Compare 5 Local HVAC Contractors in Cardiff

C.S Boxall provides trusted boiler installation, central heating repairs, and plumbing services across South Wales. Specialising in domestic and commercial solutions, we combine industry accreditations with 24/7 emergency support to ensure reliable, efficient systems. Our focus on customer satisfaction and technical excellence has made us a leading choice for heating and plumbing needs.

Boilerhut provides nationwide boiler and central heating installation services, offering A-rated gas, oil, and LPG boilers with next-day fitting. Specialising in combi, system, and conventional boilers, we partner with leading brands to deliver energy-efficient solutions that reduce household energy bills. Our Gas Safe engineers ensure compliance and safety across all installations.

Heat Force delivers renewable energy solutions including solar panels, heat pumps, and EV chargers, alongside plumbing, heating, and electrical services. With 40 years of expertise, we combine MCS-certified installations with nationwide coverage to reduce energy bills and carbon footprints. Our 60,000+ customers benefit from award-winning service, 24/7 support, and flexible financing options.

Optimum Air Conditioning provides expert installation, repair, and maintenance of energy-efficient HVAC systems across the UK. Specialising in air conditioning, heat pumps, refrigeration, and ventilation, we combine technical expertise with environmental responsibility. Our F-Gas-certified engineers deliver tailored solutions for residential and commercial clients, backed by a 5-year warranty and 24/7 emergency services.

KLM Plumbing & Heating Services provides comprehensive domestic plumbing and heating solutions across Cardiff and South Glamorgan. With Gas Safe registration and 20 years' experience, we deliver installations, maintenance, and emergency repairs for residential properties. Our owner-operated model ensures personal accountability and consistent service quality.