Duct & Vent Cleaning of America, Inc. was founded in April of 1989 by Ron Eckman. As early as February of 1990, Duct & Vent Cleaning of America, Inc. joined NADCA, the HVAC Inspection, Maintenance and Restoration Association. In fact, they were the first company to be allowed membership that used portable hepa vacuums in the cleaning process.

Located in St. Louis, Missori, U.S.A., Ductformer Inc. is a manufacturer of machinery for the Duct Fabrication Industry. They manufacture sheet metal and duct fabrication machinery including rollformers for duct flanges, slip and drive cleats, Pittsburgh, and snaplock seams.

DuctSox is a manufacturer of textile air dispersion products for open and finished ceiling architecture, critical environments, and under floor applications. DuctSox Products are a cost effective, aesthetically attractive alternative to metal ductwork and diffusers. DuctSox Systems are 100% custom made, starting from the engineering design to the manufactured product.

Due North creates refrigerated, retail merchandising solutions that maximize our customers’ success. The company was formed in 2022 by combining long-standing retail refrigeration companies Minus Forty, QBD, and MTL COOL into one organization.

Duke Energy is one of the largest energy holding companies in the United States. Its Electric Utilities and Infrastructure business unit serves approximately 7.5 million customers located in six states in the Southeast and Midwest.

DunAn Sensing offers high-performance OEM pressure sensors, transducers, and transmitters with MEMS packaging technology compatible with harsh media.

Duncan Supply Company, Inc. is a wholesale distributor of refrigeration, air conditioning and heating, & food service equipment & parts,

Dunphey-Smith takes pride in delivering not only quality service but also the best value and brand names in heating and cooling products.

Dunster Heat is based in the South West and is a nationwide biomass supplier and installer of vigas wood burning boilers and Akvaterm accumulators. Their biomass systems are combined to form an efficient biomass central heating system.

Duracool Airconditioning intends to serve and achieve goals with technological superiority and provide top performance, application versatility and reliability. Their corporate values are the foundation upon which the company is built. These values are timeless and transcend all service lines, business and household environments.

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.

Founded in 1859, the Deutscher Verein des Gas- und Wasserfaches is the German association for gas and water with headquarters in Bonn. Its official English translation is the German Technical and Scientific Association for Gas and Water.

Dynamic Filtration manufactures robust, industrial-grade EDM filters, long lasting cellulose industrial fluid filters and several popular waterjet filters.

Dynatemp International, Inc. is a privately held supplier of refrigerants and refrigerant recovery services. Dynatemp offers the HVAC/R market a portfolio of products, services, and market intelligence that is designed to increase long-term profitability, customer loyalty, and environmental stewardship.

E Flow Technologies is a global company which produces the energy efficient fan-packs for a vast variety of AC & EC motor solutions and a quick return on investment for HVAC, refrigeration, ventilation and engine cooling industries.

E-Hong Trading Co. Ltd has a history inrefrigerant import and resell market in Taiwan. They also export brazing torches to all over the world.

Juffali focuses on pioneering new areas of business, leading or creating sectors to provide market-centric solutions to the ever-evolving needs of the Kingdom of Saudi Arabia. Through their international alliances and domestically developed companies, they cater to every AC or refrigeration requirement – from retailing simple window AC units, to developing and building custom-designed refrigeration systems.

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 Disinfection is responsible for providing marketing, distribution and customized solutions tailored to the client’s needs and is equipped to facilitate installation and maintenance services on all Puradigm products. Puradigm is the world’s most validated purification technology for combating dangerous surface and air contaminants safely in populated environments 24/7.

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.

ECEEC offers a range of services that cover the entire gamut of electro-mechanical engineering solution including design, Engineering, procurement, commissioning, services and facility maintenance. ECEEC head office is located in Mussafah M37, it has on its rolls Highly Qualified employees and technically competent engineers, supervisors and technicians.

Earth City Distributing is a renowned distributor of HVAC solutions and equipment with headquarters located in Chesterfield, Missouri, USA.

Earthwise Home Services is their local North Dallas plumbing, heating, air conditioning and water filtration service provider. They specialize in providing the customers with the highest level of service mixed with the best quality of work and the longest warranties and guarantees in the industry.

East West Trading Company are exporters of spare parts for air conditioning and refrigeration products. Their products include floor-ceiling units, refrigerants, compressors and copper.

Eastern Refrigeration Supply Co. Inc. are HVAC/R wholesale distributor serving southwestern Pennsylvania for over 70 years. They provide commercial refrigeration, heating and air conditioning solutions.

Eastside Heating & Air Conditioning, Inc., was started in 1966 by Vern Stoelting with a mission of furnishing his customers with the best in customer service and satisfaction. In 1969 Doug Turner joined Eastside as a service tech and later became a partner. Vern retired in 1981. In 1980 Randy Burke came to work at Eastside becoming a partner a few years later.

EATA EQUIPAGGIAMENTI REPRESENTS A LEADERSHIP IN THE INDUSTRIAL REFRIGERATION AND AIR CONDITIONING MARKET.

Eberspächer stands for innovative solutions. All European, North American and increasingly Asian vehicle manufacturers utilize their groundbreaking technologies. They innovate rapidly to realize the mobility of tomorrow today. By offering innovative solutions they are one step ahead to cope with the ever more stringent emission standards,

ebm-papst is an innovator and a market pioneer in fans, blowers, and motors with core competencies in motor technology, aerodynamics, and electronics. They provide solutions to a wide range of markets including Air-conditioning and Ventilation, Appliance, Commercial Refrigeration and more.

EBTRON’s management philosophy starts with a no-compromise approach to design, manufacturing, application and support. Its innovative measurement solutions have made EBTRON one of the most respected and trusted manufacturers in the industry.