Warren Technology has provided electric heating equipment for more than 60 years. Warren offers custom duct and standard unitary slip-in heaters to meet electric heating specification and design requirements. Incorporated in 1957 as a manufacturer of electric heaters, Warren Technology has assumed a role within the HVAC industry, designing, developing, and manufacturing a broad spectrum of precision heating.

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.

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.

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.

Wessels offices and worldwide sales are headquartered in Greenwood, Indiana, a suburb just south of Indianapolis. adjacent 110,000 square foot facility is responsible for the manufacture of tanks up to 36 inches in diameter with a variety of available lengths. In 2007, expanded operations to Tiffin, Ohio, and formed Wessels East, large tank division.

Selecting the correct company to take care of their family’s home living environment can be a challenging task but at West Air Conditioning they can trust their long-term credentials for the comfort of the peace of mind.

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.

Westminster HVAC provides expert heating, cooling, and air quality solutions for residential and commercial properties in Westminster, Colorado, USA. They specialize in HVAC installation, repair, and maintenance, ensuring energy-efficient furnaces, air conditioners, heat pumps, and ductless systems to keep residents comfortable year-round.

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

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.

Wintac is a US-based renowned Business Management Software (BMS) solutions firm for field service and HVAC contracting companies. Wintac plumbing software provides valued real time information in order to control and increase efficiencies of technicians.

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.

Woburn Mechanical Services Limited was established in 2011 and offers a wide range of services including installations, servicing and maintenance contracts. They offer bespoke contract solutions catering to individual client requirements. Situated in Nottinghamshire, United Kingdom, the company is ideally positioned to provide services to businesses along the M1/M62 corridor.

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

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.

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.

WSP Global Inc. meets the customer's needs with cross-disciplinary services across multiple sectors and markets including: advisory; buildings; water and environment; energy; and transportation & infrastructure.

The Wyss Institute at Harvard University uses biological design principles to develop new engineering innovations that will transform medicine and create a more sustainable world. By emulating biological principles of self assembly, organization and regulation, they are developing disruptive technology solutions for healthcare, energy, architecture, robotics, and manufacturing, which are translated into commercial products and therapies.

XCI Zoning was founded to provide the latest and newest technologies and ideas to provide better comfort and better control of the HVAC system. Specializing in forced air zoning, XCI has designed systems that enable HVAC systems to deliver greater comfort and reduced energy consumption.

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.

Xpelair was formed in 1955 as a manufacturer of unitary ventilation products. They are renowned providers of high quality quiet fans for window, wall and roof mounting. 2-speed reversing fans for exhaust or air intake.

Yardi is dedicated to the design, development, and support of real estate investment management and property management software solutions. They offer full business solutions for every real estate market, including multi-family, single family, affordable, public, senior and military housing as well as office, industrial, and retail market segments.

YORK Heating designs, develops, and deploys customized solutions for a range of processing industries. In addition, they also provide refrigeration components on an OEM basis to packagers and systems integrators. Their featured products include packaged systems, compressors, and control panels that keep natural gas moving through pipelines and industrial process equipment working smoothly.

Yunker Plastics, Inc. is a fabricator and distributor of reinforced HDPE, Firestone EPDM Geomembrane, and AquaWeve materials used in Lake and Pond lining installations. We also fabricate flexible air distribution tubing for commercial, industrial and agricultural applications.

Zettler Controls Inc. is a US-based renowned HVACR component manufacturer with an extensive offering of relays, thermostats, transformers, heat sequencers, temperature sensors, and fan centers.

Zimmer's Heating & Cooling business has expanded to include residential, retail, and commercial heating and cooling.