Safe-T-Flush by Drain Shield is the new standard for condensate drain management, preventing leaks and clogs by ensuring a natural flow of condensation out of the drain line. The Safe-T-Flush system eliminates repetitive service calls, improve air quality with the unit, and prevent extensive and costly property damage.

Ducane is all about providing outstanding value in home heating and cooling. They provide residential heating and cooling products, packaged units, and split systems under 5-tons.

At Duct Hygiene they specialize in the servicing of commercial kitchen extraction systems, fresh air ventilation and Fire Damper Inspection & Testing. They provide maintenance services to both blue chip and private sector clients throughout the UK, performing over 7,500 service visits each year maintaining building safety and compliance.

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.

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.

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.

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.

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.

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.

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.

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.

EcoMech Heating and Air Services specializes in high efficient heating and air systems, energy savings choices for its customers, custom duct designing for your system, and air quality. They are here to assist users with all of the energy savings needs

ECR International, Inc. is a manufacturing company in the USA that is part of BDR Thermea, a Dutch heating products group with its global headquarters in Apeldoorn, the Netherlands. ECR provides heating and cooling products under a family of brand names in North America.

Since 2004 EdgeStar has been an industry leader in the specialty appliance field, developing appliances like refrigerator, freezers and ice makers. EdgeStar has since expanded to two additional brands, Koldfront and Avallon, with the goal to build great brands that dominate niche markets by anticipating what customers want and giving it to them in a way that amazes them.

EDI Inc. is a Cincinnati-based controls and energy management company. They provide modern clean vehicles with an excellent safety record, along with ongoing training in areas of energy management and mechanical repair, installation and maintenance.

Edmonds Engineering is a full-service Mechanical, Electrical, and Plumbing Engineering design firm that partners with owners, architects and contractors to create trusted engineering solutions for commercial and industrial applications.

Efficiency Limited delivers personalized customer service and is committed to providing air conditioning systems that meet the needs and budget. They provide a comprehensive service package to the customers, including design & engineering, sales, service, preventative maintenance contracts, and installation.

Elite Heating and Air is a trained HVAC specialist who is available to service all of the HVAC installation and maintenance needs They offer HVAC service plans to make sure that the heating and cooling equipment runs smoothly and efficiently.

Emerald Aire, Inc. and Sound Air, Inc. merged. Sound Air was basically a Sheet Metal Fabrication and Installation business and merged perfectly with all the mechanical, service, repair and piping escapades performed by Emerald Aire, Inc. Linda Dupuis-Fricke was the sole owner of Sound Air and became the President of the new business, Emerald Aire, Inc. Linda was president until she left the organization in 1999.

Emerson Swan is a nationally recognized, stocking manufacturer's representative organization serving the northeastern United States and the Greater Toronto Area. Emerson deals with different lines of products, including HVAC. Emerson Swan also provides timely market information, including market trends, conditions and all relevant market data to its manufacturers for forecasting and planning purposes.

EMI offers a comprehensive line of ductless air conditioning systems with equipment for both hydronic as well as refrigerant-based systems. With exceptional performance and operating economy, ductless split systems are the ideal solution for light commercial, institutional & residential applications.

Empire Heating and Air Conditioning, Inc. was founded in 1985 by Martin and Gila Hoover. Their main office is located in Decatur, Georgia with a satellite office in Cumming, Georgia. They service, install, and repair all makes and models of heating and air conditioning equipment including boilers, hydronic heating, heat pumps, and water heaters.

ENE Systems provides integration, engineering, and installation of building automation systems that provide return on investment to facility owners, and convenient turnkey solutions to mechanical contractors.

Energy Professionals is one of North America’s Energy Consultants working with commercial customers to reduce and control their energy budgets, building client-specific, comprehensive energy strategies that factor in our client’s goals and objectives. As an energy consulting firm, they offer both focused solutions to a specific issue and broad plans to address long-term growth, paving the way for energy independence, providing more choice

Energy Resources Integration (ERI) provides engineering services including energy efficiency engineering and high level energy management support. ERI provides a range of services including energy audits, engineering studies, energy modeling, financial analysis, project management, and technical training so that you can reduce your energy spend.

Enertech Global, LLC is a manufacturer and visionary in the geothermal heating and cooling industry. Enertech builds quality geothermal heat pumps and distributes solar PV products.

Engebos Heating & Cooling, Inc., is an HVAC Company that has been offering HVAC services in the De Pere, WI and the surrounding counties since 1936.