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Good smoke detectors warn you early when there’s a real fire and give you time to escape, but shouldn’t go off every time you singe the fish fingers. As our smoke alarm buying video above explains, there are three types of alarm – including two varieties of smoke alarms, and a heat alarm. Read on for more information about the different types of alarm and how to decide which is best smoke alarm in UK 2022 for your home.
Use our smoke alarm reviews to find out which models passed the Which? tests.
Top 10 Best Smoke Alarm in UK 2022
1. Google Nest Protect Smoke Alarm
The Google Nest 2nd Generation wired smoke alarm is simple to install (though it may take a bit more work since there is no room in the back of the housing to hide the wire).
It’s also simple to set up and use, and once everything is in place, it puts your mind at ease. The device has a Split-Spectrum sensor, an electrochemical carbon monoxide sensor, a heat sensor, a humidity sensor, an occupancy sensor (120o field of view to 20 feet), and an omnidirectional microphone and speaker.
The siren can generate up to 85 decibels of sound power, and the LED ring can generate RGB colours for visual warning. The alarm can detect both fast and slow-burning fires and warns users of carbon monoxide poisoning. Furthermore, you can use the Nest app to silence the alarm or stay up to date on the status of your home even when you’re not there.
It also alerts you when the battery runs low or if a sensor fails. Finally, the device performs routine tests (to identify any issues) and can communicate with other Nest devices in the home, allowing them to work together to prevent unfortunate accidents.
2. FireAngel WHT-630Q Radio-Interlink Heat Alarm
This smoke alarm is small, durable, and simple to install. It also has a long-lasting internal battery that does not require your attention during the specified lifespan (or at least most of it).
Because each device can wirelessly communicate with up to 50 others, it’s simple to cover the security of a large home from top to bottom. Once one alarm is triggered, the others will follow suit, using a pattern that indicates the nature of the emergency (heat, carbon monoxide, or smoke).
Furthermore, because you can silence all alarms except the initiating one, it’s simple to pinpoint the source. These alarms feature Thermistek technology (which constantly monitors for an increase in the rate of temperature change), allowing them to respond two times faster than other conventional heat alarms.
This is why they work best in the kitchen, where the vast majority of house fires start.
3. Kidde 10SCO Combination Smoke and Carbon Monoxide Alarm
If you’re worried about both CO and fires, get a combination alarm. The voice alarm will notify you of which concern has been detected, allowing you to determine how you should respond.
When dangerous levels have previously been detected, but the threat remains, the peak level memory will notify you via voice and LED, encouraging you to act. If there is a false alarm and you are confident that there is no threat, a hush button will temporarily silence the alarm.
There is also a test/reset button, which allows you to keep track of the manual checks to ensure the sound is still working. The actual alarm is nice and noisy, although we will say that the voice is a little quieter and it can be hard to make out what it is saying, but the alarm is the most important thing.
When it comes time to replace the battery, a front-loading battery compartment simplifies the process. This will save you from having to disconnect and refit the entire unit. To install it for the first time, simply screw the plastic backplate to the ceiling and then slide the smoke detector onto the backing.
When we tested it, it was one of the most prone to false alarms, and other reviewers agreed. But if you want a 2 in 1 and something easy to look after, then it is an alarm from a reliable brand which is worth a shot.
4. Aico EI141RC Mains Ionisation Smoke Alarm
A mains-powered smoke alarm with a 9V battery backup in case of a power outage. We like how this alarm can be linked to up to 20 other alarms, so if one goes off, they all go off, providing you with strong alert power.
Fitting is a breeze thanks to the abundance of holes in the base plate, which can be matched up with any existing holes to ensure less mess. The alarm is nice and loud when it goes off, so even if you only have one or two in your home, you should be able to hear them throughout the house.
It has a plethora of 5* reviews everywhere you look, so there is no denying that it is a reliable product. You can test it or silence it with a single button, making it simple to keep track of.
Changing the battery is a pain because the model is clunky and difficult to get back onto the plate, but once done, you shouldn’t have to touch it for a long time.
5. FireAngel ST-622 Optical Smoke Alarm
When it comes to smoke alarms, FireAngel is a well-known and trusted brand. Over 90 percent of the UK Fire Service recommends and uses their products.
This one has Thermoptek technology, which means it can detect both smouldering slow fires and rapid temperature rises, indicating a fast fire.
If your end-of-life alarm is beeping and you’re about to go to bed but will get another one tomorrow, you can use the Sleep Easy function to silence it for 8 hours to get some shut-eye. In the event of a known false alarm, it can also be silenced for about ten minutes until you’ve used the extractor fan and tea towel to waft the smoke away.
With the purchase, you receive a battery that should last for about ten years. It’s worth noting that this battery isn’t replaceable, so if it dies, you’ll have to buy a completely new unit.
It is nice and adaptable because it can be placed in the bedroom, living room, hallway, landing, and dining room. It’s debatable whether it will last the full ten years, but the price isn’t prohibitively expensive, so it shouldn’t be a problem if it doesn’t.
6. Netatmo Smart Smoke Alarm, 10-Years Battery life, Connected Smoke, Self-Testing, No Hub Necessary
Netatmo is a great brand when it comes to smart home equipment, and this Smart smoke alarm is less expensive than similar competitors if you’re on a tight budget.
Real-time alerts can be sent directly to your connected smartphone, so you’ll be notified of any issues even if you’re not at home. When you’re at home, the 85 dB alarm will be audible from 3 metres away.
False alarms can also be silenced directly from your phone. This is useful if you’re in the middle of frying a steak and don’t want to leave it unattended, or if you can’t reach the alarm to turn it off without using the end of a mop or standing on steps.
It is battery powered, so there is no need to worry about wiring when you install it. Simply stick it to the ceiling and download the app to get everything set up. The Netatmo app works on all iOS and Android devices. However, keep in mind that it does not work with smart speakers but does with HomeKit.
The ten-year battery should last for the entire replacement deadline period, and because it is a standalone product, you don’t need any fancy smart hubs or controls, or any of Netatmo’s cameras/sensors, to get it working.
Keep in mind that it is not a carbon monoxide detector, as some other smart sensors are.
7. FireAngel SB1-R Smoke Alarm
This low-cost smoke alarm has a lot going for it for six pounds. Its optical technology detects slow-smoldering fires and sounds the alarm, allowing you and your family to flee before it’s too late.
Where should smoke detectors be installed?
The FireAngel SB1-R smoke alarm is ideal for use in the bedroom, living room, or landing (but not the kitchen). It is powered by a 9v battery, which must be replaced once a year. The device has a 10-year product life and a 3-year warranty. It is certified to BS EN 14604: 2005, as are all of the smoke alarms described here.
8. FireAngel ST-622T
The FireAngel ST-622T employs an optical sensor, which is ideal for detecting the majority of household fires. It also has clever built-in technology that detects any sudden rise in temperature, triggering enhanced sensitivity. This enables the device to sound the alarm for both slow-smoldering and fast-flaming fires. According to the manufacturer, this smoke detector will respond twice as fast as a standard alarm. The sealed lithium battery is expected to last ten years, which is also the length of the warranty.
Smoke alarms are simple to install.
There are no wires to connect with a battery detector, making installation quick and simple. Furthermore, you will not need to replace the battery with this model, though you must still check the alarm on a regular basis.
The FireAngel ST-622T smoke alarm is an excellent product. This device is a great choice for most homes because of its great technology, low price, and long warranty.
9. Fireangel Ht-630
The best heat detector is required in kitchens and garages. Most rooms in your home require a good smoke detector, but not the kitchen or garage. In this case, a heat detector is required, and the FireAngel HT-630 is ideal. Almost two-thirds of all house fires begin in the kitchen. Installing an early warning alarm for less than £20 makes perfect sense.
Where should a heat detector be used?
The heat detector differs from a smoke detector in that it detects significant temperature increases rather than smoke. The FireAngel HT-630 heat detector is ideal for use in kitchens and garages.
What causes smoke detector false alarms?
False alarms have no benefit to anybody. Burnt toast is likely to set off a standard smoke alarm. A heat detector in your kitchen, on the other hand, will prevent false alarms and keep your family safe.
The FireAngel HT-630 heat detector is ideal for your kitchen and/or garage due to its 10-year battery, product lifecycle, and guarantee.
10. Kidde Firex KF20
The Kidde Firex KF20 is a mains-powered smoke alarm with a battery backup. The optical sensor is best suited for slow-smoldering fires, such as those caused by electrical problems or foam-filled furniture or bedding. Furthermore, as opposed to ionisation alarms, a smoke alarm with an optical sensor is less likely to be triggered by steam or cooking.
The best smoke alarm for home renovations and additions
A hardwired system has the advantage of sounding all alarms in your home if one sensor is triggered. Even if you’re sleeping at the top of the house and a fire breaks out in your kitchen, you’ll hear the alarm. This type of system is a building regulation standard for the majority of new construction and renovation projects.
Mains-powered smoke alarms must also be replaced.
Every ten years, your smoke alarms must be replaced. If you already have the wires in place, this is a fairly simple task. The Kidde Firex KF20 Optical Smoke Alarm is ideal for replacing old mains-powered alarms or meeting building codes for extensions and renovations.
How to buy the best smoke alarm in UK 2022
Which type of smoke alarm should you buy: ionisation, optical, or heat alarm? Learn how to select the best smoke alarm for your home.
How much should you spend on a good smoke alarm?
Our smoke alarm tests show that you don’t have to spend a fortune to get good value. You can get an excellent Best Buy smoke alarm for under £20, and we’ve seen alarms that cost much, much more fail our tests. Purchasing a more expensive model may imply that you will receive additional features such as a 10-year battery, an emergency light, or even smoke alarms that communicate wirelessly with one another.
What type of smoke alarm is best for my home?
Smoke alarms with ionisation The air between two electrodes is ionised by ionisation alarms. These are positively and negatively charged, causing a small current to flow within the chamber. Smoke particles disrupt the current’s balance. When this occurs, a signal is sent to the integrated circuit, and an alarm is triggered. These alarms are more sensitive to smaller particles of smoke produced by flaming fires than optical alarms and are more easily triggered by cooking, resulting in false alarms.
Optical smoke detectors Light sensors are used in optical (or photoelectric) alarms. They have an infrared LED that pulses a beam of light into the sensor chamber every few seconds to check for smoke particles. When smoke enters, infrared light is scattered onto the photodiode light receptor, causing an alarm to sound. They detect larger smoke particles emitted by smouldering fires.
What exactly are smart smoke alarms?
Smart smoke alarms, like traditional smoke alarms, are designed to sound an alarm when they detect smoke. The ability to send alerts to your phone when there is a fire is the smart smoke alarm’s unique selling point. If you’re out when there’s a fire, this could be critical. We’ve only tested optical smart smoke alarms.
Some smart smoke alarms are far superior to others in terms of alerting you to the presence of smoke, both in terms of how quickly they detect smoke and the methods they employ. When triggered, some smart models sound an alarm on your smartphone as well as through the alarm itself – this is the most useful type of smart alarm. Others will sound the alarm through the alarm unit but then send texts or emails to your phone instead of sounding an alarm on your phone. So, if you’re not at home and not near your phone when the messages arrive, you won’t know the alarm was going off.
Smoke alarms are important for the safety of your home, so they are a must-have. However, it takes a bit of research to understand which model suits your needs the best smoke alarm in UK 2022.
For example, if you have a large house, you’ll want interconnected units that can communicate with one another.
On the other hand, if you want to keep an eye on your home’s security while you’re away, a few smart units that can send regular reports and alerts may be a better option.
In the end, the decision you make will affect you for at least a few years (many units are designed to last about ten years), so do your homework thoroughly.
Begin by reading our reviews, and don’t forget to consult the buying guide – it’s extremely useful!