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.

Witt, founded in 1961, manufactures a complete line of OEM unit coolers, condensing units, condensers, air handlers, coils and packaged systems. A division of HTPG.

Wittichen Supply Company is a wholesale distributor providing the best in class HVAC/R equipment, parts, and supplies to licensed HVAC/R contractors in the Southeastern United States

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.

Wm. W. Meyer & Sons, Inc. are renowned manufacturers of commercial and industrial vacuums for cleaning ducts, boilers, furnaces and chimneys in residential, commercial, institutional and industrial applications.

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.

Wozair specializes in the design and manufacture of high-integrity heating, ventilating, and air conditioning (HVAC) equipment for offshore oil and gas, nuclear, marine, petrochemical, pharmaceutical, process, and energy sectors.

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.

Wright Sales is a premier manufacturer's sales agency for the HVAC/R industry in California, Arizona, Nevada, New Mexico, El Paso, TX and Hawaii.

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.

WSM Industries is a wholesaler and manufacturer of sheet metal, HVAC and specialty products. They also deal with heating, ventilation and air conditioning supplies and manufacture pipe, duct, spiral pipe and fittings, and carry a comprehensive supply of flat sheets, venting, registers and grills, insulation supplies, and Ducane equipment and linesets.

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.

YONCHI are a trading company specializing in the HVAC/R (Heating, Ventilation, Air-Conditioning and Refrigeration) and alloys products, such as copper fittings, manifold, all kinds of gauge, vacuum pump, condenser, compressor, valve, temperature controller, refrigerant(R22, R12, R134, R404, R410), motor, tools etc. For more information, please refer to our website www.yonchi.com

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.

Celebrating over 50 years of business, Yorkland Controls has roots in distributing and warehousing heating control products, such as Flame Safeguard and Burner and Boiler Management Systems. Over the past several years, they have expanded into Building Automation, Security and Lighting Integration, and Smart Building Platforms.

YouGov is an international online research data and analytics technology group. The mission is to offer unparalleled insight into what the world thinks. The innovative solutions help the world’s most recognized brands, media owners and agencies to explore, plan, activate, and track better marketing activities.

Young Supply Company is Michigan & Northern Ohio’s Premier HVAC/R, Food Service Equipment, and Hydronics Wholesaler. Young Supply offers products across four main sales sectors: Refrigeration, HVAC, Food Service Equipment, and HVAC.

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.

From urgent repairs to timely installations, Z PLUMBERZ of North America offers expert plumbing services with long-lasting impact. Since 2007, their full-service plumbing company has served homes and businesses across the country.

Zamil Air Conditioners designs, manufactures, tests, markets and services a comprehensive range of air conditioning products, from compact room air conditioners and mini splits to large scale central air conditioners, chillers and air handling units for highly specialized commercial and industrial 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.