Cambridge Engineering is a manufacturer of energy efficent heating/ventilation systems; gas-fired HTHV space heaters, and make-up air units.

Their products range from simple discrete electronic designs to more complex microprocessor based controls. Types include intermittent pilot, direct spark and hot surface controls.

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.

As a pioneering brand in the water heater industry, manufactures a broad range of water heating solutions including electric storage and instant water heaters, solar water heaters, heat pumps, and customized heating solutions. Recently, they have also partnered with Harvia to bring their finest sauna cabins and heaters, steam rooms, and other sauna accessories to India.

CE Mechanical is premier HVAC mechanical contractor, specializing in comprehensive services, including installation, maintenance, retrofits, and tenant improvements. With a dedicated focus on quality and customer satisfaction, they proudly serve all of Southern California. CE Mechanical’s innovative solutions help to lower operating costs, reduce capital expenditures, and maximize value for their clients.

Founded in 1946, Century Heating and Cooling Products, A MARS Co. is a family-owned and operated supplier of quality motors, components, service/installation parts, and equipment for the HVAC/R industry. The company’s Equipment Division offers residential and commercial heating, cooling, and dehumidification equipment under the Comfort-Aire and Century brand names in the United States and under the Comfort-Aire by Aitons brand name in Canada. The

CG Plumbing deals in both domestic and commercial mechanical installations along with installation of UPVC soffits, fascia's and HVAC systems.

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.

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.

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 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.

Watertube steam generators, specializing in packaged D, A, and O type boilers. Shop assembled units with capacities up to 500,000+ pph, 1500 psig design.

Cleaver-Brooks is a complete boiler room solutions provider that manufactures hot water and steam generation products which maximize energy efficiency and reliability while minimizing emissions.

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.

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.

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

At Comfort Boys their business is only as successful as the value they bring to their customers. From AC repair in San Antonio to an iced up AC unit in the Texas hill country. They strive to provide the greatest customer experience possible. This is the vision owner and operator David Schiess A Local resident saw as a critical component to providing the best possible service.

Comfort Solutions HVAC, a locally owned and operated residential heating and cooling company, prioritizes the well-being of its customers. Their expertise lies in ensuring comfort within the confines of homes, excelling in top-notch service, maintenance, and replacement of residential heating and air conditioning systems.

Comfortmaker provides residential and light commercial heating and air conditioning products, condensing units, furnaces, heat pumps, accessories, 2-25 ton rooftop units.

Concord provides residential heating and air conditioning products, packaged units and splits systems under 5 tons. They produce long-lasting, affordable heating and cooling products in a state-of-the-art facility located in South Carolina. They use only proven materials for every furnace, air conditioner, heat pump and air handler they build.

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.

At Constant cooling Inc Zambia their concern is customer's own comfort keep cool in summer and warm in winter. They repair machines that provides comfortable space condition for people A Trusted Provider of HVAC & Refrigeration Solutions Their ultimate goal is to give customers peace of mind around the safety, compliance,

Continental Industries offers manufacturing services for grilles, registers, diffusers, venting system components. They also manufacture air distribution and air jet venting systems.

Cool Air Technologies is one of Orange County’s most trusted names for heating and air, and for good reason. They offer greater warranty protection, with Orange County’s longest and most comprehensive install labor warrant.

Cool Running Air specializes in providing residential and commercial HVAC services to home and small business owners in South Florida, USA. For commercial clients, they specialize in rooftop units, VRF systems, mini-splits, PTACs, split systems, refrigeration, and water-source heat pumps. On the residential side, they focus on new construction, split systems, single-zone mini-splits, and whole-home mini-split solutions.

CoorsTek is a leading supplier of engineered technical ceramics for household durables and other applications. CoorsTek hot surface igniters for gas ranges, dryers, and HVAC systems are available in 12V, 24V, 120V, and 240V. Contact CoorsTek to learn more about their ceramic capabilities for appliances and other household products today.