Heating & ventilation contractors in Northern Ireland

131 heating & ventilation contractors across Northern Ireland.

• A Adair Building Services Ltd Banbridge · M&E contracting

  Adair Building Services offers high-quality electrical and mechanical services, specializing in design, build, and maintenance projects across various

• A Ads Mechanical Ltd Ballynahinch · Plumbing

  Providing top plumbing, heating, roofing, electrical, and joinery services across Northern Ireland for both residential and commercial clients.

• A Advanced Engineering Group Omagh · M&E contracting · 10-49 employees

  Advanced Engineering Group delivers specialist MEP, cabling and pipe fabrication services for commercial and industrial projects across the UK & Irela

• A AE Global Londonderry · M&E contracting

  AE Global (formerly Allpipe Engineering) are Mechanical and Electrical Contracting Specialists with offices in Northern Ireland and England. Founded i

• A Aed Boiler Services Ltd Cookstown · Heating & ventilation

  AED Boiler Services Ltd are a professional, reliable and fully qualified Boiler Servicing & Repair Company operating in Cookstown & the Mid-Ulster are

• A Alternative Heat Ltd Banbridge · Modular & offsite construction · 1-9 employees

  Alternative Heat Ltd. are leading suppliers and installers of Offsite Fabrication solutions, specialising in Prefabricated MEP Solutions across the UK

• A An1 Plumbing & Heating Ltd Crumlin · Plumbing

  AN1 Plumbing & Heating offers expert plumbing and heating services in Belfast. Reliable repairs, installations, and maintenance with top-notch custome

• A ANTRIM ELECTRICAL & MECHANICAL ENGINEERS LIMITED Belfast · Electrical · 50-249 employees

  Antrim Electrical & Mechanical Engineers Ltd (AEM) provides project solutions in construction through excellence in design, installation and completio

• A Apple Orchard Construction Ltd Armagh · Main contractor · 10-49 employees

  Apple Orchard Construction is a leading construction company based in Armagh, with offices in Belfast and Dublin, serving clients across Ireland and t

• A Ats Gas Services Ltd Belfast · Plumbing

  ATS Gas Services offers a full range of gas and oil services, including boiler installation, servicing, and repairs, alongside expert plumbing and ele

• B B Jones Plumbing And Heating Ltd Craigavon · Plumbing

  B Jones Plumbing & Heating Ltd offers comprehensive plumbing and heating services in Northern Ireland. Gas Safe registered and OFTEC registered, we pr

• b b4b Renewables Belfast · Solar PV · 1-9 employees

  Engineer-led renewable energy solutions since 2010, offering Solar PV, battery storage, and heat pump systems for homes and businesses to cut energy c

• B B9 Energy Storage Ltd Larne · Solar PV

  B9 Energy is a leader in green energy from renewables like wind and solar, developing Power-to-X clean energy solutions for a carbon-neutral future.

• B Ballymena Mechanical Ltd Ballymena · Plumbing

  B-Mech Mechanical Services provide quality mechanical services installation and commissioning for construction projects across Northern Ireland.

• B Bd Mullan Plumbing & Heating Ltd Coleraine · Plumbing

  Trusted plumber in Coleraine with over 23 years' experience. Expert plumbing, oil boiler services, central heating, and bathroom installations. Free q

• B Belfast Gas Ltd Belfast · Heating & ventilation

  Belfast Gas is a family-run company specialising in the installation, repair, and servicing of gas and oil boilers in Belfast and Northern Ireland. Th

• B BPC Ventilation Store Larne · Heating & ventilation

  Independent suppliers of MVHR units, extractor fans and ventilation solutions for trade professionals in Ireland and the UK.

• B Braham Group Ltd County Down · Electrical

  Braham Group has over 50 years of experience in electrical contracting, mechanical contracting, and street & flood lighting across the UK and Ireland.

• B Brian Thompson Ltd Co.Down · Heating & ventilation · 1-9 employees

  Thompson Engineering Agents are local contacts for UK/European building services leaders, stocking products and offering technical support to consulta

• C C H P Mechanical (Ni) Ltd Newcastle · Plumbing

  C H P Mechanical (Ni) Ltd is a plumbing company based in Newcastle, registered at Companies House in 2026.

• C C H P Mechanical Services Ltd Dundrum · Heating & ventilation

  CHP Mechanical Services Ltd is a renewable energy and commercial heating installation company, offering bespoke solutions from design to commissioning

• C CALLAN INSULATION LIMITED Downpatrick · Insulation

  Industrial insulation specialists in Northern Ireland. Pipe, tank, vessel, and duct insulation. Sheet metal fabrication for HVAC, marine, petrochemica

• C Cd Mechanical Services Ltd Larne · Plumbing

  CD Mechanical Services Ltd is a Mid Ulster based commercial plumbing and heating company operating throughout the UK and ROI. We specialise in commerc

• C CFM Castledawson · M&E contracting · 250+ employees

  CFM deliver totally integrated building service solutions throughout the public & private sector, delivering high quality, fully transparent services.

• C Chill Gas Ltd Belfast · Heating & ventilation

  Family run boiler and heating engineers across Belfast and Northern Ireland. New boiler installations, repairs and servicing with 24-hour call-outs an

• C Cl Boiler Services Ltd Craigavon · Heating & ventilation

  OFTEC registered professionals based in County Armagh, Northern Ireland, offering oil-fired boiler servicing and repair, oil uplift, and tank replacem

• C Cmk Mechanical Services Ltd Dungannon · Heating & ventilation · 1-9 employees

  CMK Mechanical Services Ltd are leading mechanical contractors delivering high quality, innovative projects within strict timeframes and budgets.

• C Cooltech Refrigeration (Ni) Ltd Newry · Air conditioning

  Cooltech Refrigeration is a family-run business in Newry, Co. Down, offering prompt & professional refrigeration and air conditioning services to comm

• C Crosby Windows (Ni) Ltd Belfast · Glazing

  Crosby Windows, based in Belfast, offers expert double glazing installation services across Northern Ireland. Specialising in windows, doors, conserva

• C Cyclone Air Conditioning & Ventilation Ltd Armagh · Air conditioning · 1-9 employees

  Cyclone Air Conditioning & Ventilation provides installation, maintenance, and repair services for air conditioning and ventilation systems across the

• D D J R PLUMBING & HEATING SERVICES Ballymena · Plumbing

  DJR Plumbing and Heating Services are committed to offering reliable, high quality services to meet the needs of our residential and commercial custom

• D DG Gas Safety Ltd Belfast · Heating & ventilation

  A local, reliable, award-winning heating company specialising in gas and oil boiler services, installations, and repairs for homeowners and landlords.

• D Diamond Property Maintenance NI Belfast · Roofing

  Diamond Property Maintenance NI offers property maintenance in Belfast & NI. 30+ years experience, £10M insured, 5.0 Google rated. Services include cl

• D DJH Boiler Services Newtownards · Heating & ventilation

  DJH Boiler Services are natural gas, LPG and oil boiler specialists. Family run father & son team with over 25 years' experience in boiler servicing a

• D DOHERTY BUILD LTD Newry · Main contractor · 1-9 employees

  Doherty Build is a construction and civil engineering firm with over 40 years of experience. They specialize in quality workmanship, eco-build systems

• E Eb Gas Services Ltd Newry · Heating & ventilation · 10-49 employees

  EB Gas Services offers a wide range of gas-related services including LPG supply, appliance installation, servicing, and catering equipment solutions

• E Eco Heat NI Carrickfergus · Heating & ventilation

  EcoHeat NI provides expert heating services including boiler replacements, servicing, repairs, power flushing, and renewable energy solutions.

• E Elec Co Facilities Management Crumlin · Electrical · 1-9 employees

  Elec Co Facilities Management offers high-quality electrical and facilities management services across Ireland & UK. With over 15 years of experience,

• E Enercon Ecv Ltd Armagh · Electrical · 1-9 employees

  Expert in Electrical and Automation Systems, offering Control and Automation, Electrical Systems, and Smart Home Technology solutions.

• E ERM Engineering + Construction Londonderry · M&E contracting

  ERM Engineering + Construction provides specialist engineering and construction support services to the hi-tech and life sciences sector.

• F Fg Fegan & Co Ltd Newry · Painting & decorating

  FG Fegan offers specialist surface preparation, industrial paint spraying, and chemical cleaning services. They focus on safeguarding and aestheticall

• G G.S. Stothers M&E Engineering Ltd Newtownards · Heating & ventilation · 10-49 employees

  G.S Stothers Smoke Ventilation Specialists are Northern Ireland's number one choice for smoke control systems.

• G Gallagher Hvac Europe Ltd Omagh · Heating & ventilation

  HVAC and refrigeration specialists for data centers, residential, and pharmaceutical facilities. Operating across London, Berlin, Stockholm and many m

• G Gas Design Solutions Ltd Newtownabbey · Plumbing · 1-9 employees

  Gas Design Solutions Ltd - Professional commercial gas installation, plumbing and heating services across Northern Ireland.

• G Glenvac Ventilation Ltd Newry · Heating & ventilation

  GlenVac offers a wide range of ventilation, heat recovery and ducting systems for domestic, commercial and industrial clients across Ireland.

• G Gmc Consultancy Ireland Ltd Londonderry · M&E contracting

  GMC Consultancy provides M&E design, renewable energy solutions, BIM, and project management for hospitality, education, and healthcare sectors.

• G Green Future Homes Ltd Armagh · House builder · 1-9 employees

  Green Future Homes specialises in Insulated Concrete Form (ICF) construction, building high-performance zero carbon homes for self-builders, land-deve

• G GREENLIGHT GAS LTD Belfast · Plumbing

  Greenlight Gas Ltd is a plumbing and heating company in Belfast, offering gas, oil, and plumbing services for homes and businesses. They have over 20

• G Grove Electrical Services Ltd Dungannon · Electrical

  Grove Electrical and Mechanical Services provide complete design, build, project management and installation of electrical and mechanical services for

• H Hanna Mechanical Ltd Belfast · Plumbing

  Hanna Mechanical Ltd provides expert mechanical service installations, from maintenance to repairs, ensuring efficiency and reliability in every proje