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46 Years
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Expert Gas Boiler Services in Belfast
Action Plumbing & Heating has been a trusted name in Belfast's heating industry since the 1980s, delivering expert gas boiler installations and servicing for over 30 years. As a family-run business spanning three generations, we combine traditional craftsmanship with modern technology to ensure reliable, efficient solutions. Our Gas Safe registered engineers, including directors Dominic and Ryan McCartney, prioritise safety and quality in every project.

With multiple industry awards and a team of certified professionals like Joe and Dessie, we guarantee 100% customer satisfaction. Our commitment to excellence is reflected in our 10,000+ satisfied customers and partnerships with leading brands like Worcester Bosch and Vaillant. We offer 24/7 emergency services, annual maintenance reminders, and transparent communication to ensure peace of mind for Belfast homeowners and landlords.
Services
Gas Boiler Installation Boiler Servicing Breakdown Repairs Landlord Certificates Conversion to Gas
Details
  • Year established: 1980
Highlights and features
  • Gas Safe registered engineers with 30+ years of local experience
  • Award-winning family-run business prioritising customer satisfaction
  • 24/7 emergency boiler repair service available
  • Partnership with Worcester Bosch and Vaillant for extended warranties
  • Proven track record with 10,000+ satisfied customers
Associations and certifications
  • Gas Safe Register
  • Worcester Bosch Gold Accredited
  • Vaillant Advanced Installer
What people say
Excellent job Smooth installation Engineer was excellent Left site clean Delighted with results
Services
Gas Boiler Installation
We install high-efficiency gas boilers from Worcester Bosch and Vaillant, offering up to 10-year warranties. Our Gas Safe engineers ensure safe, compliant installations that improve energy efficiency and reduce carbon footprints. Modern systems provide instant hot water and lower energy bills.
Boiler Servicing
Professional boiler servicing maintains safety, efficiency, and warranty validity. Our engineers perform comprehensive checks, issue gas safety certificates, and identify potential issues. Regular maintenance reduces breakdown risks and extends boiler lifespan for Belfast homeowners.
Breakdown Repairs
24/7 boiler breakdown service minimises downtime with same-day or next-day visits. Certified engineers diagnose faults promptly, providing transparent cost estimates before repairs. Labour rates start at 90 for the first hour, with parts priced separately.
Landlord Certificates
We issue Landlord Gas Safety Certificates after thorough inspections of rental property boilers. Certified engineers ensure compliance with legal standards, providing documentation for tenants and landlords. Annual checks maintain tenant safety and property compliance.
Conversion to Gas
We convert properties to natural gas systems, offering energy savings of up to 300 annually. Services include boiler replacement, pipework installation, and compliance certification. Gas conversions provide cleaner, more efficient heating compared to older oil systems.
People
Dominic McCartney
Director
With over 30 years in the heating industry, Dominic leads Action Plumbing & Heating's technical operations. He ensures all installations meet Gas Safe standards while maintaining the family business's reputation for reliability and craftsmanship.
Ryan McCartney
Co-Director
Third-generation engineer Ryan oversees daily service operations, combining modern techniques with traditional skills. He manages customer communications and service scheduling to maintain the company's 100% satisfaction guarantee.
Questions
How long does a gas boiler service take?
A standard service takes 30-45 minutes, including safety checks and efficiency testing. Engineers issue gas safety certificates post-service.
Can you issue a landlord gas safety certificate?
Yes, our Gas Safe engineers provide Landlord Gas Safety Certificates after inspecting all gas appliances in rental properties.
What are your emergency repair costs?
Labour starts at £90 for the first hour, with additional hours at £50. Parts are priced separately based on required replacements.
Do you offer boiler replacement warranties?
Yes, Worcester Bosch and Vaillant boilers come with up to 10-year warranties when installed by our accredited engineers.
How can I schedule a service?
Contact us via phone or email with your boiler details and preferred time. We'll arrange a visit from a Gas Safe engineer.
Reviews (5)
Kevin Drayne
Dec 07, 2024 Report
Action plumbing did a great job installing our new gas boiler. Dominic was very thorough in understanding what we already had and made recommendations. Joe and Dominic did a very tidy job installing it, overall very happy.
Joe McKeown
Dec 02, 2024 Report
Thank you Ryan great professional job sorting out the service and the other problem which was needed to be fixed hopefully see you next service time many thanks again
Jeff Blair
Aug 13, 2021 Report
Dominic, Ryan and the team at Action Plumbing are exceptional. They did work on my commercial property and were diligent, punctual, tidy and exceptionally professional from start to finish.
Paul Devlin
Mar 06, 2021 Report
After having issues for the past few years with my bath and shower water temperature I decided to replace my 10 year old gas boiler for a new one. Well the differance is amazing. I would just like to thank Ryan and Chris from Action Plumbing for their professionalism and quality of their work. The differance between the way the new boiler and old boiler was fitted is like night and day. Great job lads.
Teresa Lynas
Mar 24, 2019 Report
need my boiler replaced. called Action plumbing for some advice. Ryan fitted me in that day as i had no heating or hot water. within a few days i had boiler replaced. professional and efficient job well done. Highly recomended.