Washburn Air has been Dallas’ go-to HVAC company since 1960. From the beginning, they have believed that they should be held to the highest standard of service and count unparalleled customer satisfaction, honesty, and quality workmanship among the highest company values.

Water Heaters Now is the go-to water heater installation company for same-day service. They specialize in water heater replacement, tankless water heaters, and commercial water heaters. Their team provides the best professional-grade units for their customers.

Wateraid UK are determined to make clean water, decent toilets and good hygiene normal for everyone, everywhere within a generation. By inspiring people and sparking chain reactions, they help deliver lasting change. By working closely with partners internationally and on the ground in some of the toughest places in the world, they have helped millions of people take control of their lives and build better futures.

Waterfall Pumps Manufacturing is a manufacturer of fire protection products located in Dubai, United Arab Emirates. All their fire fighting pumps are manufactured in a fully equipped ISO 9001, ISO 14001, ISO 45001 certified factory environment with compliances to UL, FM and NFPA 20. Other major approvals includes SETSCO , SASO-SABER , CE & TR-CU EAC.

Waterloo Filtration Institute (WFI) is dedicated to developing advanced filtration and separation solutions for a clean and sustainable world. They have over 40 years of extensive experience in the field and aim to serve the industry with the most comprehensive Education Program for Filtration & Separation Specialist Certification, Filter Product Certification, and Research & Development.

Established in 1959, Watts Engineering Sales, Inc. is a renowned manufacturer’s representative in the HVAC business. Watts Engineering serves the needs of mechanical engineers, mechanical contractors, architects and other industry professionals as a representative for top-tier manufacturers producing top-shelf HVAC equipment. Their products include unit heaters, duct heaters, fire dampers, grilles, ceiling diffusers and fans.

Watts Water Technologies is a pioneer provider of quality water solutions for residential, industrial, municipal, and commercial settings. Their family of brands offers one of the most varied product lines in the world, with world-class, water-related solutions focused on: Plumbing & Flow Control, Water Quality & Conditioning, Water Reuse & Drainage, HVAC and much more.

WDF Inc. (founded in 1929) is one of the plumbing, HVAC contracting and specialty general contracting companies. They have joined with Five Star Electric Corporation and Nagelbush Mechanical to form GreenStar Services Corporation as a diversified full service construction company.

Weatherking Heating & Air Conditioning provides solutions like Air Conditioning, Heating, Air Quality, etc and is based out of USA.

With over 40 years of experience, they can handle any repairs, installations, replacements, and maintenance related to HVAC industry. Their technicians are extensively trained and continually educated, they offer financing options and specials, and they provide free in-person estimates.

Since its beginning in 1922, Webster has grown to become a leading manufacturer of multi-fuel boiler burners for commercial heating, industrial process steam, and drying applications. Today, the company boasts numerous innovations that help its customers run cleaner, more efficient heating and thermal processes in a wide range of commercial, institutional and industrial facilities.

Weil Pump is the premier wastewater pump manufacturer in the U.S. Weil specializes in submersible & vertical, grinder & slicer, vortex, condensate, dry-pit, and centrifugal pumps. In addition, Weil manufactures pump accessories such as control panels, level controls, basin covers, quick-removal systems, valve assemblies, and reverse-flow systems.

Weil-McLain is a renowned North American designer and manufacturer of hydronic comfort heating systems for residential, commercial and institutional buildings since 1881. They provide heat exchangers, indirect fire water heaters and boilers for space heating in residential, commercial and institutional applications.

Wenta offers suitable and successful solutions with its experienced engineers, employers and modern technology of its industry. Wenta Ankara Factory, at its 50002 indoor and 3000 m2 open area, produces Steam Boilers, Steam Generators, Hot Oil Tanks, Hot Water Tanks, Economizers, Thermal Deaerators; and provides turn-key deliveries of these products to their customers.

Established in 1992, West Coast Chief Repair have served Los Angeles and the surrounding areas for over a quarter of a century. They are proud to be the go-to company for many homes, businesses and apartment blocks from Malibu to West Covina and Long Beach to Lancaster. The company provides solutions like Air Conditioning, Heating, etc and is based out of USA.

Whitehead is a building services company providing the full range of mechanical, electrical and management services. They design, install, test/commission, manage and maintain buildings across the UK. Whitehead provides heating, lighting, ventilation, power and water services.

Wholesale Heating Supply Co. are US-based renowned distributors of quality heating and cooling products. They are specialists in furnaces, air conditioners and hot water heaters, sheet metal and filters.

William Tao & Associates, Inc. (WTA) is a multi-discipline engineering firm providing innovative services in engineering and energy-effective building systems. WTA provides a wide range of engineering services including mechanical, electrical, plumbing, fire protection, building automation, structural, civil, master planning, and commissioning

Wilson Energy Ltd is one of the UK's pioneering providers of fully integrated Heating, Metering, Pre-Payment, and Billing & Bureau Services for residential homes and commercial developments.

Windy City Air Conditioning & Heating, LLC. services Las Vegas, Henderson, Green Valley, Summerlin, North Las Vegas & Boulder City. They specialize in providing Las Vegas AC repair & heating, commercial refrigeration, sales, service, repair, and installation.

WM Buffington Co. is a family-owned business that has been providing quality heating and cooling services to the Central Pennsylvania area since 1952. For 66 years, their team of experts have dedicated themselves to providing fast, professional work with superior customer service.

Wolfe Innovations prides itself in being the best overall in HVAC customer service, low competitive prices, and trustworthiness.

Wolseley UK is a plumbing, heating and cooling trade specialist merchant. They specialize in the distribution of plumbing, heating and building materials, logistics, supply chain, procurement, e-commerce, wholesale trade, retail, customer service, plumbing, heating, cooling, infrastructure, drainage, and pipes.

At Woodward Heating, their highly skilled technicians are committed to providing users with the highest quality of care possible. This includes discussing with users all their available options and helping them come to a well-informed decision.

World Environment Center is an independent, global non-profit, non-advocacy organization that advances sustainable development through the business practices of member companies and in partnership with governments, multi-lateral organizations, non-governmental organizations, universities and other stakeholders.

The World Plumbing Council (WPC) is an international organization which aims to develop and promote the image and standards of the plumbing Industry worldwide. World Plumbing Day is an international event on March 11 every year, initiated by the World Plumbing Council as a means of highlighting the important role plumbing plays in the health, safety and sustainability of the community.

Worthington Industries are renowned US-based provider of hand torches, fuel, solder, braze and accessories. Non-refillable and refillable portable refrigerant cylinders, recovery and recyclable cylinders, and high pressure industrial gas cylinders.

Wrench Group, LLC is a national pioneer operating in 14 states and 25 markets. The locations provide home services, specializing in heating, ventilation and air conditioning, plumbing, water, and electrical services across the U.S. Wrench Group supports these regional brands with investments in technology, leadership, and operations to drive innovation and growth.

Wrightsoft Corp. offer easy to use, drag-and-drop HVAC design and sales software that combines both residential and commercial loads, CAD-quality ducts, proposals and in-home sales tools.

XNRGY engineers and manufactures HVAC systems focused on low sound and vibration levels, data center efficiency, and power usage effectiveness while supporting LEED certification in a wide range of applications.