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.

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.

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

Clockworks Analytics is a smart building intelligence platform that helps facilities professionals and their service providers gain visibility into the biggest issues affecting building energy consumption, indoor air quality, and equipment health. The company’s “Clockworks” technology provides comprehensive and accurate building diagnostics in the industry, analyzing millions of data points, provides root cause analysis and verification.

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.

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.

CO2Meter, is identified as a "leading source" for gas detection, monitoring, and analytical solutions. Since 2006, CO2Meter continues to work diligently to utilize the latest, proven gas sensing technologies in order to solve the urgent needs of partners, customers, and professionals across the industry.

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.

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.

Coilco Tool & Die was established in 1967 as one of a group of companies serving the entire air conditioning, heating and refrigeration industry. This association gives them the background required to sense the needs of the manufacturer and the experience to design machinery to fill these needs.

COIT is a full-service Cleaning & Restoration company that can uniquely handle all maintenance cleaning needs or for those unforeseen mishaps requiring professional remediation.

Cold Point Corporation is the industry-leading supplier of aftermarket comfort solutions for commercial and residential applications. They have over 20 years of experience developing OEM-style replacement products to keep customers happy and comfortable. The products are of water source and air source.

At Cold Shot Chillers, manufacturing of standard and specialized custom industrial chillers has been their mission since the early 1970’s. High-quality, reliable equipment and company-wide customer service and support separates Cold Shot Chillers from other manufacturers.

ColdZone delivers green refrigeration technologies and is a manufacturer of refrigeration equipment—evaporators, compressor units, chillers, fluid coolers, and defrost controls—specifically designed for the foodservice and convenience store industries. it is a part of the Rheem family of brands.

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.

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

Collier Consulting Group, a proven pioneer in business management consulting, provides on-site evaluations, coaching services, and flat rate solutions.

Collins has been serving the Highland Indiana area for over a decade, building a solid reputation on honesty, integrity, and old-fashioned values. They are a locally-owned HVAC company delivering a variety of home comfort services including heating, air conditioning, and indoor air quality solutions.

Colmac Coil Manufacturing supplies heating and cooling coils to OEM customers and the HVAC industry. They also provide unit coolers; air cooled condensers; blast freezers; hydrocoolers; fluid coolers and heat pipes.

Colmac heat pump water heaters offer commercial and industrial users of sanitary hot water an energy efficient means of heating water to temperatures as high as 185°F (85°C) in a single pass. These heat pump water heaters use the same operating principle as an air-conditioner or domestic refrigerator.

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.