Cenergist is a pioneer water and energy management company. It specializes in high efficiency district heating and ground source heat pump systems together with water efficiency products. The company is based in the UK and has subsidiaries in Spain and India.

Centrica plc is an international energy and services company. They supply energy and services to over 25 million customer accounts mainly in the UK, Ireland and North America. Their areas of focus for growth are Energy Supply, Services, Connected Home, Distributed Energy & Power, Energy Marketing & Trading.

CER Inst Ltd is now in its 40th year of providing fast and cost-effective solutions to all of your refrigeration, air conditioning, and ventilation requirements on a nationwide basis, all the way from conceptual design, installation, service, and maintenance.

CG Plumbing deals in both domestic and commercial mechanical installations along with installation of UPVC soffits, fascia's and HVAC systems.

Chiller Technical Solutions Ltd is a flexible unique company founded on a highly experienced and motivated work force with a vast knowledge of the Air Conditioning and Refrigeration industry.

Chillflow Solutions was born from the realization that there was a gap in the market for a locally run air-conditioning and refrigeration business. A specialist business that could provide high-quality services to a wide range of industries, led by engineering professionals with the technical expertise and relevant experience needed to succeed.

CIAT is a pioneer in heat pump heating, summer comfort and air handling solutions for the residential, commercial, healthcare and industrial sectors. CIAT provides solutions based on three fundamentals - comfort, optimization of energy consumption, and improvement of indoor air quality of buildings.

The Chartered Institute of Plumbing and Heating Engineering (CIPHE) is the professional body for the UK plumbing and heating industry. It is also an educational charity. As the professional body for the UK plumbing and heating industry, the CIPHE has represented, supported and developed members since 1906.

Clade Engineering Systems is a UK-based manufacturer of high-performance heat pumps, specializing in natural refrigerant technology using CO2 and propane. Based at Bristol & Bath Science Park, Clade designs, builds, installs and maintains sustainable heating systems for commercial, industrial and residential applications helping organizations meet net-zero goals with reliable, energy-efficient solutions.

At Clarke Delta, they survey, design, and manufacture protective solutions. These include Air Conditioning Cages, LST Radiator Guards, Aluminium Coping Systems, Anti-ligature Radiator Guards, Aluminium Coping Systems, Guttering and Fascia Systems, and much more.

Clean Air Fund is a global philanthropic organization working with governments, funders, businesses and campaigners to create a future where everyone can breathe clean air. The fund and partner with organizations that promote air quality data, build public demand for clean air, and drive policy change. They influence and support decision-makers to act on air pollution.

Cleanroom Technology brings industry insights for controlled environments, including the latest news and regulation updates.

Clenzair provides distribution and installation of pioneer air sanitization technology. Clenzair neutralizes airborne and surface bacteria and viruses such as MRSA, Bird Flu, Swine Flu, Corona Virus (SARS), Ebola, Mould and E.Coli. A Clenzair installation is classified as an Active filtration system. This means that it can neutralize a virus suspended in the air or on any surface in the room, wherever it may be.

CLIMACIAT represents the modern air handling units that CIAT has been offering for more than 40 years. The first air handling units were produced more than 80 years ago. Ecodesign is a very important component of the studies for the CLIMACIAT Airaccess/Airtech/Airclean range. The resulting product has a low environmental impact, in terms of its constituent materials and their recyclability.

Climatic Engineering Limited have recognized that need and have formulated a strategy, which offers practical, effective solutions to problems associated with environmental pollution, as they relate to the air everyone breathes.

Climatize UK are air conditioning and electrical installation specialists established in 2006. Based in Loughborough, Leicestershire our team of engineers serve a nationwide customer base. They offer consultation and support for facilities management and operations staff in providing great well-being and a healthy environment for staff and customers.

Comfort Climate Services Ltd (CCSL) is a UK-based HVAC company, specializing in air conditioning, refrigeration, ventilation, and PPM (Planned Preventative Maintenance) services. They serve both domestic and commercial clients with reliable, efficient, and high-quality solutions tailored to varied needs. They are experienced in installing, repairing, and maintaining all major HVAC systems.

Commercial Maintenance Services UK Ltd have been providing businesses throughout the UK with installation, maintenance & repair of HVAC systems for over 20 years. Their experience spans from full design, planning and installation of HVAC systems in schools through to planned preventative maintenance for hotels and care homes. CMS is committed to improving the energy efficiency of current systems and introducing new eco-efficient technologies.

Compac is a family business with a proud history of innovation. Founded in 1988 by Keith Malpass, Compac Services set out to do just two things: produce efficient engineering HVAC solutions along with excellent after sales care. Compac Services is trusted by commercial customers across the North East and the UK and is the go-to HVAC installations and maintenance contractor for businesses from supermarkets to schools, across the private sector.

Compressors Limited was established in 1984 to provide all types of industrial, retail and domestic users of compressed air with a friendly, reliable and professional service. They service the whole of the East Midlands region, including Nottingham, Derby, Newark, Lincoln, Grantham and Sleaford. They are specialists in the sale, installation, maintenance and repair of compressors in Derbyshire and the surrounding areas.

Concept Filter Products (CFP) provides a professional filter management service, ensuring you get the right filters, to the right sites, at the right time. They have a complete range of filters for all air conditioning, ventilation, painting and drying technologies; from panel filters, synthetic media, pocket/bag filters, compact filters, HEPA filters, carbon filters, glass media to specialist filters. In addition, CFP has a wide range of belts,

Concert specializes in Project Management, Cost Consultancy and Principal Design services across a number of sectors including commercial, data centers, education, hotel and leisure, residential, mixed use and retail.

Conex Bänninger is a specialist provider of high-quality fittings, valves, and accessories across the globe. Since 1909, Conex Bänninger’s innovative approach has led to some landmark achievements in product design. The product knowledge, expertise, and quality standards are trusted across residential, commercial, industrial, air conditioning, and refrigeration markets.

The Construction Industry Council (CIC) is the representative forum for professional bodies, research organizations, and specialist business associations in the construction industry. CIC now occupies a key role within the UK construction industry providing a single voice for professionals in all sectors of the built environment through its collective membership of 500,000 individual professionals and more than 25,000 firms.

Cool Climate specialize in Air Conditioning installation, servicing and maintenance of air conditioning equipment. As air conditioning engineers they pride themselves upon installing top brand names including Mitsubishi Electric, Daikin, LG, Fujitsu and Hitachi air conditioning systems.

Coolair Equipment Limited is one of the UK’s leading air conditioning companies. Their specialist team of engineers and project managers work to provide a range of tailored air conditioning solutions to customers across UK.

Coolair Service Ltd is an air conditioning installation, service, and maintenance company. Its customer services advisors and technical support teams are on hand to offer to advise and schedule visits whenever and wherever required.

CoolKit is a manufacturer of refrigerated vehicles for the temperature controlled transport industry. They fit conversion and refrigeration units into vehicles and also provide maintenance and repair of fridge and freezer vans.

COOLSTOP is a major independent wholesaler for Refrigeration, Air Conditioning and Ancillary products throughout the UK, and they have fully equipped trade counters in Bridgwater, Swindon and Newbury, with knowledgable staff always on hand to help and advise where required.

Cooltherm provides a comprehensive portfolio of air conditioning, commercial and industrial refrigeration plant along with technical backup service and maintenance.