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.

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.

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.

CentralAir.com is improving the way customers buy air conditioning units by making affordable AC or heating units easier to select, finance and have installed at homes and commercial spaces.

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.

Cerro Flow Products, a manufacturer of world-class grade copper tube for the plumbing, HVAC, refrigeration, and industrial markets. We're known for our superior product quality, unparalleled customer service, expert technical support and an expansive U.S. manufacturing, warehousing and distribution network that ensures high fill rates and on-time deliveries.

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

Chris HVAC Solutions are renowned suppliers of Residential, Commercial and Industrial Air Conditioning Units. Chris HVAC Solutions equips efficient HVAC certified and qualified installation teams that get the job done for customers. In addition, they also undertake thorough system servicing and maintenance with optional service plans available.

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.

Easily installed in new or existing heating and cooling systems, Clean Comfort whole-home solutions work invisibly, silently and automatically to treat and filter the air in homes. Whole home air cleaners by Clean Comfort help protect and maintain the efficiency of central heating and cooling system by eliminating the build-up of dirt, dust and other pollutants. Clean Comfort humidifiers and dehumidifiers can make the air feel warmer and cooler.

CLIMACIAT represents the modern air handling units that CIAT has been offering for more than 40 years. The first air handling units were produced more than 80 years ago. Ecodesign is a very important component of the studies for the CLIMACIAT Airaccess/Airtech/Airclean range. The resulting product has a low environmental impact, in terms of its constituent materials and their recyclability.

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.

Since its establishment in 1985, CMC has carved an international reputation for designing controls without compromise and that add value to manufacturers that incorporate them. CMC’s approach to producing robust, multi-functional control solutions from its Belgium-based facility has seen the business evolve into a multinational firm with a presence in China, USA, France, Turkey and the UK.

Since 1950, Cochrane Ventilation has been working with New England’s businesses, non-profit institutions, and leaders in healthcare, to manage their indoor environments. Cochrane Ventilation can assist you with managing your indoor air environment. They offer a host of integrated services from HVAC cleaning, robotic imaging, air handler unit maintenance, and restoration, kitchen exhaust maintenance, and specialty ventilation system cleaning.

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.

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.

Compac is a family business with a proud history of innovation. Founded in 1988 by Keith Malpass, Compac Services set out to do just two things: produce efficient engineering HVAC solutions along with excellent after sales care. Compac Services is trusted by commercial customers across the North East and the UK and is the go-to HVAC installations and maintenance contractor for businesses from supermarkets to schools, across the private sector.

Conduit Tech is dedicated to helping HVAC professionals do what they do best - serve their customers with the right solution for their home. Their mission is to enable the critical trades that form the backbone of the built world, starting with residential HVAC. They focus on supporting HVAC contractors with better tools to drive comfortable, efficient and sustainable homes for every homeowner.

Consolidated Edison Company of New York, Inc. operates as one of the world’s largest energy delivery systems provider. Founded in 1823 as the New York Gas Light company, the company's electric, gas, and steam service now provides energy for the 10 million people who live in New York City and Westchester County.

Since 2004, Cool Quest, LLC has been providing residents and business owners in Mesa, Arizona, USA and surrounding areas with dependable, high-quality refrigeration services and more. Their heating and air conditioning contractors specialize in commercial air conditioning repair and residential air conditioning repair heating, ventilation and air conditioning (HVAC) maintenance, repair and installation.

Coolair Equipment Limited is one of the UK’s leading air conditioning companies. Their specialist team of engineers and project managers work to provide a range of tailored air conditioning solutions to customers across UK.

CoolSys is the parent company of an operating businesses that provide a full spectrum of best-in-class service experiences and solutions to the retail, commercial, and industrial refrigeration and HVAC industries. The CoolSys corporate brand was developed to unite a growing family of refrigeration & HVAC operating brands into one family, while providing strategic guidance and leadership, along with best-in-class experience.

Serving Northern California in USA, since1972, Cooper Oates Air Conditioning, Inc. is focused on helping building owners, property managers and commercial tenants manage the full life-cycle cost of their air conditioning systems through efficient design, dependable service and quality craftsmanship delivered by skilled professionals.

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.

Servicing the South West, Cosgrove & Drew provide best in class mechanical engineering services, such as domestic installations, full industrial and commercial projects, and servicing and maintenance. They are a UK-based plumbing, heating, mechanical services and building maintenance company that undertakes the smallest maintenance work right through to complete refurbishment.

Cummins Inc. empowers people to grow their careers through meaningful work, building inclusive and equitable teams, coaching, development and opportunities to make a difference. Their wide range of services include Cummins Engine Business, Cummins Power Generation, Cummins Distribution Business, Cummins Turbo Technologies, Cummins Emission Solutions, Cummins Fuel Systems, Cummins Filtration, and Cummins Electrified Power.

Cunningham, Inc. is a mechanical contractor that believes in providing the highest value to customers with high-quality craftsmanship, and cutting edge technology. Their broad range of services include HVAC equipment, plumbing, electrical, architectural metals, industrial and commercial services, and Geo-thermal solutions.

A wholly owned subsidiary of Daikin Industries Ltd., delivers engineered advanced HVAC technology for commercial, industrial and institutional customers with knowledgeable application expertise.