As a pioneering brand in the water heater industry, manufactures a broad range of water heating solutions including electric storage and instant water heaters, solar water heaters, heat pumps, and customized heating solutions. Recently, they have also partnered with Harvia to bring their finest sauna cabins and heaters, steam rooms, and other sauna accessories to India.

Castle Refrigeration and Heating Services have been installing HVAC systems for over 20 years in a number of different conditions and environments. Castle Refrigeration and Heating Services have a wealth of experience in installing heating, ventilation and air conditioning systems into a broad range of establishments.

CCK TM, a manufacturing company specialising in the production of ventilation equipment, air handling units, fans, heat exchangers, smoke extraction systems, fire dampers and ventilation accessories and more.

CCK is a manufacturing company specializing in the production of ventilation equipment, air handling units, fans, heat exchangers, smoke extraction systems, fire dampers, ventilation accessories.

CDP is a global non-profit that runs the world’s environmental disclosure system for companies, cities, states and regions. Founded in 2000 and working with more than 680 financial institutions with over $130 trillion in assets, CDP pioneered using capital markets and corporate procurement to motivate companies to disclose their environmental impacts, and to reduce greenhouse gas emissions, safeguard water resources and protect forests.

CentralAir.com is improving the way customers buy air conditioning units by making affordable AC or heating units easier to select, finance and have installed at homes and commercial spaces.

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.

Founded in 1973, Century A/C is the distributor of Ruud and York equipment providing 'service beyond expectations' at its 24 Texas locations. They are a wholesale distributor of HVAC equipment and supplies whose mission is to be an employee-driven company providing customers with service beyond expectations.

Founded in 1946, Century Heating and Cooling Products, A MARS Co. is a family-owned and operated supplier of quality motors, components, service/installation parts, and equipment for the HVAC/R industry. The company’s Equipment Division offers residential and commercial heating, cooling, and dehumidification equipment under the Comfort-Aire and Century brand names in the United States and under the Comfort-Aire by Aitons brand name in Canada. The

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.

Certech pride themselves on being the go-to supplier of cabling, server racks, and IT accessories for businesses of all sizes. Their team of experts is highly knowledgeable and always ready to offer top-notch advice and support to help meet their needs. They are passionate about quality and customer satisfaction, and have a broad range of products and services to meet a variety of demands.

Certified Refrigerant Services Inc. is a full service refrigerant management and logistics company servicing all segments of the refrigerant and HVAC industry. They provide refrigerant sales/used buy back, process and return programs.

At Cetra Srl, for over 30 years they have been operating in the field of design, production and sale of air handling, ventilation and heat recovery units for the residential, commercial, industrial and chemical pharmaceutical sectors.

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

CGS Group Impianti srl was born in 1971 and since then it has been present on the national and foreign market in the field of environmental reclamation of the air.

Chesapeake Systems is a well-established HVAC Manufacturers'​ Representative for the Mid Atlantic Region. Over the last thirty years, their experienced professionals have been working together to exceed customers'​ expectations. Their combination of veteran sales personnel coupled with young energetic professionals all share the common goal of providing premier service to all customers.

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.

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.

Clean Air Systems of LA, Inc. is the one stop shop for commercial and residential air conditioning and duct cleaning services in Shreveport, Louisiana, USA. They are a Charter Member of National Air Duct Cleaners Association as well as a member of the Indoor Air Quality Association, the Comfort Institute, the Shreveport Bossier & National Home Builders Association, and the Better Business Bureau of Shreveport, LA.

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.

CLIMASET provides modular regulation solutions and supervision systems for applications and systems of refrigeration, air conditioning, heating and air humidification.

Climasystem Magnanimpianti was founded in 1971 as a company operating on the plumbing and heating systems market.

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.

Climaveneta is a brand of Mitsubishi Electric with over 45 years-experience in central climate control systems industry and a complete range of solutions. Climaveneta’s mission is to provide energy efficient heating, air conditioning, and data center cooling solutions that enhance everyone's comfort and improves the profitability of a building while limiting CO2 emission levels.