Degree Day is an ISO 9001:2015 certified Indore-based Air Conditioning firm, which provides one-stop HVAC system solutions and consider themselves to be one of the major organizations for Design and Project Execution of Ventilation, Refrigeration and Air Conditioning applications.

Dennis’ Heating and Air Conditioning, Inc provides HVAC Installation, Retrofits, Service and Maintenance, as well as a full service sheet Metal Fabrication Shop. They are capable of fabricating almost anything, if customers can draw it, they can build it. The company is known for their knowledge, reliability, and incredible customer service.

DFW IT Partner is a Reliable IT Partner providing one-stop IT solutions in Dallas, Austin, Fortworth, Houston, and San Antonio, Texas, USA. They provide businesses with the expertise, resources, and support needed to drive innovation and stay ahead of the competition in today’s fast-paced digital landscape. By working with them, businesses can achieve their technology innovation goals more efficiently and effectively.

DHL Group is the world's pioneer logistic company. The DHL Group connects people and markets and is an enabler of global trade. It aspires to be the first choice for customers, employees and investors worldwide. To this end, the Group focuses on growth in its profitable core logistics businesses and accelerating the digital transformation in all business divisions.

DiversiTech Corporation is North America’s largest manufacturer of equipment pads and a renowned manufacturer and supplier of components and related products for multiple industries, including: HVACR, electrical, consumer hardware retail, electrical utility, automotive retail and pool and spa channel.

Doucette Industries is a globally renowned supplier of heat exchangers, vibration absorbers and OEM parts to the HVAC/R industry since 1975. Their extensive products include suction line heat exchangers, heat recovery desuperheaters, coaxial coils, brazed plates, tube-in-tube condensers, shell and tube heat exchangers, vibration absorbers, pool water heat exchangers.

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.

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.

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.

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.

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.

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.

Edwards Coils Corp. is a renowned US-based innovator in the HVAC industry. Their products inventory includes Evaporator coils, condensors, heat exchangers, tube-in-tube, single and vented double wall, finned, in copper, cupronickel, titanium and steel tubing.

Since 1999, Elite Cooling, Heating & Plumbing has been serving Bradenton, Sarasota, and Manatee counties with top-quality HVAC and plumbing services. With more than 30 years of experience, their licensed and insured team provides quality work and great customer service every time.

EnergiVault CTES technology adds a range of capabilities to industrial chiller operation including electrical load shedding and load shifting, use of on-site generated renewables, and the capability to benefit from grid-level support payments. The technology adds a whole new range of capabilities to industrial refrigeration by enabling flexible charging and discharging of cold thermal energy.

ESP Company was founded in 1974 by Thomas J. Finnegan, a manufacturer's rep in the Midwest to provide specialty products to the air conditioning, heating, and refrigeration industry.

Established in 1963, EUROKLIMAT SpA is one of the first Italian companies to design, plan and build water chillers and precision air conditioners.

EV Bullen is recognized as an independent Building Services Contractors providing sustainable, high quality engineering solutions for electrical and mechanical building services.

For over 35 years, Faulkner Haynes & Associates have been the premier provider of commercial HVAC and IT Infrastructure Power and Cooling solutions in the Carolinas. They are headquartered in Raleigh, NC and have locations in Asheville, Charlotte, Greensboro, and Wilmington, NC as well as, Columbia, Charleston and Greenville, SC, USA.

Ferguson HVAC offer the best unitary and ductless equipment brands and a wide-range of HVAC products, including accessories, controls, air distribution supplies, and service and repair parts. Ferguson HVAC Branches are supported by an advanced network of 10 distribution centers strategically located around the USA.

Foram HVAC Engineers is a leading Design and Project Engineering / Contracting company, catering to HVAC & Refrigeration projects, since 2002 and engaged in the mission of providing comfort to the people for better productivity and output.

Freedom Heat Pumps was founded in 2010 to provide the UK plumbing and renewables trade with sound, honest technical support and the right equipment for the job, every time. As part of Certas Energy, a DCC Plc Group company, Freedom Heat Pumps continues to lead the way in the energy transition, offering a broad portfolio of lower carbon heating options.

Fujitsu General Australia is one of the pioneering suppliers of air conditioning products in Australia. The company's origins date back to the 1960s through a sales distribution company known as General Colour Pty Ltd, selling color televisions. In 1980 became a full subsidiary of the General Corporation in Japan and General Corporation Japan (Aust.) Pty Ltd was formed.

The G&H Group is the complete mechanical and electrical public health (MEP) provider. They provide heating, ventilation and air conditioning; gas, electricity and renewable power supplies; water, drainage and plumbing; lighting; energy management systems; refrigeration; acoustics; and, communications, security and safety systems.

Gensco, Inc. is a family owned Heating, Ventilation & Air Conditioning wholesale distributor and manufacturer in the Pacific North West. They pride ourselves on delivering outstanding service and value to customers and providing opportunity and job satisfaction for team members throughout the US states of Washington, Oregon, Idaho, Montana and Alaska.

GNPW Group develop special businesses and projects in the area of ​​energy, fossil and alternative fuel logistics. The GNPW Group was founded in 1993 and is formed by companies with outstanding performance in business development and special projects in the areas of Energy, Logistics and Fossil Fuels.

As a family-owned and locally-operated plumbing company in Covington, GOODBEE PLUMBING provides fast and reliable service to property owners throughout Ponchatoula, St. Tammany Parish, Hammond, and the surrounding areas. Their local plumbers have so much more to offer, whether looking for help with a remodel, need the backflow preventer inspected, or are looking for a thorough drain cleaning.

Great Guys is one of the fastest growing Technician Owned HVAC & Electrical companies in the Denver Metro! Their trusted Heating, Cooling, Ventilation & Electrical technicians solve all HVAC problems, and make recommendations for improved solutions to ensure the home or business is always comfortable, efficient and safe. They offer comprehensive services and equipment that are uniquely selected to best meet varying needs.

Haisma Heating & Cooling Inc. is an HVAC company serving West Michigan. The company was established by Garry Haisma, a Northwest side Grand Rapids area native, in 1981.

Head’s Heating & Air Conditioning is an HVAC company that offers complete heating and air conditioning services in the Mobile and Baldwin county area. Their company was established in the year 1979.