Boiler Installation

Professional Boiler Installation Services You Can Trust

When it comes to installing a new boiler in your home, you need experienced engineers you can rely on. At Hollis Plumbing and Gas Ltd, we've been installing boilers across Cardiff and South Wales for over 22 years. As Gas Safe registered engineers, we have the expertise and qualifications to ensure your new boiler is installed safely, efficiently, and to the highest standards.

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Premium Boiler Brands We Install

We specialise in fitting premium boiler brands that deliver reliability and performance. Our team is fully trained and experienced in installing:

Baxi – Known for their efficiency and build quality, Baxi boilers offer excellent value and performance for homes of all sizes.

Worcester Bosch – Industry-leading boilers backed by exceptional warranties, Worcester Bosch is a trusted name in home heating.

Alpha – Compact, efficient, and reliable, Alpha boilers are perfect for properties where space is at a premium.

Vaillant – German engineering excellence, Vaillant boilers combine cutting-edge technology with outstanding efficiency ratings.

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Why Choose Hollis Plumbing and Gas Ltd?

With 170+ Checkatrade reviews and a perfect 10/10 rating, our reputation speaks for itself. We're a local, family-run business that takes pride in delivering not just quality workmanship, but exceptional customer service from start to finish.

Our clients expect a certain level of service, and we're committed to exceeding those expectations every time. From your initial enquiry through to the completion of your installation, we'll guide you through the entire process, helping you choose the right boiler for your home and budget.

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Our Boiler Installation Process

Free Consultation – We'll assess your property, discuss your heating needs, and recommend the most suitable boiler for your home.

Transparent Pricing – You'll receive a detailed, no-obligation quotation with no hidden costs.

Professional Installation – Our Gas Safe engineers will install your new boiler efficiently, causing minimal disruption to your daily routine.

Full Testing & Certification – We'll thoroughly test your new system and provide all necessary certification and documentation.

Aftercare Support – We're here for you long after installation with ongoing maintenance and servicing options.

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Get an Instant Boiler Estimate Online

Want a quick idea of how much your new boiler could cost before booking a consultation? Use our simple Boiler Estimate Tool to receive an instant, tailored estimate based on your home and heating needs. It only takes a minute to complete and gives you a clear starting point with no obligation.

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Serving Cardiff and South Wales

Based in Cardiff, we provide boiler installation services throughout South Wales. Whether you're replacing an old, inefficient boiler or installing heating in a new property, our local team is ready to help.

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Get Your Free Boiler Installation Quote

Ready to upgrade your home heating? Contact Hollis Plumbing and Gas Ltd today for a free, no-obligation quotation. With over two decades of experience and a perfect Checkatrade rating, you can trust us to deliver outstanding results. Call us today to discuss your boiler installation requirements.

Not sure where to start? Our online Boiler Estimate Tool can give you a fast, personalised estimate before speaking with our team.