Explore 16 HVAC businesses in Belfast offering heating, ventilation and air conditioning installations, repairs and maintenance. Read customer reviews, check which services each provider handles and contact suitable contractors about quotes and availability.
Heaney Heating Ltd provides expert gas boiler installations, oil-to-gas conversions, and heating system services across Belfast and Northern Ireland. With nine qualified engineers and industry accreditations, we deliver reliable, energy-efficient solutions for residential properties. Our focus on technical excellence, customer satisfaction, and flexible financing has established us as leading natural gas installers in the region.
Gas Boiler Installation
Oil to Gas Conversion
Boiler Servicing
Excellent workmanship
Very professional installation
Outstanding aftercare service
Safe Gas provides professional boiler installations, central heating services, and emergency repairs across Northern Ireland. Specialising in Gas Safe-certified solutions, we offer Worcester Bosch and Vaillant boiler installations, oil-to-gas conversions, and annual servicing. Our commitment to same-day callouts and financing options ensures accessible, reliable heating solutions for Belfast and surrounding areas.
Boiler Installations
Central Heating
Oil to Gas Conversion
Same-day service
Professional engineers
No mess left
Condensation Solutions provides expert ventilation systems to resolve condensation, mould, and damp challenges in residential and commercial properties. We design, install, and maintain high-performance solutions tailored to meet building regulations and client needs. With nationwide coverage and certified professionals, we ensure healthier indoor environments through innovative, reliable services.
Systemlink designs and manufactures patented zoning systems for heating applications. Our products streamline the creation of independent heating zones, enhancing energy efficiency and control for buildings of all types. We provide integrated plumbing, wiring, and control solutions backed by technical expertise and industry-leading support.
Heating Zone Systems
Plumbing Zoning Units
Wiring Control Systems
ATS Gas Services is a Belfast-based HVAC contractor specialising in gas and oil boiler repairs, installations, and central heating systems. We provide reliable domestic and commercial services, including emergency plumbing, industrial gas piping, and energy efficiency consultations. Our Gas Safe Registered team ensures safe, compliant solutions with a focus on customer satisfaction and competitive pricing.
Gas boiler repairs
Oil boiler servicing
Central heating installation
Montgomery Refrigeration (ARC) represents leading HVAC specialists across the UK. We connect clients with vetted contractors offering design, installation, and maintenance services for air conditioning and refrigeration systems. Our members prioritise energy efficiency, technical expertise, and rapid nationwide emergency response.
Air Conditioning
Refrigeration Systems
Installation Services
Tri Power Environmental Energy supplies and installs energy-efficient heating systems including heat pumps, underfloor heating, gas boilers, and solar thermal solutions. Based in Belfast, we operate across Northern Ireland, the UK, and Europe, offering expert installation, servicing, and 24-hour emergency support. Our commitment to quality is demonstrated through Rotex certification and a dedicated showroom showcasing operational systems for informed decision-making.
Aircon provides expert HVAC design, installation, and maintenance solutions for commercial and domestic clients across Northern Ireland. Specialising in bespoke system design, renewable heat pumps, and energy assessments, we combine 25+ years of experience with manufacturer partnerships to deliver efficient, compliant solutions. Our in-house team ensures direct project management and technical expertise from initial consultation through to ongoing maintenance.
Bespoke System Design
Renewable Heat Pumps
Energy Assessments
Sharpe Group provides expert mechanical, ventilation, and air conditioning solutions across the UK and Ireland. With 45 years of industry experience, we deliver tailored services for commercial, industrial, and public sector clients. Our commitment to quality, sustainability, and technical innovation ensures efficient, cost-effective project delivery.
Mechanical Services
Ventilation Systems
Air Conditioning
KM Technical delivers expert mechanical, electrical, and HVAC solutions across the UK. Specialising in both new installations and heritage building modernisations, we combine technical excellence with nationwide resources to ensure optimal building performance. Our client-focused approach prioritises quality, safety, and cost efficiency across commercial, residential, and hospitality sectors.
Mechanical Services
Electrical Installations
HVAC Systems
Hutton M & E Services provides comprehensive HVAC, plumbing, and siphonic drainage solutions for commercial and industrial clients across Northern Ireland. With over 30 years' experience, we deliver end-to-end mechanical engineering services including system design, installation, and 24-hour emergency maintenance. Our Gas Safe registered engineers and ISO-certified quality management systems ensure compliance with the highest industry standards.
A J Boiler & Cooker Service provides expert oil boiler and cooker repairs, servicing, and installations across Northern Ireland. Specialising in AGA, Rayburn, and Stanley cookers alongside oil-fired heating systems, we combine OFTEC-certified expertise with 16 years of industry experience. Our 24-hour emergency service ensures prompt solutions for critical heating needs.
Cool IT Refrigeration delivers commercial air conditioning and refrigeration solutions across Northern Ireland. With over 40 years of experience, we design, install, and maintain systems for businesses of all sizes, from local shops to hotels. Our services include emergency repairs, equipment supply, and servicing, all backed by a commitment to affordability and personalised care.
Devlin Mechanical is a trusted provider of mechanical services in the construction industry, specialising in heating, ventilation, plumbing, and renewable energy systems. With over three decades of experience, we deliver high-quality solutions across healthcare, education, commercial, and ecclesiastical sectors. Our skilled team ensures every project meets precise requirements, combining technical expertise with a commitment to client satisfaction.
LTHW Heating Systems
Plumbing Installations
Ventilation Installations
TEC Heating Controls develops advanced heating management systems that optimise energy efficiency for homes and businesses. Our Heat Manager solution allows zoned heating control, reducing energy waste and operational costs. With 30+ years of expertise, we deliver safe, low-voltage systems compatible with all wet central heating setups.
Multi-Zone Control
Hot Water Management
Summer Mode Settings
BL Refrigeration & Air Conditioning specialise in commercial and industrial refrigeration, air conditioning, and process cooling systems. With over 40 years of experience, we design, install, and maintain energy-efficient solutions for critical environments like data centres, clean rooms, and food production facilities. Our ISO-certified services ensure compliance, sustainability, and operational reliability for clients across Northern Ireland and beyond.