











Boiler Installation and Replacement
Switch into a modern, more energy-efficient boiler that helps you save more without losing your comfort.
Choose from our wide range of top-rated boilers from leading UK manufacturers, fitted by our team of fully trained Gas Safe registered engineers with extensive experience in installing gas boilers since 1974.
Choosing your new boiler doesn’t have to be complicated. Our team is ready to provide you with a free quote and expert guidance that’s tailored to help you find the best solution for your heating needs.
Whether you’re replacing an old boiler or installing one in a new home, you can count on Rowlen for any boiler service that you need. We aim to make sure your new boiler works flawlessly and keeps your home safe and comfortable.
Why Choose Rowlen
Exclusive In-House Engineers
We are a heating company that values quality service that is known of Rowlen. All our local heating engineers are qualified professionals who exclusively work with our company; no subcontracts!
Expertise Across Brands
Our Gas Safe engineers are expertly trained to install gas boilers from leading brands such as Vaillant, Honeywell Boiler, Glow Worm, Ideal Boiler, Worcester Bosch, Halstead Boiler, Baxi Boilers, and more.
Transparent and Straightforward Pricing
We offer upfront estimates and detailed quotes to ensure our customers understand the costs and many benefits associated with our services.
Same-Day Response
We value your time. Our customer support will respond to your call and attend to your needs within the hour whenever possible.
12 Month Guarantee
We complete each job to the highest standards in our workmanship, which is why we offer a 12-month guarantee in every boiler service.
How it Works with Rowlen
Face to Face Quotes
Our team will work with you and arrange a final site survey appointment that fits your schedule. We will assess the size of your property, your budget, and your heating and hot water needs to determine the type and brand of boiler that best suits for your home. We will then provide a fixed price quote for the expected boiler installation cost.
Installation
We make the work easy for you. After securing all the necessary permits, our boiler engineers will carry out the installation process with very minimal disruption, including the removal of the old boiler if you booked for a replacement.
Testing
The heating engineer will run standard operational tests to make sure that the new boiler is connected to the heating system and every component is working properly to avoid any future boiler problem.
Support
Don’t worry, the engineer will demo all the controls of your new boiler! We will provide a handover pack with all the relevant documents for future boiler maintenance and support. Our friendly team will address all of your concerns so feel free to ask any questions; we also offer service plans after!
When to Replace Your Boiler
Is your old boiler giving you the cold shoulder? Don’t wait for a total boiler breakdown! We list down the tell-tale signs to watch out for when it’s time to book for a boiler replacement.
Choosing the Perfect Boiler
It’s time to book for a cosy upgrade and keep your home warm and toasty all year round. Find out how to pick the boiler that’s just right for your home sweet home.
Benefits of a New Boiler
Discover the amazing perks of installing a new boiler, from cutting-edge efficiency and lower energy bills to a more comfortable and eco-friendly home.
How to Save Energy
Go green and save yourself from the horrors of high energy bills. Check out these tips to make the most of your new boiler!
Fully Accredited for your peace of mind









Get an instant online quote it minutes
If you'd like an instant online quote - click the arrow and you can use our online tool.
Boiler Installation FAQs
How long does it take to complete standard new boiler installations in Crawley?
The time to install new boilers varies. Simple installations may take one day, while more complex jobs, like switching to a different type of boiler or making modifications, could take up to three days. The type of boiler plays a factor, as well. For example, a combi boiler is quicker to install compared to a conventional model. After assessing your situation, the heating engineer will provide the expected cost and duration of the entire process.
Do you install all types of boiler?
Rowlen provides services specifically for gas boilers only. All our Gas Safe engineers are carefully trained and completely qualified to work with all types of gas boilers such as system boilers, conventional boilers, and combi boilers.
Whether you wish to have a Worcester Bosch combi boiler or a new Vaillant system boiler installed, our boiler fitters have the knowledge and expertise to install it with accuracy and precision.We understand that each type has its own unique requirements so we tailor our approach to suit the specific needs of your boiler. When you choose us, you can trust that your boiler is in capable hands, regardless of its type.
Just a heads-up, though! We don’t service oil, LPG, and electric boilers. For further information, reach out to our experts at 020 8395 8616.
How do I avoid the need for frequent boiler repairs on my newly installed boiler?
Although it does not totally remove the possibility of a breakdown, a regular boiler servicing is a cost-effective preventative maintenance that can help you avoid having to book too many emergency boiler repair service. Here in Rowlen, we offer an annual service to help you keep your boiler’s performance in its optimum efficiency and reduce its chances of unexpected breakdowns, which can be a real hassle especially when it happens during the colder months.
Tucking away cash every year to book for a professional service is a small price to pay in exchange of your home’s warmth, safety, and comfort. After all, well-maintained heating systems have high energy efficiency, making you save money on your monthly bills.
When you book for a boiler maintenance, our experienced heating engineers can easily identify potential issues before they become major problems, helping you avoid a more costly repairs. Moreover, a regular servicing is highly recommended by most boiler manufacturers to keep your warranty valid.
Does Rowlen offer central heating services in Crawley?
Yes, we provide central heating services across Crawley. Whether you need central heating system installation, maintenance, or repair, our Gas Safe registered engineers are sure to deliver an efficient service.
Our goal is to ensure that all central heating systems in Crawley operate at peak efficiency, reducing energy consumption and costs while maintaining a comfortable environment in your property. With our expertise, you can trust that your heating systems will be working efficiently, providing reliable warmth throughout the year.