Winsupply Inc. is a supplier of residential and commercial construction and industrial supplies and equipment headquartered in Dayton, Ohio. They conduct business-to-business wholesale distribution of supplies and equipment in plumbing and heating; hydronics; pipe, valves and fittings; HVAC and refrigeration;

WM Aircon is the HVAC supplier in Oxfordshire and the Thames Valley, and is dedicated to the design, installation & service of the latest technology. They specialize in Installation, Service and Maintenance of Air Conditioning and Refrigeration Systems and use the best manufacturers in the industry.

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.

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.

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.

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.

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.

Xtralis provides advanced fire detection for refrigerated storage. Xtralis is the global provider of powerful solutions for the very early & reliable detection of smoke, fire, and gas threats. They protect highly-valued and irreplaceable assets and infrastructure belonging to the world’s top governments and businesses.

Yandle-Witherspoon Supply, Inc. strives to offer impeccable customer service while developing long lasting relationships through business partnerships formed with the HVAC contractor. Providing quality product, a vast array of value added services, education, training, friendly employees and competitive prices allows Yandle-Witherspoon Supply, Inc. to be a major force in the HVAC industry in North and South Carolina.

Yilida always strives for constant growth and improvement to provide high quality commercial & industrial fans and excellent services to satisfy all needs for air conditioning and building ventilation applications. At Yilida the have made a firm commitment to innovation and continually developing intelligent high-efficiency fan motors.

Yorkool Private Ltd is a specialist that provides advanced engineering ideas and transforming it into reality. Their key competencies are in turnkey projects, central cooling plant system retrofitting and maintenance services. They focus on crafting energy-efficient based solutions, creating cost savings and value for the customers.

With state of the art manufacturing facilities grounded in the indispensable conditions of research and innovation, Zeco Aircon develops and designs the machines with cutting edge features and vigorous capacities to deliver, the best quality of air all can breathe. They provide AHU, FCUs, Air Wahers, Air Scrubbers, Metallic Pre Factory Fabricated Ducting/ Pre Insulated Ducting, Pre Insulated Pipes, Cooling Coils, and Chemical Filtration.

Zhejiang MAIDI Refrigeration Technology Co. Ltd, lt is a flourishing High-Techenterprise which was founded in 2002. They specialize in developing and manufacturing the hermetical and semi-hermetic compressors & units, and all kinds of refrigeration parts such as the Filter Drier, Liquid Accumulator and Oil Separator.

Zhejiang SinoKing Air-conditioning & Refrigeration Co.,Ltd. is one of the largest central air-conditioning manufacturer in Zhejiang Province of China. They are specialized in design, manufacture, sales and services of central air conditioning full range of products.

ZONEFIRST is the first company that successfully developed and marketed HVAC Zoning Systems back in the 1950's and is today a renowned manufacturer of HVAC zone dampers and zoning systems. They provide zone control systems, automatic dampers, registers and diffusers for fresh air intake, economizers and ventilation control.

Easy to install and operate zoning, VVT and VAV systems accessed remotely over the internet or on-site from a smart phone, tablet or computer. Zonex manufactures a system for every building and every budget from a 2 zone residential system to auto-changeover bypass VAV products to support up to 400 units. Product line includes, modulating dampers and D-Fusers with a complete line of wireless thermostats along with fresh air dampers and a humidity mitigation system to meet ASHRAE 62.2.

ZOPPELLARO has been operating in the centralized air conditioning sector since 1975. They specialize in the design and construction of custom air handling units to air condition large environments such as hospitals, shopping centers, cinemas, industrial plants and accommodation facilities.