DNV GL is a global quality assurance, software solutions and risk management company. They provide classification, technical assurance, software and independent expert advisory services to the maritime, oil & gas, power and renewables industries. They also provide certification, supply chain and data management services to customers across a wide range of industries.

Dogu Air Conditioning (DOGU Iklimlendirme) started manufacturing ventilation and air conditioning equipment in Izmir, Turkey, back in 1999. It also manufactures Air Handling Units (AHUs), Rooftop Packaged Air Conditioning Units (Rooftop), Heat Recovery Devices, Air Distribution Equipment, and Kitchen Ventilation Devices according to European norms.

Domus Ventilation is an innovator when it comes to supplying the Merchant and Electrical Wholesale industry with value-added products, such as unique 'house packs'​ with pre-determined duct kits, extract fans, and a choice of terminals. Our dedicated design team also offers free-of-charge CAD and Revit designs to illustrate custom ventilation systems that meet the latest building regulations and ensure optimum performance.

Donaldson Company helps solve some of the world's most complex filtration and contamination control challenges, and is one of the largest global providers of unique filtration technologies and high-quality filters and parts. Their filtration technologies and products are used every day, in a variety of industries and environments, including aerospace, agriculture, construction, manufacturing, mining, power generation, transportation, etc.

Done-Rite Plumbing & Rooter is the premier plumbing company in Orange, California, USA. They are a full-service plumbing contractor offering everything from water heater installation & repair, drain cleaning sewer line repair & installation, and general plumbing services. They service the entire Orange County area and can be out to any property in the area same-day for plumbing services.

DT Air Conditioning & Heating is Texas' renowned expert heating and cooling company. They offer furnace and air conditioning services in and around Plano, Texas, USA.

Duane Blanton is a trusted expert for comprehensive home comfort solutions, specializing in HVAC services, plumbing, and indoor air quality. From expert HVAC installation and maintenance to water heater repair, drain cleaning, and trenchless sewer repair, they ensure the home's essential systems run efficiently. They also provide advanced water quality solutions, sump pump services, boiler maintenance, and professional duct cleaning.

Duct Care Inc. provide is providing Professional Duct Cleaning Service since 2008. They also provide Furnace Cleaning, AC Coils Cleaning, Dryer Vent Cleaning and Central Vacuum Cleaning services. Their Unique Duct Cleaning process allow them to meet or exceed NADCA Duct Cleaning Procedure guide lines. From using pressure guns to different snake agitating whips and tools, they aim to not only get the job done, but get the job done right.

For over 30 years, Duct Doctor USA has been providing quality air duct cleaning for both residential and commercial customers. Duct Doctor was founded by a board-certified allergist in 1985 with a mission to improve the air quality of homes and workplaces.

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

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.

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 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.

With over 20 years’ experience, EasyAir has an in-depth knowledge of saving their clients' energy by designing and installing heat recover systems. They also provide unique, site specific commercial kitchen heat & smoke extract, fume extract, dust extract, paint & varnish fume extract as well as bespoke turnkey air conditioning systems.

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.

As the major supplier of ventilation and drive technology, ebm-papst is a highly respected engineering partner in many industries. With around 20,000 different products, they provide the right solution for just about any requirement. They have always worked to the highest economic and ecological standards. With GreenIntelligence, ebm-papst offers intelligently interconnected complete solutions that are second to none around the world.

For over forty years, ECE UK has been committed to providing for the needs of our customers. They started life in 1979 as the ambition of Fred and Jean Hull. From their first day in business, their commitment to emphasizing health and wellbeing in the design of their air handling units has put them ahead of the curve. They pride themselves on delivering the best indoor environment possible with a custom solution that increases the quality of air.

ECM has been serving the Kingston area since 2016 and has a passion for providing sustainable and reliable HVAC services. As certified heat pump installers, ECM offers energy-efficient solutions that enhance the home’s comfort, while supporting a cleaner, more sustainable future. They take environmental responsibility seriously — recycling all shipping materials, metal components, and even mercury from old thermostats.

Eco UK Group, originally established as Lutterworth Electrical in 1971, provides electrical services to the domestic and agricultural markets. Driven by the demand for high quality, energy efficient industrial luminaires, they provide high performance turn key solutions, LED lighting solutions, energy saving solutions and electrical contractor services.

Based in Warminster, United Kingdom, Ecobubl design and supply renewable energy solutions. They offer product training courses for air source heat pumps, electric & heat batteries, and also mixergy hot water tank. They also offer solar PV and electric battery storage Installations, throughout Wiltshire, Dorset, Somerset and parts of Hampshire, in the UK.

Ecohillers have been Involved in a wide range of applications and markets. have the knowledge of what works and what questions to ask to ensure optimal operation and integration of system.

EcoFlow Tech is a revolutionary mobile power company that is reinventing the way the world accesses energy. As makers of industry-first, smart and powerful mobile power products, EcoFlow’s mission is to harness new technologies to foster inclusion and help raise standards of living in areas of the world where power shortages stunt economic growth and development.

EcolightingUK offers a versatile product range using the latest LED technology, creating bespoke solutions for any number of applications. They are Carbon Trust, ISO9001 and ISO14001 accredited, meaning they are fully committed to offering exceptional service, quality, technology and value.

EcoMechanical specializes in top-quality HVAC services in Houston, including installations, repairs, and maintenance. They offer energy-efficient solutions like Carrier mini-split systems, R-32 refrigerants, air scrubbers, UV lights, and surge protectors. With expert technicians and a commitment to comfort and sustainability, they deliver reliable, innovative climate solutions tailored to their needs.

EcoRebates is the industry’s largest product offer platform for Residential and Commercial products. They support energy efficient product categories, including Major Appliances, HVAC equipment, Water Heating, Boilers, Plumbing equipment, Smart Home products, Insulation and more.

EcoVadis is the world's most trusted provider of business sustainability ratings. Global supply chains, financial institutions, and public organizations rely on EcoVadis to monitor and improve the sustainability performance of their business and trading partners.

As Britain’s biggest generator of zero carbon electricity, EDF is working 24/7 to help the United Kingdom (UK) reach Net Zero carbon emissions. They are busy generating zero carbon electricity from wind, nuclear and solar to help cut UK carbon emissions to nothing.

Eggert Cooling & Heating is a top HVAC contractor servicing the Central Florida area. They perform both residential and commercial heating and cooling service. They provide AC repair, AC service, new AC units, and 24/7 AC repair in Apopka, Windermere, Winter Park, Maitland, Clermont, Ocoee, Winter Garden, and the greater Central Florida area. With over 70+ years of industry experience, you can trust our expertise on any project.

Elektrotermex was founded in 1988. From the beginning of its existence to the present day, it has been 100% a company with Polish capital. The market activity was focused on heating services. They were the first in the country to start the production of compact heat distribution centers. They were very well received, as evidenced by medals and diplomas at trade fairs and exhibitions.