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Trusted Gas Boiler Installation & Servicing in Belfast
Action Plumbing and Heating has been a trusted name in gas boiler installations and servicing in Belfast since the 1980s. As a third-generation family-run business, we combine traditional craftsmanship with modern technology to deliver expert heating solutions. Our Gas Safe registered engineers provide professional boiler installations, annual servicing, and emergency repairs across Greater Belfast. With over 30 years of experience, we pride ourselves on reliability, technical expertise, and exceptional customer service. Our team, including certified professionals Dominic, Ryan, Joe, and Dessie, ensures every project meets the highest safety and quality standards. We maintain industry-leading credentials through Worcester Bosch Gold Accreditation and Vaillant Advanced Installer status, offering extended warranties on premium boiler brands.

Our commitment to excellence has earned multiple awards and a loyal customer base of over 10,000 satisfied clients. We provide automatic service reminders and transparent pricing for boiler breakdowns, with rapid response times for urgent heating issues. Our Gas Safe registered engineers complete thorough safety checks and issue landlord gas safety certificates for rental properties. Through consistent investment in staff training and cutting-edge equipment, we maintain our position as Belfast's No.1 gas boiler specialists while preserving the personal service values of a family business.
Services
Boiler Servicing Gas Boiler Installation Emergency Repairs Landlord Certificates Gas Safety Checks
Highlights and features
  • Family-run business with 30+ years of local experience
  • Gas Safe registered engineers for complete safety assurance
  • Worcester Bosch Gold Accreditation with 10-year warranties
  • Multi-award-winning service quality and customer satisfaction
  • Rapid response for emergency boiler repairs
Associations and certifications
  • Gas Safe Register
  • Worcester Bosch Gold Accredited
  • Vaillant Advanced Installer
What people say
Excellent job Prompt service Professional engineers Clean work Satisfaction guaranteed
Services
Boiler Servicing
Our Gas Safe engineers perform comprehensive boiler servicing to maintain efficiency and safety. Regular maintenance prevents breakdowns, preserves warranties, and ensures compliance with safety standards. Customers receive detailed gas safety certificates after each service.
Gas Boiler Installation
We install high-efficiency gas boilers from Worcester Bosch and Vaillant. As Gold Accredited and Advanced Installers, we offer extended warranties up to 10 years. Our engineers complete installations with minimal disruption to your home.
Emergency Repairs
Fast response for urgent boiler issues with same-day or next-day appointments. Our rapid response team minimises downtime using transparent pricing: 90 for the first hour and 50 for each additional hour.
Landlord Certificates
We provide legally required landlord gas safety certificates. Our engineers conduct thorough inspections of boilers and gas appliances, issuing official certificates for tenants and landlords after each safety check.
Gas Conversion
Professional conversion to high-efficiency gas boilers with potential 300 annual savings. We handle all aspects of natural gas boiler installation, offering environmental benefits and improved home heating efficiency.
People
Dominic McCartney
Director
Second-generation heating engineer with 30+ years' experience leading Belfast's No.1 boiler specialists. Maintains Gas Safe registration and industry accreditations while overseeing daily operations and service quality.
Ryan McCartney
Senior Engineer
Third-generation heating expert trained to Gas Safe standards. Specialises in modern boiler installations while maintaining traditional craftsmanship values. Handles complex installations and customer consultations.
Joe
Certified Engineer
Experienced Gas Safe registered engineer with specialist training in Worcester Bosch and Vaillant systems. Focuses on emergency repairs and boiler servicing with consistent customer satisfaction ratings.
Dessie
Technical Engineer
Skilled heating technician with expertise in gas safety compliance and boiler diagnostics. Provides reliable service across Belfast while maintaining strict safety protocols during all installations and repairs.
Questions
What gas boiler services do you offer in Belfast?
We provide boiler installations, annual servicing, emergency repairs, gas safety checks, and landlord certificates. Our Gas Safe engineers handle all boiler types with Worcester Bosch and Vaillant specialist accreditation.
How much does a boiler service cost?
Standard gas boiler servicing costs £25, including safety checks and certificate. Breakdown repairs start at £90 for the first hour with £50 hourly rates thereafter. Conversion discounts available.
Why convert to a gas boiler?
Gas boilers offer 90% efficiency compared to 60% for old oil boilers, potential £300 annual savings, instant hot water, and reduced carbon footprint. Natural gas provides reliable 24/7 heating without fuel storage.
Are you Gas Safe registered?
Yes, we're fully Gas Safe registered (BT11 9GJ). Our engineers complete annual training to maintain certification. Visit the Gas Safe Register website to verify our credentials and service history.
Do you offer emergency boiler repairs?
Yes, we provide rapid response with same-day or next-day service for urgent heating issues. Our Belfast-based engineers carry common replacement parts to resolve most breakdowns immediately.