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.

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.

Duquette Refrigeration has provided commercial refrigeration and HVAC service, installation, and 24/7 emergency repair to businesses throughout New England since 1986.

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.

Durkee® is a multi-national high-tech enterprise with a focus on offering solutions of high quality elastomeric thermal insulation, customized fabric air ducting and A/C system integration in the HVAC/R industry over the past 25 years.

Duroair has fast become a pioneer in innovative airflow and air filtration technology. Duroair designs and manufactures flexible end-to-end clean air solutions, focusing on (i) painting and coating, (ii) dust and particulate collection, (iii) weld smoke and oil mist collection, (iv) positive and negative pressure clean rooms, (v) environmental isolation rooms and (vi) non-destructive testing applications.

Established in 1995, Dusty Ducts, Inc. is certified as a minority-woman-owned-small business. As a Michigan corporation we provide HVAC Restoration, Indoor Air Quality and Energy Conservation for clients throughout Michigan and across the Midwest United States.

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.

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.

Compressed air is one of the most expensive forms of energy and yet its consumption represents an unknown quantity in many industrial companies. Use of flow meters for compressed air measurement can help to significantly reduce energy costs and forms an important basis for investment decisions.

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 Coast Metals products, professional service centers, and technical support combine to give the user exceptional service before, during, and after the sale. They are dedicated to fulfilling this commitment every single day. Their mission is to deliver the quality HVAC products the user needs, when they need them, and provide expert technical support.

East Hill Heating & Cooling is family owned and operated, providing King County, Puyallup, Sumner, Kent, Renton, Covington, Maple Valley, Auburn, And Federal Way with standard heating and Cooling service since 1939.

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.

Eliminate expensive shutdowns with a copper tube emergency shut off valve. Replace failed valves or install a new valve for hot or cold water in less than 10 minutes without turning off the water. No More Draining Systems or Pipe Freezing. Just EasyFit.

Easyflex is the leader of all things flexible. We’re a global leading manufacturer and distributor of flexible, corrugated stainless steel products. Through technological innovation, attention-to-detail, and stringent quality control, we manufacture and deliver superior products to customers worldwide.

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

For over 20 years, Eaton’s Furnace Heating & Air Conditioning HVAC has been proudly serving Coquitlam and the Lower Mainland, providing top-tier HVAC solutions to homes across the region. As a locally-owned company, they are deeply rooted in their community, committed to delivering reliable, energy-efficient heating and cooling services.

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.