Caleffi North America Inc. are renowned manufacturer of high-quality components for heating, plumbing, air conditioning and renewables systems, for domestic and industrial plants. They also provide separators, manifolds, balancing valves, mixing valves, motorized zone and ball valves, vents, collectors, tanks, controllers, pump stations for hydronic, geothermal and solar thermal 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.

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.

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.

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.

Coherent empowers market innovators to define the future through breakthrough technologies, from materials to systems. They deliver innovations that resonate with the customers in diversified applications for the industrial, communications, electronics, and instrumentation markets.

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.

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.

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.

Dairyland Power Cooperative, a Touchstone Energy Cooperative, was formed in December 1941. Headquartered in La Crosse, WI, Dairyland is a generation and transmission (G&T) cooperative providing wholesale electrical requirements for 24 distribution cooperatives and 27 municipal utilities. These cooperatives and municipals, in turn, supply the energy needs of members and customers in a four-state area.

Dallas Plumbing Company is a family-owned commercial and residential HVAC and plumbing company based in Dallas, Texas since 1903. They have sold, installed, maintained and repaired thousands of air conditioning systems across the Dallas area.

Dectron Inc. is a pioneer of DRY-O-TRON energy recycling dehumidifiers. They provide dehumidification systems for industrial, commercial and residential applications-indoor swimming pools, sports facilities, ice rinks, 100% make-up air dehumidifiers; precision environmental control systems.

Delta Thermal Solutions, Inc. is located in Jackson, Mississippi, United States of America and is part of the Hardware, and Plumbing and Heating Equipment and Supplies Merchant Wholesalers Industry.

Demeva Refrigeration Limited is a design company based out of Formby, United Kingdom. Formed in 1985 Demeva Refrigeration Ltd has developed to become one of the UK’s pioneering construction, Insulated panelling, refrigeration and mechanical services specialists. Demeva Refrigeration Ltd ability to provide all services associated with construction, Insulated panelling, refrigeration, and mechanical services projects in house.

Dimplex offers a variety of both indoor and outdoor electric heating solutions that are attractive in design, as well as powerful in performance. The heaters range from fan-forced to infrared and are suited to different spaces requirements. Dimplex electric fireplaces lead the industry with flame effect technology and realistic media bed accessories.

Doucette Industries is a globally renowned supplier of heat exchangers, vibration absorbers and OEM parts to the HVAC/R industry since 1975. Their extensive products include suction line heat exchangers, heat recovery desuperheaters, coaxial coils, brazed plates, tube-in-tube condensers, shell and tube heat exchangers, vibration absorbers, pool water heat exchangers.

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.

The E.ON Group is one of Europe's largest operators of energy networks and energy infrastructure and a provider of innovative customer solutions for 50 million customers. Thus, they are decisively driving forward the energy transition in Europe and are committed to sustainability, climate protection, and the future of the planet.

Eagle Mechanical, Inc. is a HVAC, plumbing, process and piping mechanical contractor with 30+ years’ experience. They help customers to purchase, install, maintain or replace any heating, air conditioning, refrigeration and plumbing systems. They specialize in industrial and commercial facilities, like hospitals, office buildings, schools, and government facilities.

Elektrotermex was founded in 1988. From the beginning of its existence to the present day, it has been 100% a company with Polish capital. The market activity was focused on heating services. They were the first in the country to start the production of compact heat distribution centers. They were very well received, as evidenced by medals and diplomas at trade fairs and exhibitions.

Elite Gas Care established itself in 2008. For over 10 years, they have grown rapidly undertaking many small and major project works. The experience has taught them to be agile and participate in new technologies. Their work has been praised and recommended. They aim to be the primary contact for the whole of East London and the surrounding areas.

Manufacturing residential and commercial baseboard radiation since the early 1970’s, Embassy Industries is one of the most widely recognized hydronic heating equipment manufactures in North America. Embassy Industries offers a complete line of high efficiency hydronic heating equipment for every residential application.

ERI Corporation has been a long established major supplier of recuperative plates heat exchangers oriented to the energy recovery system. It is one of the largest manufacturers of modern heat-exchange equipment for air conditioning and ventilation systems that appropriate to international criteria of quality products.

ESCO Home Services provides the region of Salt Lake City and surrounding areas with a wide range of heating, air conditioning, plumbing and electrical solutions. They also provide HVAC installation and maintenance, furnace repair, AC repair and servicing, and plumbing services.

The Eubank Division of Airxcel, Inc. is a fast growing manufacturer of Wall Mount vertical packaged air conditioners and heat pumps. Eubank is a premium supplier of air conditioner units, heat pumps, dehumidifiers, and compressors

For over 35 years, Faulkner Haynes & Associates have been the premier provider of commercial HVAC and IT Infrastructure Power and Cooling solutions in the Carolinas. They are headquartered in Raleigh, NC and have locations in Asheville, Charlotte, Greensboro, and Wilmington, NC as well as, Columbia, Charleston and Greenville, SC, USA.

Federal Association for Combined Heat and Power aims to increase the efficiency of energy conversion in order to conserve resources and reduce emissions that are harmful to the environment and the climate. The association strives for the broadest possible social alliance, which should also be reflected in the membership and the composition of the board.

Ferguson HVAC offer the best unitary and ductless equipment brands and a wide-range of HVAC products, including accessories, controls, air distribution supplies, and service and repair parts. Ferguson HVAC Branches are supported by an advanced network of 10 distribution centers strategically located around the USA.

Fireye, Inc. is a globally renowned manufacturer of flame safeguard controls and burner management systems for commercial and industrial applications throughout the world. Their products can be found in a variety of public buildings, commercial properties, power plants, pulp and paper mills, petrochemical facilities and food processing plants.