and centrally monitored systems. Stand-alone fire alarms are suitable for smaller spaces or buildings with limited budgets, while centrally monitored systems are recommended for larger buildings or businesses where continuous monitoring is necessary.

Moreover, consider the features of the fire alarm system you intend to purchase. Look for advanced features such as wireless communication, which can provide reliable communication between multiple devices and improve overall system efficiency. Additionally, some fire alarm systems have built-in carbon monoxide detectors, which can further enhance your safety by alerting you to the presence of this deadly gas.

In conclusion, fire alarms are essential safety devices that can save lives and protect your property. With their early detection capabilities, they provide crucial warning signals that allow for timely evacuation and faster response from authorities. When choosing a fire alarm system, consider factors such as the size of the area, budget, and desired features. By investing in a reliable and advanced fire alarm system, you can ensure the safety of your loved ones and give yourself peace of mind. Don't wait until it's too late – make fire safety a priority and purchase a fire alarm system today.