C L WARD is a foremost manufacturer of US Made sheet metal ductwork accessory products. As a company with three generations of experience, C L WARD can provide support through superior quality products, technical information, and customer loyalty.

C&D Valve is the leading manufacturer in quality valves, fittings, and HVAC tools in the air conditioning and refrigeration industry for over 50 Years.

Cadpipe Software provides Piping & HVAC Fabrication Software for a wide range of industrial applications, including Process Piping, Commercial Piping, Mechanical, and Electrical industries.

A Home Energy Rating System (HERS) is a process of administering diagnostic analysis to determine and produce data that provides a method of evaluation for a California State approved home energy efficiency ratings. This establishes a benchmark of a home’s energy use and identifies necessary and/or best possible upgrades for homeowners.

Caleffi Hydronic Solutions are globally renowned manufacturers of high-quality components for heating, plumbing, air conditioning, and renewables systems, for domestic and industrial plants.

Cambridge has invested heavily in research and development to offer HTHV (high temperature heating and ventilation) products that significantly save energy and reduce operating costs. Whether in new construction or existing facility retrofits, Cambridge’s designing, manufacturing and testing processes ensure that each HVAC system is certified safe with unsurpassed product quality.

Since 1972, Cannon Boiler Works has been committed to partnering with our customers to help produce the required energy for their needs in the most efficient manner possible, reducing fuel costs and emission of greenhouse gasses.

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.

CASPR (Continuous Air & Surface Pathogen Reduction) Group is a health-tech company on a mission to make the world indoors a better place. As the front-runner in smart environmental indoor technology, the solutions work to ensure the air we breathe is the healthiest it can be, living out the well-being and enhancing the performance in the process.

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.

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.

Established in 2009, for the purpose of introducing Polypropylene Vent Systems to the North American market, Centrotherm Eco Systems is a member of the Ubbink Centrotherm Group (UCG).

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.

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

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

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.

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.

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

Cimetrics began as a supplier of networking technology for control and monitoring systems, and we have leveraged our networking expertise to become the leading provider of analytic services for ongoing building commissioning.

Cinch Home Services is a home services company that makes it easy for everyone to enjoy their home to the fullest. Cinch complete home plan covers appliances from refrigerators and ovens to washers, dryers and more. They provide warranty plans for air conditioning, heating, plumbing and electrical components.

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.

Cleveland Metal is not your run of the mill distributor: They vast network of domestic and International suppliers allows they to go further downstream in sourcing your metal needs.

Cleveland Tool And Machine began as a manufacturer of high quality automated machinery for the production of Sheet Metal Fittings in 1996. We have grown to be the major supplier of such equipment in the United States and Canada.

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.

CLIMATE SHIELD is a full service heating, air conditioning company in the Greater New Rochelle, Yonkers, White Plains and surrounding areas. From indoor air quality system installations to repair, maintenance or replacement, they are focused on finding the right solution for the user.

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.

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.