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

CAREL is a globally renowned control solutions provider for air-conditioning, refrigeration and heating, and cooling systems. Their products are designed to bring energy savings and reduce the environmental impact of machinery and systems. Their solutions are used in commercial, industrial and residential applications.

Carrefour Group is the premier private employer in the countries in which it operates. This is obviously the case in France – where the group was founded – but it also holds true in countries such as Brazil, Argentina and Italy. At the same time, the Group gives priority to local supply chains. So 75% of all its food products come from local suppliers in the countries in which it operates.

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.

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.

The Carver Group owns and manages a portfolio of brands which develop and manufacture products and solutions for building ventilation, air heating and cooling. Their products are sold worldwide through subsidiary offices and a network of distributors.

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.

CDP is a global non-profit that runs the world’s environmental disclosure system for companies, cities, states and regions. Founded in 2000 and working with more than 680 financial institutions with over $130 trillion in assets, CDP pioneered using capital markets and corporate procurement to motivate companies to disclose their environmental impacts, and to reduce greenhouse gas emissions, safeguard water resources and protect forests.

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.

CellarPro cooling units are designed for custom wine cellars to maintain ideal temperature & humidity conditions for storing and aging wine.

The Center for Climate and Energy Solutions (C2ES) is an independent, nonpartisan, non-profit organization working to forge practical solutions to climate change. Their mission is to advance strong policy and action to reduce greenhouse gas emissions, promote clean energy, and strengthen resilience to climate impacts.

Centrica plc is an international energy and services company. They supply energy and services to over 25 million customer accounts mainly in the UK, Ireland and North America. Their areas of focus for growth are Energy Supply, Services, Connected Home, Distributed Energy & Power, Energy Marketing & Trading.

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

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.

Certech pride themselves on being the go-to supplier of cabling, server racks, and IT accessories for businesses of all sizes. Their team of experts is highly knowledgeable and always ready to offer top-notch advice and support to help meet their needs. They are passionate about quality and customer satisfaction, and have a broad range of products and services to meet a variety of demands.

Ceto Controls, A Division Of Omega Environmental Technologies Llc ceto universal motion remote with programmable motion sensor provides unparalleled energy savings in operation of any a/c system that has built in remote control receiver.

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

Heating and cooling your home is a big deal. You want a system you can rely on to perform when you need it. With many years of experience, Honest Heating & Air Conditioning Repair and Installation can help you design a system that will keep your home at the temperature you need when you need it most. From large or small installations to repairs, we do it all with quality and professionalism. We don't just repair and install Poway HVAC systems.

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

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.

Jarrell is a full-service mechanical contractor that works with general contractors, owners, developers, architects, and manufacturers in the St. Louis area and across the United States.

Chatham Brass is a family owned and operated plumbing and electrical manufacturer located in central New Jersey, USA. They provide the plumbing and electrical industries with quality products such as pipe cable, electrical heating, silicone sealants, thermostats and controls, guards along with extensive inventory and exceptional customer care.

Chesapeake Systems is a well-established HVAC Manufacturers'​ Representative for the Mid Atlantic Region. Over the last thirty years, their experienced professionals have been working together to exceed customers'​ expectations. Their combination of veteran sales personnel coupled with young energetic professionals all share the common goal of providing premier service to all customers.

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

Christmas Air has always been great to work with as they offer regular maintenance for HVAC equipment and valuable discounts on their services and new equipment. They offer free estimates for heating & air conditioning equipment replacement.

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.

Cielo Smart Wi-Fi air conditioner controllers work with all types of ACs that have an IR remote control.

Cincy Heating & Cooling is a professional residential and commercial HVAC service company serving Cincinnati Ohio and the surrounding areas. They also provide emergency air conditioning repair services for the locals in the areas they serve if customers are having an emergency.

The Chartered Institute of Plumbing and Heating Engineering (CIPHE) is the professional body for the UK plumbing and heating industry. It is also an educational charity. As the professional body for the UK plumbing and heating industry, the CIPHE has represented, supported and developed members since 1906.