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Which HVAC Contractor Should You Choose in Wales?

Review 41 HVAC contractors across Wales, including Newport, Cardiff and Barry, and find out what each company offers. Consider customer feedback and business details, then shortlist providers who handle the type of heating or air conditioning work you need.
Bridgend County (3)
Caerphilly County (1)
Cardiff County (4)
Ceredigion (3)
Conwy County (6)
Denbighshire (2)
Flintshire (2)
Isle of Anglesey (2)
Neath Port Talbot (2)
Newport County (6)
Pembrokeshire (2)
Powys (1)
Swansea County (1)
Torfaen (2)
Vale of Glamorgan (3)
Wrexham County (1)
Aberystwyth (1)
Barry (3)
Blackwood (1)
Bridgend (2)
Cardiff (4)
Cardigan (2)
Colwyn Bay (2)
Conwy (2)
Cwmbran (1)
Deeside (1)
Haverfordwest (1)
Holyhead (1)
Llandrindod Wells (1)
Llandudno (2)
Llangefni (1)
Llangollen (1)
Maesteg (1)
Milford Haven (1)
Neath (1)
Newport (6)
Pontypool (1)
Port Talbot (1)
Shotton (1)
St Asaph (1)
Swansea (1)
Wrexham (1)
Not rated yet
Harvey Developments
Not rated yet
We have over 35 years' experience in commercial HVAC installations
Trusted HVAC specialists with 35+ years' experience providing ducting, ventilation, and air conditioning solutions across the UK. Full-service commercial installations and repairs.
Site Planning Surveys & Reports Ductwork Installation
01952 769759 Call Profile
Not rated yet
KLM Plumbing & Heating Services
Emergency
Not rated yet
We have over 20 years' experience in domestic plumbing and heating
KLM Plumbing & Heating Services offers reliable plumbing, heating, and gas services in Cardiff. With over 20 years' experience, we guarantee quality workmanship and competitive rates.
Bathroom installations Boiler services Central heating
07947 726161 Call Profile
Not rated yet
Peter O'Neill Services
50+ Years
Emergency
Not rated yet
We have over 60 years of experience in heating installations and maintenance.
Established in 1963, Peter O'Neill Services provides boiler installations, central heating maintenance, and fireplace solutions across South Wales. Gas Safe-certified engineers offer 24/7 emergency services and comprehensive maintenance plans.
Boiler Installations Central Heating Systems Central Heating Maintenance
01633 627200 Call Profile
Not rated yet
Gareth Williams Heating
19 Years
Not rated yet
We have over 30 years of experience in boiler installations
Professional boiler installations, servicing, and central heating systems in Newport and South Wales. Gas Safe Registered with 10-year warranties and over 750 reviews.
Boiler Installations Central Heating Systems Boiler Servicing
07770 693170 Call Profile
Not rated yet
J Taylor Plumbing & Heating
Not rated yet
We have over 20 years of experience in domestic and commercial plumbing and heating engineering.
Trusted plumbing and heating engineers in North Wales offering boiler installations, renewable energy solutions, and 24/7 emergency services. Worcester Bosch accredited with 20+ years' experience.
Gas boiler installation Central heating systems Plumbing repairs
01407 749137 Call Profile
AW Renewables
16 Years
Emergency
Not rated yet
AW Renewables
16 Years
Emergency
Not rated yet
30+ years of combined experience in plumbing and heating solutions.
Trusted plumbing, heating, and renewable energy solutions in Wrexham. 30+ years' experience, GasSafe accredited, 24/7 emergency callouts. Free consultations and 10-year warranties.
Boiler Installation Central Heating Renewable Energy
07860 563827 Call Profile
Not rated yet
S & G Air Conditioning Contracts
27 Years
Emergency
Not rated yet
We offer over 20 years of specialist HVAC experience since 1999
Expert HVAC design, installation, and aftercare services across the UK from S & G Air Conditioning Contracts. Serving commercial sectors with regional offices in London, Wales, and the Midlands since 1999.
Design Installation After Care
01446 720404 Call Profile
Not rated yet
NWT Direct
Not rated yet
We offer a curated selection of products from trusted UK brands
Discover top-quality radiators, towel rails, baths, and more at NWT Direct in Conwy. Competitive prices, expert service, and a wide range of products to meet all your bathroom and heating needs.
Bathroom Design Service Trade Account Setup Product Delivery
01492 573738 Call Profile
Not rated yet
Anglesey Heating & Plumbing
Not rated yet
Family-run business with decades of local experience in heating and plumbing
Trusted heating and plumbing solutions across Anglesey, Gwynedd & North Wales. From boiler services to renewable energy installations, Anglesey Heating & Plumbing offers reliable, accredited expertise for homes and businesses.
Boiler Servicing Gas Central Heating Oil Boiler Installation
01248 722203 Call Profile
Not rated yet
Ivor Cook
Not rated yet
20 years' experience in plumbing with Gas Safe registration
Professional heating, plumbing, and electrical services across South Wales. Gas Safe, NICEIC, and MCS-certified engineers for installations, maintenance, and renewable energy solutions in Newport, Cardiff, Bristol.
Heating Installation Plumbing Services Electrical Work
01633 255900 Call Profile