Heating & ventilation contractors in Wales

301 heating & ventilation contractors across Wales.

• J Jrs Mechanical Services Ltd Abergele · M&E contracting · 50-249 employees

  JRS Mechanical designs, installs and maintains mechanical, electrical, and facilities systems across healthcare, education, and commercial sectors. Tr

• J Jsh Plumbing & Heating Ltd Barry · Plumbing

  Plumbers and Heating Engineers in Barry, JSH Plumbing & Heating Ltd offers expert plumbing and heating solutions with over 30 years of experience. Gas

• J JSM HEATING SERVICES LTD Pontypool · Heating & ventilation

  Expert boiler and central heating engineers providing installation, repair, and servicing. Offering dependable heating services with a 12-month workma

• J Jv Ventilation Ltd Newport · Heating & ventilation · 1-9 employees

  JV Ventilation Ltd specialises in Mechanical Ventilation with Heat Recovery (MVHR) systems, offering design, supply, installation, and commissioning s

• K K S Barry (Plumbing & Heating) Ltd South Glamorgan · Plumbing · 10-49 employees

  Providing mechanical and associated services solutions on commercial construction projects with exceptional quality, attention to detail and site safe

• K Kevco Construction UK Ltd Rhyl · Main contractor · 1-9 employees

  Kevco Construction UK Ltd is a professional building company in North Wales, specialising in high-quality property improvements and maintenance for do

• K KHS Group Ltd St. Asaph · M&E contracting

  KHS Group provides mechanical, electrical, and renewable building services, including air conditioning and commercial refrigeration, for commercial, i

• K Krols Brothers Ltd Swansea · Refurbishment

  Krols Brothers Ltd is a family-run construction and renovation company offering services across Wales and the South West of England. Specializing in r

• L L A Emery Building Services Ltd Cardiff · Main contractor · 1-9 employees

  LA Emery Building Services Ltd is a 4th generation company with 50 years of combined experience, offering high-quality building and improvement servic

• L Laver Group Ltd Pontypridd · Heating & ventilation · 50-249 employees

  Est. Since 1981 Specialising in heating, electrical and renewable energy. We help domestic, public, and private sector clients meet their obligations

• L LAW Construction Rhyl · Main contractor · 10-49 employees

  LAW Construction delivers commercial building, maintenance and public sector services across North Wales and the North West.

• L Lee Wright Plumbing & Heating Ltd Wrexham · Plumbing

  Providing services for all of your home maintenance requirements in and around Wrexham, including heating, plumbing, bathrooms and repairs.

• L Leetech Gas Engineers Ltd Cwmbran · Plumbing

  Leetech Gas Engineers Ltd is a professional and Gas Safe registered plumbing and heating company based in Newport, specialising in the repair and upgr

• L Let's Heat Cardiff · Heating & ventilation

  New boilers, boiler installation, servicing, repairs, and air conditioning across Cardiff, South Wales, and Bristol with Gas Safe registered engineers

• L Limitless Energy Ltd Swansea · Solar PV

  Limitless Energy is a leading installer of renewable heating and electrical systems in South Wales, specialising in Solar PV, Heat Pumps, and EV Charg

• L Lloyd & Gravell Ltd Llanelli · Main contractor · 50-249 employees

  Lloyd & Gravell are one of Wales's leading construction firms and a national award-winning contractor. They construct, refurbish and repair buildings

• L Lmb Plumbing & Heating Ltd Bridgend · Plumbing

  Gas Safe registered boiler installation, servicing and repair across Bridgend, Pencoed and South Wales. Fixed prices from £1,900, owner-led, and rated

• L LMG Home Improvements Ltd Port Talbot · Insulation

  With over 15 years of experience in the insulation and heating industries LMG Home Improvements provide an expert service throughout Wales and the Wes

• L Localtradesuk Ltd Newport · Plumbing · 1-9 employees

  LocalTradesUK is a team of trusted local professionals offering a range of property services in Cardiff and Newport. Call us today!

• L Lsv Water Ltd Swansea · Plumbing

  LSV Water Ltd is a company based in Swansea, UK. The company's website is currently unavailable due to a server error.

• L LV PLUMBING & GAS LTD Neath · Plumbing

  LV Plumbing & Gas Ltd offers expert plumbing, heating, and engineering services in Neath Port Talbot and South Wales. With over 12 years of experience

• M M.J. Harris Domestic Repairs Cardiff · Plumbing

  MJ Harris are specialist engineers for domestic repairs including plumbing, drainage, and boiler repairs, servicing South Wales and West of England.

• M M&E Connect Mountain Ash · M&E contracting

  M&E Connect delivers expert mechanical and electrical design, installation, and maintenance services across the UK. With 30+ years of experience, M an

• M Madley Renewables Cardiff · Heating & ventilation · 10-49 employees

  Sustainable heating solutions from Madley Renewables. Save money, reduce your carbon footprint, and enjoy a greener future.

• M MAINTY Group Newport · Refurbishment · 10-49 employees

  MAINTY Group is your one-stop shop for property, refurbishment, development, planned and reactive maintenance, and facilities management. Operating as

• M Mb-Lec Ltd Newport · Electrical

  MB-lec Ltd is a family-run electrical and heating installation company with over 30 years of experience. They offer design, installation, and maintena

• M Menai Heating Ltd Llandudno · Solar PV · 10-49 employees

  Menai Heating Ltd: Renewable energy specialists delivering expertly engineered renewable systems. Commercial solar, heat pumps, and air conditioning.

• M Menai Heating Ltd Llandudno · Solar PV

  Menai Renewables are energy specialists delivering expertly engineered renewable systems for homes and businesses. We offer bespoke commercial solar s

• M Mjs Energy Ltd Presteigne · Heating & ventilation

  MJS Energy design, supply and install heat pumps and renewable energy systems. Based in Presteigne, they offer national coverage for domestic and comm

• M Modest Property Services Newport · Heating & ventilation · 1-9 employees

  Modest Property Services offers quality home improvements, renovations, repairs, and maintenance in Newport, Cardiff, and South Wales. Get a free quot

• M Monnow Eco Plumb Ltd Monmouth · Plumbing

  Plumbing, heating & renovation specialists in Monmouth, Wales. Bathrooms, boilers and full renovations. Covering South Wales & England.

• M Msh Building Ltd Cwmbran · Refurbishment

  Family-run business serving since 2001, specializing in high-quality projects and maintenance for Registered Social Landlords, Local Authorities, and

• M Multi-Heat Services Ltd Pontypridd · Heating & ventilation

  Multi-Heat Services Ltd offer domestic and commercial heating, ventilation, air conditioning and other plumbing and boiler services in Pontypridd and

• M Murray’S Plumbing & Heating Services Ltd Blackwood · Plumbing

  Murray's Plumbing & Heating offers professional and reliable plumbing and heating services in Blackwood, Caerphilly. Gas Safe Registered, they provide

• N NAAMEC Swansea · House builder · 1-9 employees

  NAAMEC is an award-winning family business based in Swansea, specialising in constructing luxury new-build housing developments across South Wales.

• N Narbeth'S Mechanical Services Ltd Bridgend · Heating & ventilation · 10-49 employees

  Narbeths Mechanical Services is a building services contractor specialising in mechanical services, commercial gas, and maintenance. Established in 19

• N Nationwide Retrofit Cardiff · Insulation

  Nationwide Retrofit Ltd specialises in reducing carbon footprints through retrofit work in the housing sector, primarily utilising grant funding for i

• N Neath Gas Services Ltd Neath · Heating & ventilation

  Neath Gas Services offers expert gas boiler, heat pump, and hot water cylinder services in Neath, Port Talbot, Swansea, and Bridgend. Gas Safe & BPEC

• N Newydd Maintenance Limited Cardiff · Refurbishment

  Newydd Maintenance Limited is an in-house contractor providing responsive and planned works to Newydd Housing Association, part of the Cadarn Housing

• N Nexosters Plumbing Swansea · Heating & ventilation

  Professional boiler installation and heating system optimisation in Swansea & South Wales. Gas Safe registered engineer. Powerflush included.

• N Noble Civil Engineering Ltd Ferndale · Civil engineering

  Noble Civil Engineering is a civil engineering company in South Wales providing specialist building contractor and project management services and con

• N Nrg Heating & Plumbing Services Ltd Tredegar · Plumbing

  Experienced Plumber & Qualified Gas Engineer. New Boiler Installation, Bathroom Fitting, Boiler Servicing & Commercial Works across Rhymney Valley.

• O Oak Tree Energy Bridgend · Solar PV

  Oak Tree Energy is a not-for-profit organisation focused on improving home energy performance. They offer surveys and help secure funding for solar pa

• O Off Grid Heating Ltd Monmouth · Heating & ventilation

  OFTEC approved installers of air source, ground source, water source and other off-grid heating solutions in Monmouthshire, Wales, Herefordshire, Glou

• O Oliver’S Services Ltd Pontypridd · Plumbing

  Oliver's Services offers tailored commercial plumbing, heating, renewables & sprinkler systems. Contact us for reliable solutions today!

• O ONE-STOP APPLIANCE REPAIRS Caerphilly · Electrical

  One Stop Appliance Repairs offers reliable appliance repairs in Cardiff, Caerphilly, and Newport. Authorised repair agents for Domestic & General and

• O ORANGE LLAMA Cardiff · Design & build · 1-9 employees

  Orange Llama offers design and construction innovation in South Wales, specializing in smart technology integration for dream builds and renovations.

• O Owain Pritchard Ltd Wrexham · Security systems

  Owain Pritchard is a multi-discipline business in Wrexham, North Wales, offering quality service and craftsmanship across domestic, commercial, and in

• O Owen & Palmer Ltd Bangor · Electrical

  Leading industrial electrical contractor servicing North & Mid Wales, managing installations, construction and facilities for complete solutions and a

• P Paige Plumbing And Heating Ltd Burry Port · Plumbing

  Family-run plumbing and heating specialists serving Burry Port and surrounding areas. Offering boiler installations, repairs, servicing, and bathroom