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.

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 Air Con is a globally renowned provider of heating, air-conditioning and refrigeration solutions. They provide innovative new products and services that improve global comfort and efficiency.

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.

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.

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.

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.

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.

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.

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.

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.

At Clim8 A/C Ltd, they sell, install and support a comprehensive range of Air Conditioning and Refrigeration systems for commercial and residential customers.

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

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.

Connor Co., established in 1936, is a family owned and operated business. Over the past 75 years, their business has expanded and the customer relationships have grown. With the support of our vendors, Connor Co. has been able to enhance and enjoy these years with their customers. The company has a deep and proud tradition within the Plumbing, HVAC, and Industrial PVF industries.

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.

National Distribution of Toshiba & Fujitsu Air Conditioning, CIAT & Carrier HVAC Products including AHUs, Chillers, Heat Pumps & Air Purification. A focus on pre-contract support through training and design, UK supply, and post-sales technical support. Cool Designs Ltd is a Carbon Neutral company.

Cooltech Engineers is a professionally organized techno commercial firm deal in Air conditioning, ventilation and refrigeration products. We are leading HVAC solution provider undertaking Consulting, Drawing & designing, Planning, Selling, Turnkey Contracting and after sales services.

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.

Cosby Heating carries a complete line of indoor comfort equipment with innovations that raise the standards of comfort and reliability, including air conditioners, heat pumps, gas furnaces, programmable thermostats, humidifiers, ductless split systems, geothermal systems, boilers, air cleaners, ultra violet lights, ventilators and zoning products.

DiversiTech Corporation is North America’s largest manufacturer of equipment pads and a renowned manufacturer and supplier of components and related products for multiple industries, including: HVACR, electrical, consumer hardware retail, electrical utility, automotive retail and pool and spa channel.

DuctSox is a manufacturer of textile air dispersion products for open and finished ceiling architecture, critical environments, and under floor applications. DuctSox Products are a cost effective, aesthetically attractive alternative to metal ductwork and diffusers. DuctSox Systems are 100% custom made, starting from the engineering design to the manufactured product.

Dura Products, Inc is a state-of-the art Indiana based manufacturer of metering, pumping and dispensing systems for the DEF, AG, and turf Chemical industries. Founded by owners with decades of knowledge in farming and the chemical sales industry, Dura Products Inc goes beyond excellent design to incorporate innovative, versatile and durable transfer pump solutions with the end consumer always in mind.

E Flow Technologies is a global company which produces the energy efficient fan-packs for a vast variety of AC & EC motor solutions and a quick return on investment for HVAC, refrigeration, ventilation and engine cooling industries.

Earth City Distributing is a renowned distributor of HVAC solutions and equipment with headquarters located in Chesterfield, Missouri, USA.

With over 20 years’ experience, EasyAir has an in-depth knowledge of saving their clients' energy by designing and installing heat recover systems. They also provide unique, site specific commercial kitchen heat & smoke extract, fume extract, dust extract, paint & varnish fume extract as well as bespoke turnkey air conditioning systems.

Ecorithm is a data analytics company with a cloud-based Fault Detection and Diagnostics software that specifically focuses on optimizing HVAC systems.