Desert Aire provides refrigeration-based dehumidifiers and offer their customers indoor air quality (IAQ) solutions that help people live, work and play in healthy and productive environments. As recognized leaders in dehumidification and dedicated outdoor air systems, they apply deep engineering expertise, advanced technology and focused service & support to meet their design goals with solutions that are accurate, durable and efficient.

Dettson – A member of the Ouellet group. Mission. Provide sustainable solutions to the HVAC (heating, ventilation, air conditioning) industry.

Dowling Corporation is a pioneer HVAC/R mechanical services provider serving clients in New Hampshire, Southern Maine, and the North Shore of Massachusetts. Providing comfort and peace of mind since 1961.

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.

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.

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.

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.

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.

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

EffectiV HVAC Inc. manufactures and supplies high-quality, top-performing architectural air distribution products for commercial buildings. EffectiV diffusers can be found in office buildings, schools, hospitals, airports, retail stores, hotels, restaurants, and hundreds of other buildings across North America. EffectiV 's unique ceiling air diffusers allow Engineers and Designers to answer specific architectural and performance needs.

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.

Mesa Energy Systems, Inc. (dba EMCOR Services Mesa Energy) has provided its clients with high-quality mechanical, commercial HVAC, and building automation consulting and services that address the most compelling energy-related issues. They are commercial HVAC contractors with the knowledge and experience to also provide commercial refrigeration repair and chiller services.

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 Vanguard's ultimate goal is to make homes better for the people who live in them and to reduce the negative impacts of buildings on the Earth.

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.

EBS is a manufacturer’s representative specializing in the design and application of HVAC systems for commercial and industrial buildings. Whether renovating an existing building or beginning a new construction project, EBS is the source for engineers, contractors and building owners to turn to for professional assistance.

Engineered Equipment Inc. was founded in January 2001 as an independent representative of ‘best in class’ equipment manufacturers, serving the highly technical application needs of commercial and industrial buildings. EEI proudly represents over thirty manufacturers, offering a solution to all HVAC application needs.

EnviroKlenz products feature patented earth mineral technology comes in contact with a toxic smell or chemical compound, they actively and safely neutralize the harmful compounds without the use of masking agents or toxic chemicals. Odors are completely eliminated, and irritants are totally removed from the air, and all without any unnecessary fragrances or perfumes.

Environment Masters have an AC or plumbing problem, getting it fixed can be an even bigger hassle. Environment Masters provides quick hasslefree service so users can get back to living their life.

ESD is a pioneer in improving society through the built environment. They create solutions that produce economic, environmental and experiential benefits to the clients, many of whom are the biggest names in the worlds of business. They emphasize innovation, adaptability and sustainability when providing mechanical, electrical, plumbing, fire protection, life safety and technology engineering.

Equipment Direct Sales has been serving New England-based contractors, engineers, and owners as a representative of several industry HVAC product manufacturers on residential and commercial projects alike.

Expanded Technologies’ sole focus is the manufacturing of quality expanded metals for the HVAC/IAQ filtration industry. They meet and exceed customers’ specifications and requirements at a competitive price.

Extreme’s One Hour Heating and Air Conditioning is always ready to serve users and fix the heating or air conditioning problem on the first call, offering the clients peace of mind. Quality service is important to the clients, and their goal is to ensure that their needs are met when heating or air conditioning issues that arise.

Exyte Hargreaves is the UK’s renowned provider of specialist high-integrity bespoke ventilation and hydraulic systems and ultra high-purity pipework solutions.

EZ Air Conditioning and Heating is a full-service HVAC company serving residential and light commercial customers throughout the San Antonio area. EZ strives to stay abreast of all the latest developments in the HVAC industry, and they differentiate themselves through superior performance.

Fahrenheit HVAC provides residents with reliable and professional heating and air conditioning services. Their dedication to outstanding customer service and industry-standard HVAC design, installation, and repair has earned them a reputation as the premier HVAC contractor in the area.

Fellowes is a company that offers Air Purifier products. This is one of the brands that features a range of Air-purifying products.