Advertising Disclosure Combination Smoke Carbon Monoxide Detectors Comparison - August 2025
5 Best Combination Smoke Carbon Monoxide Detectors In the UK
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
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| 1 Best Choice  9.9Exceptional | 2  9.8Exceptional | 3 Best Value  9.5Excellent | 4  9.4Excellent | 5  9.3Excellent |
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ModelKidde 10SCO Combination Smoke and Carbon Monoxide Alarm with Voice Notification and Alarm - Dual CO Detector and Fire Alarm with 10 Year Sensor Life - 10 Year Warranty | Model Kidde 10SCO Combination Smoke and Carbon Monoxide Alarm with Voice Notification | Model X-Sense Combination Smoke and Carbon Monoxide Alarm with LCD Display & 10-Year Battery, Smoke Alarm for Home Compliant with EN 14604 and EN 50291 Standards, SC07 | Model Smoke & Carbon Monoxide Alarm with Digital LCD Display, AEGISLINK Combination Smoke and CO Alarm Detector with 10-Year Lifespan & Replaceable Battery and Test/Silence Button, SC200 | Model Meross Carbon Monoxide Detector, Dual Sensor Smoke and Carbon Monoxide Alarm, Smoke Alarm for Home with Test/Silence Button, 10-Year Battery Smoke Alarm, 85dB Fire Alarm, EN 14604 & EN 50291 Standard |
BrandSafelincs | Brand Kidde | Brand X-Sense | Brand AEGISLINK | Brand meross |
Reviews | Reviews | Reviews  | Reviews | Reviews |
Features | ||||
Easy installation 9.9 | Easy installation 9.8 | Easy installation 9.8 | Easy installation 9.1 | Easy installation 8.6 |
Worth the money 9.8 | Worth the money 9.1 | Worth the money 9.6 | Worth the money 8.4 | Worth the money 7.7 |
Instruction 9.6 | Instruction 9.3 | Instruction 9.3 | Instruction 9.1 | Instruction 8.9 |
Battery duration 9.6 | Battery duration 9.4 | Battery duration 9.4 | Battery duration 9.1 | Battery duration 8.6 |
Tech Specs | ||||
product dimensions 14.5 x 14.5 x 4.5 cm 350 g | product dimensions 0.1 x 4 x 15 cm 420 g | product dimensions 14.6 x 14.6 x 5.1 cm 490 g | product dimensions 13.7 x 13.8 x 5.2 cm 280 g | product dimensions 2.8 x 12 x 12 cm 135 g |
batteries 2 AA batteries required. included | batteries 1 AA batteries required. included | batteries 2 CR123A batteries required. included | batteries 1 CR123A batteries required. included | batteries 1 CR123A batteries required. included |
item weight 350 g | item weight 420 g | item weight 490 g | item weight 280 g | item weight 135 g |
batteries included Yes | batteries included Yes | batteries included Yes | batteries included Yes | batteries included Yes |
power source Battery Powered | power source Battery Powered | power source Battery Powered | power source Battery Powered | power source Battery Powered |
customer reviews4.6 4.6 out of 5 stars 4, 414 ratings 4.6 out of 5 stars | customer reviews 4.6 4.6 out of 5 stars 4, 816 ratings 4.6 out of 5 stars | customer reviews 4.6 4.6 out of 5 stars 3, 799 ratings 4.6 out of 5 stars | customer reviews 4.6 4.6 out of 5 stars 2, 142 ratings 4.6 out of 5 stars | customer reviews 4.6 4.6 out of 5 stars 1, 146 ratings 4.6 out of 5 stars |
battery cell type Alkaline | battery cell type Alkaline | battery cell type Lithium | battery cell type Lithium Metal | battery cell type Lithium Ion |
batteries required Yes | batteries required Yes | batteries required Yes | batteries required Yes | batteries required Yes |
color White | color White | color 1-pack | color White | color White |
item package quantity 1 | item package quantity 1 | item package quantity 1 | item package quantity - | item package quantity 1 |
style- | style Carbon Monoxide Alarm | style Standalone Model | style Standalone Model | style Smoke & CO Detector |
included components- | included components 1 x Kidde 10SCO combination Smoke and Carbon Monoxide Alarm | included components 1 Smoke and Carbon Monoxide Alarms, 1 Mounting Brackets, 2 Screws, 2 Anchor Plugs, 1 User Manual | included components - | included components 1 x Combination Smoke and Carbon Monoxide Detectors 1 x Mounting Bracket 1 x Screw Kit 1 x User Manual |
size- | size - | size Standalone Model | size SC200 | size 1 Pack |
Available On | Available On | Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.9
1SafelincsKidde 10SCO Combination Smoke and Carbon Monoxide Alarm with Voice Notification and Alarm - Dual CO Detector and Fire Alarm with 10 Year Sensor Life - 10 Year Warranty
9.9 Easy installation9.8 worth the money9.6 InstructionWhy we love it
Combines smoke and CO detection.
Space-saving design with voice alerts.
Long-lasting 10-year sensor life.
-
9.8
2Kidde
Kidde 10SCO Combination Smoke and Carbon Monoxide Alarm with Voice Notification
9.8 Easy installation9.4 Battery Duration9.3 InstructionWhy we love it
Voice alerts for fire and carbon monoxide.
Compact design fits anywhere in the home.
Easy installation on walls or ceilings.
-
9.5
3X-Sense34% Off
X-Sense Combination Smoke and Carbon Monoxide Alarm with LCD Display & 10-Year Battery, Smoke Alarm for Home Compliant with EN 14604 and EN 50291 Standards, SC07
9.8 Easy installation9.6 worth the money9.4 Battery DurationWhy we love it
10-year battery for continuous protection.
Dual sensors for smoke and CO detection.
Real-time CO levels on LCD display.
Our ranking system
The TopChoice.co.uk Team selects top-of-the-line items from a wide selection and conducts rigorous evaluations on almost all the products available on the internet. We rank each product based on how well it matches our criteria.We can ensure that the product is well-tested with the help of our expertise, experts, and artificial intelligence technology. TopChoice.co.uk requires consistent care for the products we review, ensuring that our assessments are always accurate and up to date.
Features
Our team of experts analyzes key attributes, capabilities, significance, and many more depending on the type of product to determine its effectiveness.
Consumer Reviews
We ensure an evaluation of the ratings using references all over the internet for each product. With the help of our AI technology and professional review teams, we give weight to the worth of individual user experiences.
Popularity
Popularity is an important criterion in choosing a product. Several factors contribute to the popularity of the products on our site, including prestige, relevance, reputation, news, and more.
Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
