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.

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.

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.

Easily installed in new or existing heating and cooling systems, Clean Comfort whole-home solutions work invisibly, silently and automatically to treat and filter the air in homes. Whole home air cleaners by Clean Comfort help protect and maintain the efficiency of central heating and cooling system by eliminating the build-up of dirt, dust and other pollutants. Clean Comfort humidifiers and dehumidifiers can make the air feel warmer and cooler.

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.

CM Engineering is a progressive mechanical, electrical and plumbing engineering firm, founded in 1993, to expand the level of innovation and professionalism available to prospective clients. They serve clients nationwide and worldwide.

Since its establishment in 1985, CMC has carved an international reputation for designing controls without compromise and that add value to manufacturers that incorporate them. CMC’s approach to producing robust, multi-functional control solutions from its Belgium-based facility has seen the business evolve into a multinational firm with a presence in China, USA, France, Turkey and the UK.

Coastal Pacific Xpress is a leading Western Canadian trucking company with a fleet of 340 trucks and 575 trailers. CPX provides flexible and tailored solutions encompassing truckload (TL) and less-than-truckload (LTL) services and the necessary warehouse & distribution capacities to augment the over-the-road services.

A leader in Milan for professionalism and experience in the design, installation and maintenance of air conditioning and conditioning systems, Cobram is now a synonym of safety and reliability. Over the years, the technical staff has been able to deepen their skills, expanding the range of services and choosing only the best brands available on the market.

Since 1950, Cochrane Ventilation has been working with New England’s businesses, non-profit institutions, and leaders in healthcare, to manage their indoor environments. Cochrane Ventilation can assist you with managing your indoor air environment. They offer a host of integrated services from HVAC cleaning, robotic imaging, air handler unit maintenance, and restoration, kitchen exhaust maintenance, and specialty ventilation system cleaning.

COES bases its activity on long term tradition in the field of industrial machines. Their team, with 50 years of experience in engineering and production, led the company through the 20 years anniversary mark.

Coherent empowers market innovators to define the future through breakthrough technologies, from materials to systems. They deliver innovations that resonate with the customers in diversified applications for the industrial, communications, electronics, and instrumentation markets.

Since 1964, Cole Industrial has been the Northwest's provider of new, used and rental boiler equipment for the process and comfort heating needs of nearly every industry around. Their diverse product line includes boiler equipment from industry-leading Cleaver-Brooks, for which we are the region's sole manufacturers'​ representative.

At COLOMBO AEROMECHANICS, since 1958 they have been solving the most varied problems in the field of industrial heat engineering and is based out of Italy.

Comfort Pro's Heating & Air Conditioning are dedicated to making your home a sanctuary of comfort and tranquility. With over two decades of experience, they have been proudly serving homeowners and businesses across Washington, providing top-notch HVAC services that customers can rely on.

Comfort Solutions HVAC, a locally owned and operated residential heating and cooling company, prioritizes the well-being of its customers. Their expertise lies in ensuring comfort within the confines of homes, excelling in top-notch service, maintenance, and replacement of residential heating and air conditioning systems.

Condimax provides solutions like Air Handling, Industrial Refrigeration, Air Conditioning, etc and is based out of Italy.

Conservation X Labs is a technology and innovation company that works in the field of energy and environment conservation. They provide a wide range of energy and ecology conservation solutions, technology solutions, and scaling solutions.

ConMet is a global manufacturer of components for the commercial vehicle industry. They design, engineer, and manufacture proprietary wheel ends, aluminum castings and plastic components for the heavy truck market. The company is headquartered in Vancouver, Washington, and their team is made up of more than 5,000 people, located across the United States of America, Mexico, and China.

Since its founding in 2008, Constant Home Comfort has serviced customers in Greater Toronto and surrounding areas, with high-quality, innovative and practical HVAC improvement products. They offer top-quality HVAC, furnace, and water tank services urgently. They also partner with renowned brands like Lennox, Bosch, Carrier, and more, offering a range of high-performance heat pumps.

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.

CoolSys is the parent company of an operating businesses that provide a full spectrum of best-in-class service experiences and solutions to the retail, commercial, and industrial refrigeration and HVAC industries. The CoolSys corporate brand was developed to unite a growing family of refrigeration & HVAC operating brands into one family, while providing strategic guidance and leadership, along with best-in-class experience.

Serving Northern California in USA, since1972, Cooper Oates Air Conditioning, Inc. is focused on helping building owners, property managers and commercial tenants manage the full life-cycle cost of their air conditioning systems through efficient design, dependable service and quality craftsmanship delivered by skilled professionals.

Copeland are the importers and suppliers for HVAC related products and spare parts for numerous esteemed companies worldwide. Copeland provides global solutions to improve human comfort, safeguard food and protect the environment.