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.

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.

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.

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.

Yanmar Holdings's brand statement is “A Sustainable Future” which encapsulates the company's goal of realizing a sustainable society where people coexist with nature. Since the company was founded in 1912, they have spent over a century helping to resolve issues around the globe and bring about a brighter tomorrow.

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.

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.

Stainless steel and aluminum chimney liner in both flexible and rigid; Z-Vent special gas vent pipe CAT II, III, IV. 3 gas fired heating; OEM manufactured product for all heating equipment.

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.

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.

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.

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.