Heating and air conditioning in general and the interest in detailed technology of furnaces, heat pumps and alternative energy were the foundation for Horace and Scott Kelly, when they started the heating and air conditioning contractor and service company Carolina Heating Service, Inc. in 1981 in Greenville SC.

Based in Lexington, South Carolina, Carolina Refrigeration provides refrigeration and commercial and industrial HVAC services 24 hours a day, seven days a week to customers in South Carolina, North Carolina, Georgia, Alabama, southern Virginia and Tennessee. Carolina Refrigeration serves customers ranging from industrial processing plants to wholesale shopping clubs and supermarket grocers to convenience stores.

Carr Supply has been providing outstanding service and products to customers since 1917. They strive to provide the best quality products for Heating, Ventilation, and Air Conditioning (HVAC), Plumbing, Hydronics, Water systems, Wells, and Geothermal Systems.

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.

CAS DataLoggers is a distributor of data loggers, data acquisition equipment, temperature monitoring systems, and paperless recorders. Their team of sales engineers specialize in finding accurate and efficient solutions for your specific data recording needs.

CCOM Group, Inc. and its subsidiaries are known for their heating, ventilating and air conditioning (HVAC), climate control systems, plumbing and electrical supplies. Through its subsidiaries and divisions (Universal Supply Group, RAL Supply Group, S&A Supply), they distributes equipment, parts,and accessories to the Northeast. They serve contractors, consumers, builders, and the commercial and industrial sectors.

Cedar Rapids Winpump is a full-service wholesaler specializing in Waterwell, Wastewater, Plumbing, and HVAC. It carries a large inventory of high-quality products and serves a variety of customers, from general contractors to specialized technicians, and homebuilders to homebuyers.

Cementex Products, Inc is a closely-held corporation recognized throughout the industry as the only double-insulated hand tool supplier which controls the entire manufacturing process from insulation through testing with an unparalleled commitment to quality and delivery. This design-driven company produces innovative tools while remaining committed to being a low-cost manufacturer.

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.

The innovative Century brand has been pioneering the use of electric motors in the HVAC, leisure water and commercial/industrial markets for over 100 years. Century manufactures a wide range of fractional and integral A/C motors for residential and commercial HVAC applications for the distribution channel.

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.

cfm Distributors is devoted to delivering full-service HVACR Distributor with Applied Equipment.

CFM is a wholesale distributor covering Central and Northern California and Nevada. CFM focuses on the things that make a difference in business. Deep inventory, broad delivery capabilities, efficient and accurate service, product and industry knowledge, world class technical support, and industry training.

CFM Global operates companies that focus on innovative filtration media and nonwoven polyester products. With manufacturing and distribution centers conveniently positioned in Nebraska, Ohio, and Wisconsin, CFM Global designs, develops, and manufactures its products for customers across the globe.

Chadds Ford Climate Control offers a broad range of skilled services to create a more comfortable, productive, and rewarding home and work environment. They specialize in both residential and light commercial applications. Their service contracts protect the sustainability of customers comfort systems, including generators, with service targeted at maximizing longevity, reliability, and energy efficiency.

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

As an independent Bryant dealer in the Indianapolis area, Chapman Heating offers a full range of heating and air conditioning products and equipment, including gas furnaces, air conditioners, thermostats, humidifiers, boilers, UV lamps and more.

Charles D. Jones & Co. is a wholesale distributor of Heating, Cooling and Refrigeration Products serving customers since 1939. The Jones Company is wholesale only and handles equipment for heating, refrigeration, and air-conditioning installations for residential, commercial, and industrial applications.

Opteon refrigerants for air conditioning, refrigeration, and heat pump applications have the optimal balance of performance, environmental sustainability, safety, and cost.

As a family-owned-and-operated business, Chris Mechanical Services, Inc is a Bryant Factory Authorized Dealer that offers expert installation and maintenance by their skilled team of factory-trained professionals.

Christian & Co. Inc. is a Liaison between The World's Premier Manufacturers and Select Distributors in Michigan and Toledo, OH.

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

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

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.

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

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.

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.

Comfort Air Distributing is a customer focused distributor, dedicated to the success of our HVAC partners and committed to being a pioneer in the changing industry.

Comfort Solutions, Inc. is a wholesale distributor specializing in Zone Control Systems, Computerized Temperature and Energy Management and Indoor Air Quality (IAQ) products. They provide products to HVAC contractors that will enhance any indoor environment.

Comfort Supply Inc. are HVAC system specialists. They provide residential Heating/Cooling systems, Light Commercial-Commercial Heating/Cooling, Radiant/Snowmelt, and many more.