Boiler installation, servicing, repairs and domestic air conditioning across South Wales, delivered by a Gas Safe registered and Worcester Bosch Accredited Installer.
5.0 stars|21 verified reviews
Our Services
Heating, Boiler and Air Conditioning Services Across South Wales
Boiler Installation
Supply and installation of Worcester Bosch and Ideal boilers, including full commissioning, suitable controls and manufacturer-backed warranties. All gas boiler installations are completed by a Gas Safe registered engineer.
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Boiler Servicing
Annual and one-off boiler servicing across South Wales, including safety checks, performance testing and a service record confirming the work completed. Landlord gas safety certificates are available separately where required.
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Boiler Repairs
Reliable boiler fault diagnosis and repairs across South Wales. Daniel investigates heating and hot water problems, explains the available repair options and aims to restore the system as quickly as possible.
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Air Conditioning Installation
Professional domestic air conditioning installation across South Wales, providing efficient heating and cooling for bedrooms, living spaces, home offices and other areas of the home.
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Air Conditioning Servicing
Professional servicing for domestic air conditioning systems across South Wales, helping maintain reliable performance, efficient operation and cleaner airflow.
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Air Conditioning Repairs
Reliable fault diagnosis and repairs for domestic air conditioning systems across South Wales, including units with poor airflow, unusual noises, leaks or reduced heating and cooling.
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Your Local Heating and Air Conditioning Engineer
Daniel Davies Gas has provided professional heating and plumbing services across South Wales since 2013. Daniel is a Worcester Bosch Accredited Installer and Gas Safe registered engineer, offering straightforward advice, reliable workmanship and manufacturer-backed support for homeowners throughout the region.
Serving South Wales since 2013
Worcester Bosch Accredited Installer with access to manufacturer support and eligible extended warranties
Gas Safe registered and covered by £2 million public liability insurance
12-month workmanship guarantee on completed work
Domestic air conditioning installation, servicing and repairs now available
Worcester Bosch Accredited Installer
As a Worcester Bosch Accredited Installer, Daniel Davies Gas can provide expert advice, approved boiler installations and access to extended manufacturer warranties on eligible Worcester Bosch products. Daniel also has direct access to Worcester Bosch technical support, helping to ensure each system is correctly specified, installed and commissioned. Every available warranty will be clearly confirmed at quotation stage, alongside the standard 12-month workmanship guarantee.
Worcester Bosch Accredited
As a Worcester Bosch Accredited Installer, Daniel can provide approved boiler installations, access to manufacturer support and extended warranties on eligible products.
Gas Safe Registered and Insured
All gas work is completed by a Gas Safe registered engineer and protected by £2 million public liability insurance.
Clear Warranties and Guarantees
Eligible boilers include manufacturer-backed warranties, with the exact length confirmed at quotation stage. Completed work is also supported by a 12-month workmanship guarantee.
Local, Personal Service
Customers deal directly with Daniel, from the initial enquiry and quotation through to the completed work. He serves Mountain Ash, Aberdare, Merthyr Tydfil, Cardiff and surrounding parts of South Wales.
What Our Customers Say
View all reviews“Dan is very professional and very reliable, great job on to the next plumbing project”
Paulwithers12@gmail.com Cruncher12
“I have been with Dan for years. Outstanding service everytime. Always goes out of his way to get the job done and make you smile at the same time. A rare talent in the heating industry.”
Andrew Pullman
“100% recommend Dan, very professional and gets the job done to a top standard!”
Bethan Picton
“Excellent service”
George Adkins
“good”
George Adkins
“Excellent and professional service”
Xolo Brain Gam3r