Heating & ventilation contractors in Wales

301 heating & ventilation contractors across Wales.

• C Celtic Cooling And Heating Ltd Cardiff · Air conditioning · 1-9 employees

  Celtic Cooling & Heating are air conditioning, refrigeration, and ventilation specialists based in Cardiff, serving commercial, industrial, and domest

• C Cimelli Heating Ltd Prestatyn · Heating & ventilation

  Cimelli Heating Ltd, based in Prestatyn, offers professional plumbing and heating services including boiler servicing, repairs, installations, and lan

• C City Energy Llanishen · Heating & ventilation · 50-249 employees

  City Energy offers accredited courses for the renewable energy sector, including heat pumps, Solar PV, and EV Chargers. Providing quality services sin

• C City Energy Facilities Management Ltd Llanishen · Plumbing

  City Energy Facilities Management Ltd is a plumbing company based in Llanishen, registered at Companies House in 2021.

• C Clarke Ground Maintenance Ltd Abergavenny · Landscaping

  Expert Tree Surgery, Landscaping, Groundworks & Operated Tractor Hire across Wales and the South West of England. Serving Monmouthshire, Powys, Glouce

• C Climac Ltd Cardiff · Air conditioning

  Climac specialises in innovative heating, ventilation, and air conditioning (HVAC) systems designed for maximum efficiency and minimal environmental i

• C Clockwork Building and Maintenance Cardiff · Electrical · 1-9 employees

  Clockwork Building and Maintenance offers a comprehensive range of building, maintenance, and specialised services for homes and businesses, focusing

• C CMB Engineering Cardiff · M&E contracting

  CMB Engineering is a leading independent building services contractor in England and Wales, established in 1992. They offer a comprehensive range of m

• C Cmb Renewables Ltd Cardiff · Air conditioning · 1-9 employees

  CMB Renewables provides integrated climate and energy solutions, including air conditioning installation, maintenance, and renewable energy systems li

• C CMC Electrics Ltd Cowbridge · Electrical

  CMC Electrics Ltd is a South Wales-based company specialising in heat pumps, solar PV, battery storage, electrical installations, and ventilation. The

• C Coastal Construction & Renovation Services Ltd St. Asaph · Extensions · 1-9 employees

  Coastal Construction & Renovation Services Ltd offers expert building, renovation, extension, and conservatory services in Prestatyn. Contact us for a

• C Coba Electrical Services Ltd Kinmel Bay · Electrical

  Coba Electrical Services North Wales for commercial, industrial, residential electricians. Offering electrical, plumbing, and heating services with ov

• C Cole Air Conditioning Services Ltd Cardiff · Air conditioning

  Cole Air Conditioning Services Ltd delivers air conditioning expertise in Cardiff. Call our air conditioning company for installation, repairs, and se

• C Combicare Bridgend Porthcawl · Heating & ventilation

  Combiecare Bridgend offers expert plumbing, heating, and gas services across South Wales. Specialising in new boiler installations, central heating, a

• C Convert My Garage Cardiff · Refurbishment

  Convert My Garage offers fast, affordable, and custom garage conversions in South Wales, transforming your garage into a functional space like a home

• C Cookmech Ltd Cardiff · Plumbing

  Cookmech Ltd is a Gas Safe and SMAS accredited plumbing and mechanical contractor based in South Wales, operating across the UK. Mechanical services,

• C COPPERCROFT LTD. Penley · Heating & ventilation

  CopperCroft Ltd offers expert boiler installation, servicing, and repairs across North Wales and surrounding areas. Specialising in central heating, g

• C Crl Group Ltd Conwy · Main contractor · 10-49 employees

  CRL Group Ltd offers commercial and trade services in North Wales, North West and Midlands, including building contracting, plant hire, tool hire, and

• C Ct Eco Ltd Llanelli · Insulation

  CT ECO LTD installs free heating and insulation upgrades through ECO4, GBIS, and LA Flex grants, helping households save energy and reduce carbon emis

• C Cunningham Heating And Plumbing Ltd Saundersfoot · Heating & ventilation

  Expert heating and plumbing services in Saundersfoot, South West Wales. Specialising in boiler installations, repairs, maintenance, and general plumbi

• D D.B. Thermal Insulation Services Ltd Broughton Wrexham · Insulation · 1-9 employees

  Industrial thermal and acoustic insulation specialists, including design of electrical trace heating systems. Established 1986, based in Wrexham.

• D Dd Mechanical Ltd Burry Port · Heating & ventilation

  DD Mechanical Ltd offers customer-focused, efficient, and high-quality mechanical installation and maintenance services across South West Wales, with

• D Dec-Renewables Ltd Aberdare · Solar PV

  Specialists in solar, EV chargers, and heat pumps. Trusted renewable energy installers helping UK homes and businesses go green. Get a fixed quote tod

• D Diack Ltd Ebbw Vale · Electrical · 10-49 employees

  Diack Ltd offers comprehensive electrical, security, and automation solutions for residential, commercial, and industrial clients, ensuring safety, ef

• D Dj Williams Electrical Ltd Pwllheli · Electrical

  Electrical Contractors and MCS accredited Solar PV installers based in Abersoch, Gwynedd, North Wales. DJ Williams Electrical Ltd.

• D Domelec Llay, Wrexham · Solar PV

  Trusted family-run solar installers in Wrexham, Chester & North Wales. Professional solar panel & battery storage installation. No hard sell.

• D Dragon Renewable Energy Ltd Corwen · Solar PV

  Expert advice & installation of renewable heating and energy solutions in North Wales, including ground/air source heat pumps and solar panels.

• E Eazy Heat Ammanford · Heating & ventilation

  EazyHeat is a trusted UK installer of home energy systems including boilers, heat pumps, solar, air conditioning and EV chargers. Rated Excellent on T

• E Eco 247 Ltd St Asaph · Main contractor · 10-49 employees

  ECO 247 LTD is a company registered in the UK. Their website is currently unavailable.

• E Eco Care Solutions Ltd Swansea · Solar PV

  Eco Care Solutions: Renewable energy specialists in South Wales. We design, supply and install solar PV, heat pumps, and battery storage. Get a free q

• E Eco Connect Network Neath · Insulation · 1-9 employees

  Eco Connect Network offers fully-funded ECO 4 grants for central heating, insulation, and solar PV. With over 10 years of experience in EPC energy ass

• E ECOTECH INSTALLATIONS LTD Swansea · Insulation

  EcoTech Installations provides professional eco energy measures across Swansea and South Wales, boiler upgrades, loft insulation, IWI and EWI for priv

• E Edizi Plumbing & Heating Ltd Cardiff · Plumbing

  Trusted plumbing and heating services in South Wales, delivering fast repairs and professional installations for homes and businesses at fair prices.

• E Electech Electrics Lampeter · Solar PV

  Expert solar panel, battery storage, EV charger and air source heat pump installations across South West & Mid Wales. MCS certified, NICEIC registered

• E Electrical Compliance Ltd Wrexham · Electrical

  Discover Wrexham's Best Electrician - Electrical Compliance. From general to renewable energy services, get covered today! Free quote available

• E Electro Main Services Ltd (EMS) Pontypridd · Electrical

  Electro Main Services Ltd (EMS) offers electrical contracting, plumbing, heating, EV charge points, fire & security, and building services across Sout

• E Element Gas Ltd Caerphilly · Plumbing

  Element Gas LTD offers comprehensive plumbing, heating, and gas services for domestic and commercial clients. Services include boiler installation, re

• E Emw Developments Ltd Rhyl · Property developer · 10-49 employees

  EMW Developments Ltd. is an established property development and management company, focused on excellence and client satisfaction. Established since

• E Energen Services Electrical And Mechanical Ltd Pyle · Electrical

  Energen Services is a trusted engineering company in South Wales, specialising in electrical, mechanical, and renewable energy solutions with over 20

• E Energy Renewable Solutions Barry · Solar PV

  MCS-accredited solar panel & heat pump installers in Wales & England. Octopus Trusted Partner. Free quotes. Call 01446 339003.

• E Epic Insulation Ltd Newport · Heating & ventilation · 1-9 employees

  Epic Insulation Ltd. For 30 years, we have been committed to making underfloor heating warmer, more efficient and more durable. Epic Insulation Ltd wo

• E Eric Collier & Son Gas Engineers Ltd Bridgend · Heating & ventilation

  Eric Collier & Son Gas Engineers Limited is a specialist M&E contractor providing a comprehensive range of services including plumbing, heating, venti

• E ERYRI RENEWABLES LTD Bangor · Heating & ventilation

  Eryri Renewables designs, supplies and installs Air Source Heat Pump systems in Wales. MCS approved and RECC accredited, they offer grant funding supp

• E Eureka Colwyn Bay · Electrical

  Eureka Smart Home offers smart home solutions, electrical installations, Solar PV, AV, renewable energy, and alarm systems across North Wales for resi

• E Everglow Plumbing and Heating Newport · Plumbing

  Gas Safe registered boiler installations & repairs in Newport & South Wales. Expert new boiler swaps, upgrades & emergency fixes. Trusted local servic

• E Excelheat Solutions Ltd St. Asaph · Heating & ventilation

  Heating, Solar & Air Conditioning Installers in North Wales. Boiler installation, solar energy and air conditioning experts providing efficient, relia

• F F And T Refrigeration Ltd Neath · Heating & ventilation · 10-49 employees

  F&T Refrigeration services and installs refrigeration, air conditioning, heat pumps, cold stores & ventilation systems across the UK since 1984.

• F Fenergy Renewables Ltd Newport · Plumbing

  Fenergy Renewables Ltd is a plumbing company based in Newport, registered at Companies House in 2024.

• F First Choice Energy Ltd Llanelli · Solar PV

  South Wales & South West England's most accredited energy installer. Specialising in Solar PV, heat pumps, gas boilers, insulation and ventilation. MC

• F Fixed 365 Ltd Rhyl · Plumbing

  Fixed 365 is a reliable company for all your plumbing & heating services, from boiler breakdowns, leaking taps, gas services, and more. Offering 24/7