Heating & ventilation contractors in Wales

301 heating & ventilation contractors across Wales.

• A Acorn Homecover Ltd Cardiff · Heating & ventilation

  Emergency home & boiler cover that puts customers first. Protect your home with our boiler, heating, plumbing and full home cover.

• A ACS AIR CONDITIONING LTD Wrexham · Air conditioning · 1-9 employees

  ACS Air Conditioning Ltd is a UK-based company specializing in air conditioning systems. They offer installation, repair, and maintenance services for

• A Adexsi UK Barry · Heating & ventilation

  Adexsi UK provides specialist ventilation, smoke control, Brise Soleil, and daylight systems nationwide. Part of the Adexsi Group, offering personal s

• A Aer Cymru Cyf Penrhyndeudraeth · Electrical · 10-49 employees

  Aer Cymru Cyf - One stop shop for all your Electrical, Plumbing & Mechanical Needs. Offering quality Electrical, Plumbing, Mechanical, Air Conditionin

• A Albert Williams Ltd Ammanford · Heating & ventilation · 1-9 employees

  Albert Williams Ltd offers a range of plumbing and heating services across South Wales, including boiler installations, repairs, servicing, and renewa

• A All Install Ltd Newport · Plumbing

  All Install Ltd offers comprehensive boiler, bathroom & kitchen installation & maintenance services in South Wales & South West. Trusted for plumbing,

• A Altum Organisation Ltd Cardiff · Solar PV

  Expert solar PV installation, battery storage & EV chargers across UK. Premium energy upgrades for homes with 500+ installations, £150k-£250k annual s

• A Ams Heating & Plumbing Ltd Blackwood · Heating & ventilation

  AMS Heating and Plumbing Ltd, based in Blackwood, South Wales, offers comprehensive commercial and residential heating and plumbing services. Establis

• A Antlin Plumbing & Heating Ltd Swansea · Plumbing · 1-9 employees

  Antlin Plumbing & Heating offers boiler installation, repair, and servicing, alongside comprehensive bathroom and kitchen installations. With over 12

• A Apex Building And Developments Ltd Wrexham · Extensions · 1-9 employees

  Apex Building Developments is a construction management team and contractor for upcoming projects, offering a comprehensive and professional service f

• A Aqua Revival Bathrooms Ltd Swansea · Bathroom fitting

  Aqua Revival provides bathroom renovations, wet rooms and plumbing services across Swansea and South Wales. 20+ years' experience and full project man

• A ARCTIC COOLING SYSTEMS LTD Pontypool · Air conditioning

  Arctic Cooling Systems Ltd offers expert air conditioning installation, maintenance, and repair services for residential, commercial, and industrial c

• A Arwel W Williams Cyf Pwllheli · Plumbing

  Reliable plumbing & heating engineers based in Chwilog, Gwynedd. Gas Safe & OFTEC registered with 20+ years experience.

• A Ashe Renewables Colwyn Bay · Solar PV

  Ashe Renewables offers solar panels, battery storage, air source heat pumps, and EV chargers to future-proof homes and businesses, helping reduce bill

• A Astbury Heating Ltd Bangor · Heating & ventilation

  Astbury Heating Ltd: trusted central heating services in Bangor & surrounding areas. Over 35 years of experience. Local, family-run business offering

• A Atamate Solutions Ltd Cardiff · Heating & ventilation

  Atamate provides atBOS, a modern Building Management System (BMS) that is simple to install, easy to run, and cost-effective, without compromising on

• A Ayjay Group Ltd Caerphilly · Electrical

  Ayjay Group are leading electrical & refrigeration engineering specialists in Caerphilly. 25+ years serving commercial & industrial clients UK-wide.

• B B-Tech Heating Ltd Newport · Heating & ventilation

  Certified & trusted gas and heating engineers. Worcester Bosch Accredited, boiler finance quotes, covering Blackwood and surrounding areas.

• B Beaumont Installations & Maintenance Services Ltd Prestatyn · Electrical

  Beaumont Installations & Maintenance Services Ltd provides comprehensive facilities management, ensuring buildings and their services operate optimall

• B Best Choice Plumbing Llanelli · Plumbing

  Trusted plumber & heating engineer in Swansea. Boiler installation, repairs & LPG boiler specialists. Gas Safe registered. Call today for a free quote

• B Beztheat Blackwood · Plumbing

  Reliable Plumbing Services for Home and Business. Beztheat offers expert plumbing and heating solutions with over 20 years of experience, focusing on

• B Big Bear Refrigeration Ltd Penarth · Air conditioning

  Cardiff-based specialists in commercial refrigeration and air conditioning installation, repair, and maintenance. Operating across Wales and the South

• B Biocraft South East Ltd Brecon · Damp proofing

  Biocraft specialises in damp proofing, condensation control, water leak detection, and home ventilation services. With over 20 years of experience, th

• B BIOSOL RENEWABLES UK LTD Ammanford · Heating & ventilation · 10-49 employees

  Biosol Renewables UK Ltd designs, supplies, installs and maintains biomass boilers for commercial premises, offering environmentally friendly heating

• B Blue Flame Gas Solutions Porth · Heating & ventilation

  Award-winning, family-run heating engineers in South Wales. Specialising in boiler installation, servicing, and repairs for homes. Over 10 years of ex

• B Blue Mountain Air Conditioning Ltd Cwmbran · Air conditioning

  Air conditioning installation, servicing and repairs for domestic and commercial customers across South Wales and South West England. F-Gas certified

• B Boiler Install 4 You Ltd Port Talbot · Heating & ventilation

  Expert boiler installation, repair & servicing across South Wales, Bristol & Gloucestershire. Gas Safe engineers. Call for free quotes!

• B Boiler Plant Maintenance Wales Ltd Cardiff · Heating & ventilation

  Boiler Plant Maintenance Wales Ltd offers expert boiler repair, installation, and servicing across Wales. With over 25 years of experience, our skille

• B BoilerCraft Pontyclun · Heating & ventilation

  Boiler servicing, repairs and new boiler installation across Cardiff and the Vale from a local Gas Safe engineer. 100+ five-star reviews. Book online.

• B Bps Facilities Ltd Cardiff · Electrical · 10-49 employees

  BPS Facilities Ltd is a commercial property maintenance company in South Wales, offering quality engineering, repair, and maintenance services 24/7 ac

• B Brennan Plumbing Bridgend · Heating & ventilation

  Expert boiler installations in South Wales. Worcester, Ideal & Glow-worm boilers with 10-year warranties. 0% finance available. Free home surveys.

• B Brope Access Solutions Cardiff · Scaffolding

  Brope Access Solutions offers specialized rope access, facade access consultancy, and bespoke software solutions for technicians. Founded by an IRATA

• B Bs Renewables Ltd Pontypool · Solar PV

  Pontypool's local solar panel installers. Domestic & commercial solar, battery storage, air source heat pumps, insulation, ventilation across South Wa

• B Building Services Controls Ltd Swansea · Electrical

  Building Services Controls provides integrated building information technology for efficient, cost-effective solutions. Specialising in monitoring, ma

• C C J Heating Services Ltd Bridgend · Heating & ventilation

  C J Heating Services Ltd is a local domestic gas, central heating & plumbing maintenance company with over 20 years of combined engineer experience.

• C C James Carpentry & Construction Ltd Cardiff · Main contractor · 1-9 employees

  C James Carpentry & Construction Ltd, based in Cardiff, offers a comprehensive range of building services including house extensions, home renovations

• C C.B. Refrigeration Ltd Hengoed · Heating & ventilation · 10-49 employees

  CB Refrigeration provides dependable, energy-efficient, and compliant cooling solutions for commercial and industrial clients, specialising in refrige

• C C.S. Boxall Ltd Vale Of Glamorgan · Plumbing · 10-49 employees

  CS Boxall are plumbing and heating experts based in Cardiff, specialising in boiler installation, repairs, and servicing for domestic and commercial p

• C C&T Smart Energy Group Neath · Solar PV

  TrustMark-certified solar PV, battery storage, heat pump, boiler and insulation installers in South Wales & South West England. Flexible finance avail

• C Ca Jones & Son Ltd West Glamorgan · Heating & ventilation

  Family-owned company specialising in boiler repairs, servicing, and installations across South Wales. Approved service agents for Vaillant, Ferroli, a

• C Call2fix Ltd Cardiff · Electrical

  Call2fix Ltd offers professional and reliable domestic gas, electric, and plumbing repair and installation services in Cardiff. They also provide land

• C Calon yr Adref Haverfordwest · Heating & ventilation

  Calon yr Adref (Heart of the Home) supplies and installs a wide range of wood-burning stoves and multi-fuel stoves in Pembrokeshire. Offering expert a

• C Cardiff Heat Network Ltd Cardiff · Civil engineering

  CARDIFF HEAT NETWORK LTD is a company registered in the UK. The website provided is a security verification page.

• C Cardiff Heating & Plumbing (South Wales) Ltd Cardiff · Plumbing

  Cardiff Heating & Plumbing is a family-run business providing plumbing, heating installation, and building maintenance services to domestic and commer

• C Cardo Group Cardiff · Refurbishment · 250+ employees

  Cardo Group delivers building maintenance services through local businesses, focusing on total asset management for social housing. Committed to excel

• C Cariad Homes Cardigan · House builder

  Cariad Homes specializes in designing sustainable, energy-efficient homes with thoughtful, modern features. Discover your perfect living space with us

• C Carter Sustainable Construction Ltd Bridgend · M&E contracting · 10-49 employees

  Carter Sustainable Construction Limited are Mechanical / Electrical Contractors specialising in green turnkey projects, photovoltaics, heat pumps, and

• C CDS HEATING SERVICES LTD Merthyr Tydfil · Heating & ventilation

  CDS Heating Services LTD offers expert heating solutions for homes and businesses, specializing in boiler installations, system upgrades, servicing, a

• C Celsius Installations & Services Ltd Llanelli · Electrical

  Celsius are qualified & experienced electricians and air conditioning specialists based in Carmarthenshire, covering South & West Wales and beyond.

• C Celteco Ltd Bridgend · Plumbing

  Celteco is a professional, reliable and customer-friendly plumbing and heating service in Bridgend, offering 24/7 emergency call-outs and a range of i