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Steve and Daniel were quick and efficient came out at short notice found and fixed the fault within the hour Definitely recommend Will be using them again Debbie and lee

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Explore hundreds of carbon monoxide alarm installers on Rated People, ready to protect your home and family from the silent killer. Whether you need hardwired, interconnected alarms to meet new rental regulations, battery-operated smart detectors integrated into your home network, or a safety audit of your fuel-burning appliances, our platform connects you with experienced local electricians and heating specialists who deliver life-saving workmanship.


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Why professional carbon monoxide alarm installation matters

Carbon monoxide (CO) is a highly toxic, entirely invisible gas with no taste or smell. It is produced when fuel-burning appliances, such as gas boilers, log burners, open fires, or cookers, fail to burn fuel completely due to poor ventilation or a technical fault. Because you cannot see or smell a leak, having functioning, professionally placed carbon monoxide alarms is the only reliable way to detect its presence before it causes severe health complications.

While standalone, battery-powered stick-on detectors are widely available, a professional installation provides a completely different level of household security. An expert technician ensures your alarms are placed at the exact heights and distances required to catch rising gases effectively. Furthermore, qualified installers can hook up hardwired systems that interconnect with your existing smoke and heat alarms, ensuring that if a danger is detected in a remote utility room, every alarm in the house sounds simultaneously to wake your family.

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Understanding different types of CO alarms

Hardwired (mains-powered) alarms

These detectors are permanently wired directly into your home’s electrical circuit. They are exceptionally reliable because they do not rely on standard replaceable batteries to function, though they do feature a hidden backup battery in case of a power cut. Hardwired alarms are the preferred choice for comprehensive home renovations and are legally required under many modern building and regional rental regulations.

Wireless interconnected alarms

These modern systems can be either mains-powered or sealed long-life battery units. They utilise radio-frequency technology to link multiple alarms across a property together. If one sensor detects a carbon monoxide leak downstairs, it instantly signals all the other interconnected units across bedrooms and hallways to activate. This setup is highly recommended for multi-storey homes where a localised alarm might not be loud enough to hear through heavy doors.

Legal regulations and optimal placement

The legal requirements surrounding carbon monoxide alarms have tightened drastically in recent years across the UK. For example, regulations demand that a carbon monoxide alarm must be fitted in any room containing a fixed fuel-burning appliance (excluding rooms used solely for cooking in some regions, though it is still highly recommended). Landlords face strict legal penalties and steep fines if they fail to supply and test these devices at the start of a new tenancy.

The precision of positioning

Carbon monoxide mixes evenly with room air but is often carried upward by the warm air currents generated by boilers or fires. A professional installer will strictly follow British Standard guidelines (BS EN 50292), ensuring detectors are placed between 1 and 3 metres away from the potential fuel source, either mounted on the ceiling or high up on a wall well clear of dead-air pockets, doors, windows, or extractor fans that could artificially dilute the gas sample.

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Other carbon monoxide alarms FAQ's

Where exactly should carbon monoxide alarms be installed in a home?

Alarms should be fitted in every room that contains a fuel-burning appliance, such as a boiler, wood burner, or gas fire. They should be positioned on the ceiling or high up on a wall, between 1 and 3 metres horizontally away from the appliance. Additionally, placing an extra alarm near or just outside main bedrooms ensures the siren is loud enough to wake you up if a leak occurs overnight.

What is the difference between a smoke alarm and a carbon monoxide alarm?

Smoke alarms detect optical or thermal particles caused by active combustion and fire. Carbon monoxide alarms measure the chemical parts-per-million (ppm) of toxic CO gas accumulating in the air from incomplete fuel burning. Because they track completely different household hazards, a standard smoke alarm will not detect carbon monoxide, and a CO alarm will not detect smoke. You must have both installed.

How long do carbon monoxide alarms last before they need replacing?

Even if the test button still triggers a beep, the internal chemical sensor that detects carbon monoxide naturally degrades over time. Most high-quality CO alarms have a lifespan of 7 to 10 years from the date of manufacture. A professional installer will always check the expiration date stamped on the side of the unit and advise when the entire device needs a full replacement.

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LS Construction LTD avatar

LS Construction LTD

Carbon Monoxide Alarms - Installation

Hi, my name is Lukasz and I've got 15 year experiences in building. We are specialited on general building and roofing.

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Reviewed by Sandra on 30/4/2017

Renovation of two bathrooms. Fab job. Both look amazing. Fix mainly as I supplied fittings. Very polite, very knowledgeable, and very helpful. Fully recommend Lukasz and his company.

Finally working for myself after many years of experience working for others. This is a new dawn for me, where I can promise a prompt, polite service that will not over charge or rip you off. There is no such thing as a job that is too small. Give me a go

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Reviewed by Garry on 22/4/2017

Frank is reliable, competent, friendly and gets on with the job without fuss and his charges seem very fair and reasonable. We will be engaging him for many more jobs in the future and we are glad to have found him, thanks to Rated People!

Hi I’m Ricky of third generation electrical, lets start with the name.... so as I’m sure you’ve guessed I’m a third generation electrician following on from my grandfather and father. We have over 100years experience in the electrical trade under our belts combined and I grew up helping out both my grandfather and father to earn my pocket money. Now at the age of 35 and nearly 20 years experience myself I’ve decided to set up third generation electrical and put all the knowledge we have gained to good use in and around Bristol, the company is new and it’s just me working atm but who knows where we could be in 2019?? One thing I can promise is I will always be somewhere when I say I will and I’m very punctual also cleanliness is a must so will always have a dust sheet and tidy up behind myself. Thanks for reading this description and I hope you pick third generation for your job but even if you don’t I wish you all the best... Ricky Howell

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Reviewed by Thom on 2/2/2026

fast and efficient

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Decor-Plast

Carbon Monoxide Alarms - Installation

Our company Construction and Renovation work of 25 years. At this time, we have gained a wealth of experience backed by references received from our customers. Cost estimates are free of charge. Professionalism guaranteed.

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Reviewed by Sarah on 2/11/2016

Greg is a very helpful and professional. Arrived when he said he would and gave sound advice on a very tricky guttering problem.

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DG CLEANERS UK LTD

Carbon Monoxide Alarms - Installation

DG cleaners UK LTD is a London-based professional cleaning company offering a wide range of cleaning services for homes, flats and offices throughout all London and suburbs. Our professional cleaners are well experienced in taking on end of tenancy deep cleaning, carpet cleaning, windows cleaning etc. We guarantee a high quality standard cleaning service for our valued customers. Don’t hesitate to get in touch with through our contact details.

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Reviewed by sabrina on 26/6/2026
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Granite Coatings

Carbon Monoxide Alarms - Installation

We are family based team covering most trades including carpentry and joinery, decorating, kitchen fitting, extensions, loft extensions and electrical works at good competitive prices.

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Reviewed by Steve on 17/11/2021

David is extremely hard working and a very pleasant, friendly and polite person. His decorating is first class l have no hesitation in recommending him to anyone needing a painting job. He is also very reasonably priced, all round top tradesman.

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BYKO

Carbon Monoxide Alarms - Installation

Byko is a family owned business . Our workforce is fully qualified and experienced at working in domestic and commercial properties and carrying out construction services, property maintenance and installation work for our customer.

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Reviewed by Hussain on 15/5/2017

Excellent, can't praise them enough. Professional job.

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Sergiu Dragomir

Carbon Monoxide Alarms - Installation

Hello, my name is Sergiu, I’m a professional multi skilled refurbisher. I’m happy to complete quality jobs for all homeowners that are interested in my services. We are a small team that can complete a various range of jobs (ventilation, duct fitting, air conditioning, plumbing, carpentry, painting, decorating, tilling, professional cleaning). I believe that with the professional skills that we possess and the experience that we have, we’ll prove to be qualified to complete any challenge and to make our customers happy. I have an experience more than 6 years in plenty refurbishment projects. I will consider myself lucky to make your property look better. Don’t hesitate to contact/hire me and I will give you good quality work for competitive prices.

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Reviewed by Melisha on 31/7/2024

Friendly and professional. Dismantled furniture efficiently. Would highly recommend

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Newlek services

Carbon Monoxide Alarms - Installation

Newlek Services is a small electrical contracting company with over 30 years experience in many electrical fields. Commercial, domestic and industrial. Installation and maintenance. Home and office networks.

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Reviewed by Delores on 5/6/2026
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lincs building services

Carbon Monoxide Alarms - Installation

I have been in the building trade for 20 years and I specialize in property renovation but I have worked on new builds

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Kyri Christofi

Carbon Monoxide Alarms - Installation

We have been in the electrical installation business for just over 15 years, fully experience in many aspects of electrical installation. No job is too small to do and no job is to big to attempt. I feel I have great communication skills and a great way with words that will help you understand how I plan on completing the job you’ve asked.

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Reviewed by Mark on 14/4/2023

I can recommend Jordan unreservedly. Very pleased with the standard of work, timeliness and tidiness! A real pleasure to have met him through this website.

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Future Projects

Carbon Monoxide Alarms - Installation

Ace Gas Services avatar

Ace Gas Services

Carbon Monoxide Alarms - Installation

Ace Gas NW Ltd are a Wigan based company working on domestic, industrial and commercial dwellings. We are a specialised heating company that offers unbeatable customer service. We have a team of fully qualified engineers from all aspects from plumbing to commercial gas aspects and operate from our base in Wigan and cover all of the North West.

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Reviewed by Heather on 24/8/2023
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BTR Electrical Services

Carbon Monoxide Alarms - Installation

We offer all electrical works for domestic, commercial and industrial premises, from light fitting changes to full rewires with testing, inspecting and Part P Certification provided. As a NICEIC certified member with 12 years experience in electrics, we offer a friendly, professional and affordable service with an 'attention to detail' approach to all projects. We are committed to provide the highest standard product/workmanship at very competitive prices.

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Reviewed by George on 13/6/2020

Ben and his colleague turned up on time and did the work efficiently and tidily. I would not hesitate to invite him to do further work.

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A T Eletrical Services

Carbon Monoxide Alarms - Installation

A&T Electrical Services is a company with 15 years of experience. We understand that the market is full of specialists, but we also know that it is hard to find punctual, reliable and hardworking professionals. That is why we pay great attention to detail, trying to meet the expectations of each client. We specialize in home installations, car chargers, garden lighting, etc.

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Business

Carbon Monoxide Alarms - Installation

SK Electrical (NW) Ltd avatar

SK Electrical (NW) Ltd

Carbon Monoxide Alarms - Installation

35 years experience in Industrial / Domestic and Commercial Electrical Installations.17th Edition qualified and very friendly person hopefully to deal with your requirements.Living in Bolton but cover virtually all the North and South of Manchester.

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Reviewed by Wayne on 1/6/2020

Great service. Good workmanship

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SARA LEVY DESIGNS LTD

Carbon Monoxide Alarms - Installation

We are a female managed team of builders with an in house designer that specialise in full property renovations. We can help with layouts and design, sourcing and installation to match your style and budget. We have a full profile of the work we have done in London under the company London Flat Renovations, over the past 9 years, and have won the Best of Houzz award for customer service for the past 6 years.

We are N.I.C.E.I.C. Approved Contractors and Domestic Installer registered electricians, with over 26 years experience and background knowledge in the electrical contracting sector.Our electricians are all J.I.B. Approved and hold current E.C.S. Cards.

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Reviewed by Penelope on 14/1/2018

Great service and helpful advice for the Pulsscoil repair. Would highly recommend.

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