Ayrshire: 01292 619 799 | East Kilbride / Paisley: 01355 203 333
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24/7 Helplines:

Office/Sales: Open Mon-Fri, 8am-5pm

Head Office Ayr: 01292 619 799
Kilmarnock: 01563 840059
East Kilbride / Paisley: 01355 203 333
Ayrshire: 01292 619 799
East Kilbride / Paisley: 01355 203 333

Gas Boiler & Heating installation

Gas Boiler Installation

An old gas boiler can be costly, not just in terms of repairs but also on your heating bill as it won’t be as energy efficient as a modern boiler. So, whether you’re looking to replace your boiler as it’s at the end of its working life, or to save money, O’Neil’s can help you.

O’Neil Gas install more than 400 gas boilers each year, this is our 30th year in business & are seen as experts in our field. We have established ourselves as the go-to company when it comes to installing new gas boilers for clients from Ayrshire, South Lanarkshire, Renfrewshire and Glasgow. Known for our unrivalled service and professionalism in fitting new boilers & full heating systems.

We work with several top manufacturers to provide a fantastic range of boiler models to ensure that the solution we install is based on what is the best solution for each client.

Unlike other online national boiler businesses, we don’t use sub-contractors, all our engineers are employed directly with the company, we find this is the best way to ensure we can control the workmanship of all our installs.

We have excellent reviews, 4.5 out of 5 on Google Reviews & 9.88 out of 10 from Checkatrade, both independent review sites. We have a large workforce of 20 engineers which allows us to provide an excellent aftercare service which sets us apart from other smaller businesses who don’t have the same resources. With O’Neil’s you will always have someone to speak to at every stage of the job 24/7 365, as well as offering all our clients their first annual service for free.

Our installation advice and boiler quotes are carried out by our Gas Safe Registered Engineers who have also been trained by our partner manufacturers, we don’t use sales agents & we also have a online quote portal on our main O’Neil Boiler Company website that provide in more in depth information on a range of gas boilers & controls we offer, as well as allowing you the opportunity to get an estimate of cost from the comfort of your own living room.

Get A Quote

Click here to request a quote

Call Us

Click here to speak to one of our staff.

Visit our brand new dedicated O’Neil Boiler Company website!

Find out more about the boilers & controls we sell and get a guide price for a new boiler to suit your property in under 60 seconds!

Save up to £480

How much does a new boiler cost?

Our standard install bundle includes:

  • A free, no obligation quote and technical review – and a fixed price promise
  • No upfront deposit, and payment due within 30 days of the install being completed
  • A-Rated Baxi boiler
  • Fitting kit and flue pack, including Carbon Monoxide detector
  • Magnetic filter
  • Full system chemical flush
  • Programmable room thermostat
  • Minimum 2-year warranty, extendable to 10 years
  • Most boilers installed in one day
  • Removal and safe disposal of your current boiler
  • A free annual service for the first year worth £78

PLUS: A free annual service for the first year, worth £78, to maintain your boilers warranty as well as make sure your boiler is working safe & efficient

Variations, upgrades and other parts of your heating system

If you don’t have a combination boiler or need a different output level, don’t worry. We install boilers of all capacities and types – so if you’ve got a heating system that’s a little bit different or includes cylinders, we can still help. If you want to change from or to a Combi, then we can help with that too. If you’re unsure what type you have or would be best suited to you, you can check our Help section.

Plus, as well as replacing the boiler we’re also able to move it to somewhere else in your property, upgrade or install new radiators and towel rails and add thermostatic radiator valves. We’re also happy to upgrade your home to Smart Heating Controls so you can control your heating and hot water from anywhere, saving you even more on your energy bill. Whether it’s a full installation, or a smaller job, we can assist.

The boiler installation process

We’ll organise a visit with one of our engineers who will discuss the installation and boiler options with you and we’ll provide a quote either via email or in hard copy shortly afterwards. Our preferred partner is Baxi, but we can also install Worcester Bosch, Vaillant, Ideal, Vokera, and Alpha boilers.

We’ll follow up with you to discuss the quote, answer any questions you may have, and ask what you’d like to do next, but there’s no obligation, or pressure to go ahead then and there.

If you’d like to progress, we’ll arrange everything for you. We’ll organise a convenient date with you and explain how best to prepare your home. The installation usually takes less than a day to complete and once it’s done we’ll tidy everything up and leave the area we’ve worked in clean and safe. We’ll explain how to work your new boiler and its controls too. We’ll certify the install is completed and once you’ve signed that you’re satisfied with the works we’ll send you the invoice, and your warranty.

To get a free, no-obligation visit scheduled, complete the contact form and we’ll get back to you asap to discuss a convenient appointment time, or please call us on 01292 619799 or 01355 203 333. Still not sure? Have a look at our Help content for more information.

One Boiler = Three Trees

For every boiler ordered with O’Neil Gas we will plant 3 trees through our partner Ecologi 🌱

Trees are one of the best tools we have in removing carbon pollution from our atmosphere. All of the trees in the O’Neil Gas virtual Forrest will quietly absorb and lock away carbon from the atmosphere over their lifetimes.

Based on scientific research of mangrove forests, we know that a hectare of mangroves can sequester 3,082 tonnes of CO2 over a 25-year life time. Or 308KG per tree.

At O’Neil Gas we know how important the planet is to future generations & we are committed to playing our part to save the planet one day at a time.

Take a look at our virtual forest and keep an eye on its progress over the months and years.

Google 4.5 / 5 Reviews
Which 4.6 / 5 Review

Join the ever growing group of O’Neil happy customers…