CALMAC manufactures thermal energy storage for more environmentally friendly, low cost cooling as well as skating floors for ice rinks around the world. The company specializes in ice storage and has a long history of commitment to innovative energy saving solutions including patents for over 200 products.

CAREL is a globally renowned control solutions provider for air-conditioning, refrigeration and heating, and cooling systems. Their products are designed to bring energy savings and reduce the environmental impact of machinery and systems. Their solutions are used in commercial, industrial and residential applications.

Carlin Combustion Technology, a pioneering innovator in the heating industry, specializes in manufacturing high-quality burners, controls, and igniters for residential and commercial applications. With a focus on technological advancement, particularly in biofuel compatibility, Carlin Combustion Technology offers cutting-edge solutions that meet the evolving demands of cleaner energy and improved efficiency.

Carrier Corp. is a global residential product innovations and solutions firm. Their inventory includes advanced communicating controls and thermostats, high-efficiency split system air conditioners and heat pumps, ductless split systems, gas and oil furnaces, boilers, fan and evaporator coils, geothermal systems, zoning systems, a complete line of indoor air quality products and small packaged products.

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.

Casvent Aircon Pvt. Ltd. is a prominent Air Handling Unit (AHU) manufacturer in India. Their commitment to innovation, technology, and quality has positioned them as a trusted partner for residential, commercial, and industrial air conditioning solutions. Casvent Aircon Pvt. Ltd. is an ISO 9001:2015 certified, highly sophisticated, due diligence, and sincere company.

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.

Celmec are specialists in high-precision HVAC air control, heating and cooling equipment for commercial, industrial and hospitality applications. They are a family owned and operated business committed to providing the best performing climate control solutions, specifically tailored to the client’s requirements.

At Cetetherm, they’ve led the way in sustainable, efficient, cost-effective solutions for the district heating systems, district cooling systems, and collective boiler room markets for over 60 years - and they continue to lead the market today, thanks to their ethos of expertise, innovation, and quality.

At CFM Airsystems, they pride themselves as being the exhaust and ventilation specialists of the future. Innovation in commercial ventilation systems has guided their design and manufacture of fans for the 21st century.

Champion Heating & Air Conditioning delivers unrivaled reliability and energy efficiency heating and air conditioning products for residential and commercial use.

Chatham Brass is a family owned and operated plumbing and electrical manufacturer located in central New Jersey, USA. They provide the plumbing and electrical industries with quality products such as pipe cable, electrical heating, silicone sealants, thermostats and controls, guards along with extensive inventory and exceptional customer care.

Chromalox is a thermal technology company. They engineer thermal solutions for the world's toughest industrial heating applications. Their Heat Trace segment delivers temperature management solutions for piping systems, valves, and tanks.

Clean Air Filter, Co. was established in 1990 to offer farmers a solution to their dusty chemical environment.

ClimaCool designs and manufactures modular chiller systems configurable to meet client’s requirements. Their modular chillers are ideally suited for all commercial systems including heat recovery and heat pumps, free cooling, geo exchange central plants and variable flow systems.

Climate Control Company has been a licensed contractor for heating, air conditioning and plumbing committed to delivering professional service, repair, maintenance and installation expertise to the home and business owners of Aspen and Vail and the surrounding area of the Western Slope.

The Climate Control Group (CCG) is a diverse collection of HVAC products and solutions for a variety of applications and markets. They design and manufacture products for multiple applications, where the comfort and efficiency of climate-controlled spaces are required.

Climate Rental Solutions provides temporary climate control equipment for both sale and hire. They provide an extensive range of temporary portable air conditioners, packaged air conditioners, large evaporative coolers, electric and gas heaters as well as a range of drying equipment.

Electronic programmable and mechanical thermostats for HVAC.

Climatec has been making buildings safer, more comfortable and efficient for over 40 years. They provide Building Automation, Enterprise Energy Management, Energy Services, Security Solutions, Life Safety, HVAC Solutions, and Service.

Climatech of Professional Air offers a number of ways to clean and freshen the air in the home so the users can breathe easier without compromising comfort. Their indoor air purification systems will keep the family breathing clean air year-round.

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.

CMP Corp. is the largest independent manufacturer of air conditioning and refrigeration quality replacement parts to fit reciprocating compressors manufacturing in the USA. OEM-quality Re-manufacturer of HVAC/R reciprocating and screw compressors.

Coleman is a manufacturer in America. They craft residential heat pumps, air conditioners, furnaces and light commercial equipment, gas furnaces, etc.

Comfort Systems USA is a national heating, ventilation and cooling (HVAC) company that offers a single company to provide complete HVAC service, anywhere, anytime.

Con-form Group is the one-stop-shop for light-weight mechanical plant platform and roof access solutions. As Australia’s first fully-fledged engineering company for HVACR platforms, acoustic & architectural screening and roof access systems.

Condair is the global leader in humidification, dehumidification and evaporative cooling. Supported by science, they engineer individual, holistic solutions that customers can trust through the entire lifecycle. With optimal humidity, we increase productivity and create healthier built environments.

Connelly Plumbing and Heating INC. has experienced technicians on-call to sort out their customers' plumbing problems. They do everything from routine maintenance to burst pipes, from a furnace and or air conditioner maintenance to a full change out.