CKA Sales has been servicing HVACR distributors for over 47 years. They develop individual marketing plans through limited distribution to maximize pull through sales to major HVACR contractors. They are active members of HARDI.

Classic Heating & Air is a full-service, family-owned, and operated heating and air conditioning contractor dedicated to serving HVAC needs. They have plenty of service trucks constantly buzzing the metroplex so their technicians are never far away.

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.

CleanAlert are manufactures of air efficiency monitors featuring the patented, revolutionary FILTERSCAN air filter monitor, based on differential pressure change, alerting the user when the filter needs servicing.

Clear Drain LLC. Say an air conditioning system relies on a drain line to remove excess moisture. When this line becomes dirty and clogged, it can cause a backup and lead to serious water damage to the home or business. Stay protected from the risk with AC water treatment products from Clear Drain LLC.

Cleveland Controls deals with combustion control components, systems, panel control centers, indicating instruments, air pressure/flow sensing switches, pressure/vacuum generators and digital manometers. They also offer application and installation services of a broad range of products that prove, measure and control air flow for commercial, industrial and residential HVAC applications.

Cleveland Hermetic & Supply Inc. is Northeast Ohio's Premier HVACR Distributor and is also an authorized Emerson full-line Distributor.

CDI designs and manufactures desiccant dehumidifiers and critical process air handlers. Optional patent NoThruMetal design meets demand of low temperature environments without condensing.

As a locally owned and operated company, Climate Control Systems stands behind their work. Owned and operated by the same family for over 50 years, they provide customers with the best HVAC service in Frankfort and the surrounding areas. All of their technicians are trained and skilled. They perform background checks on all the employees to ensure the homes and businesses are safe in their hands.

CLIMATE SHIELD is a full service heating, air conditioning company in the Greater New Rochelle, Yonkers, White Plains and surrounding areas. From indoor air quality system installations to repair, maintenance or replacement, they are focused on finding the right solution for the user.

Electronic programmable and mechanical thermostats for HVAC.

ClimateCraft, Inc. is a manufacturer of innovative custom air handling units (AHUs) that are used to provide comfortable efficient environments in Healthcare, Education, Laboratory, Commercial, and High Tech Manufacturing facilities throughout the United States and Canada.

ClimateMaster researches, develops, manufacturers and markets the most advanced water source and geothermal heat pump systems. They also offer a comprehensive product line with innovative product selection software for residential, commercial and industrial applications.

Climatic Comfort Products is an HVAC distributor in heating, air conditioning and ventilation.

Clockwork's One Hour Heating & Air Conditioning franchisees offer residential repairs, replacements, maintenance, IAQ, duct work and protection plans.

Clover Corporation is a family-owned HVAC equipment supplier with a vested interest in getting the right HVAC product for the application. Their company has become the area’s foremost expert on Natural Gas cooling and Infra-red radiant heating.

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.

The Coast Products company was founded in 1968, representing three ventilation equipment manufacturers. They provide commercial, marine, and industrial fans and blowers. Louvers, dampers, fire dampers.

Coastal HVAC Supply is a privately owned and operated Wholesale Heating, Air Conditioning and Air Quality products distributor serving the greater Houston area.

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.

Coastal Supply is the Southeast's pioneer wholesaler of HVAC parts and supplies. They provide HVAC equipment such as air handlers, air conditioners, heat pumps, HVAC motors, diffusers, refrigeration motors, smoke alarms, switches, thermostats and much more.

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.

Cocoon Revolution by Thermasi is the first revolution in Indoor Climate Control since 1919. They offer the most affordable, highest-efficiency heating and cooling equipment on the planet. Their revolutionary furnaces and AC units feature a proprietary design and include a super-efficient operating system.

Cody & Sons is a family-owned and operated HVAC service company, specializing in residential plumbing, heating and air repair and remodels.

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.

Colorado Cleantech Industries Association actively and successfully advocates for Colorado’s clean technology industries at the Colorado State Legislature, and to the Administration of the State Governor. The association's efforts have directly led to creation of programs that support the growth of the industries and serve to position Colorado as a clean energy leader.

Columbus Industries is a global company that has grown steadily since its inception in 1965 to include over 900 associates in seven locations worldwide. CI is strategically positioned to supply filter products to North America, Europe, Asia and Africa.