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.

DUCTZ has been providing industry-leading air duct cleaning and HVAC restoration services for residential and commercial properties alike.

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.

Since 1928, Dunkirk has delivered innovative, efficient, and dependable home heating products to professionals, building owners, and homeowners. Their products inventory includes condensing boilers, water boilers, water heaters, storage tanks, thermostats and multiple boiler control units.

Dupont provides technology-driven solutions to its customers. From renewable energy sources like photovoltaics, wind, biofuels, and fuel cells to the application of advanced materials making the exploration, production, and transportation of oil and gas more efficient, Dupont’s products and services help provide better performance, reliability, lower cost, improved safety, and a reduced environmental footprint.

DuraPlas, Inc. has been developing new and innovative agricultural products for companies around the world. From Liquid Feed Wheels and Mini-Pallets to containers and flooring systems, products help customers move, feed, and handle their products and livestock easier, faster, and more efficiently.

Duratrac, Inc. provides a host of professionally engineered connectors designed to perform optimally with your residential and commercial gas and water heater applications. All Duratrac flex features durable stainless steel construction without tapering at the ends to help insure optimal flow, while our end fittings and valves are zinc iridate plated to prevent corrosion

DuraVent is the recognized technological leader in the venting industry. Consistently first to market with new innovations, DuraVent is committed to providing safe and technologically advanced venting.

Durex Industries is the designer and manufacturer of high quality electric industrial heaters, temperature sensors, temperature controls and process systems.

Duro Dyne Canada Inc. manufactures and distributes the most complete line of sheet metal accessories and equipment for the heating, ventilating and air conditioning industry in Canada.

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.

Dust Free manufactures a wide variety of air purification equipment designed to help allergy patients in both residential and business locations. They also provide Ultra-violet (UVC) residential and commercial fixtures, Electrostatic air filters, room air purifiers, ceiling mounted air purification systems, industrial fan powered air cleaners, ultra-violet light fixtures and many more.

Dwyer Instruments Inc. are manufacturers of multiple products from different markets like HVAC, building automation, valve automation, etc. Their products include gauges for pressure, flow, level and temperature.

DXV offers exceptional bathroom and kitchen collections that reimagine the most influential and beautiful design movements of the past 150 years.

Dynamic Air Quality Solutions manufactures residential, commercial, and industrial high-performance IAQ systems that remove ultrafine particles, odors and gas phase contaminants, without Ozone.

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 Instruments International by Sauermann designs, manufactures and markets a complete range of innovative instrumentation solutions encompassing Combustion Gas Analyzers, Emissions Analyzers, Indoor Air Quality, and Calibration equipment especially designed for the power, process, industrial, institutional, food, and HVAC markets.

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 Mountain is committed to the design and application of products and methods to reduce energy consumption and create a sustainable future for the earth while ensuring the comfort and satisfaction of customers.

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.

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.

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.

Ebac specializes in providing pre-engineered dehumidification solutions for military, industrial, commercial and residential applications. They have 40 product lines, and warehouses on both coasts. They provide Industrial dehumidifiers and building dryers, and ventilation/circulation fans.

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.

Electric motors integrated with ECM’s PCB Stator patented technology provide higher power density, better quality of motion, and better efficiency than today’s conventional motors. Motors that were previously unavailable to new technologies.

ECO Manufacturing provides Thermostats, controls and much more.