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.

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.

XOi Vision is a cloud-based mobile application that uses visual intelligence to arm technicians with on-site digital resources and access to remote live support.

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.

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.

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.

Zeds Air LLC offer expert AC and heating services in West Houston. They can solve varied air conditioning or furnace issues in homes and commercial properties! Their team specializes in HVAC repair services, such as heating repair, cooling repair, and AC installation services.

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.

1st Class Air Service has a team that can provide for all air conditioning and heating needs. 1st Class Heat & Air, Inc. is a family-owned and operated HVAC company, serving Plano, Dallas, and the surrounding areas in the State of Texas. They provide a full range of residential heating, ventilation, and air conditioning services.

At A.P. Tupy Mechanical, they specialize in ensuring year-round comfort in their home with expert care for both furnaces and air conditioning units. Founded on a commitment to excellence, their team of skilled professionals is dedicated to providing premium service that keeps the heating and cooling systems running at their best.

AAD Transport is a renowned HVAC services, management and vehicles provider company, based in Kirriemuir, Scotland.

Acclimatise devise and install temporary temperature control and air handling solutions for a vast number of different organizations right across the private and sectors, including commercial, industrial, and governmental projects. They’re ISO accredited, and remain fully committed to providing only the most efficient, compact and ecologically friendly systems available in the UK and Europe.

Stay cool and comfortable with Accord Air's reliable and efficient mini split AC installation service in San Diego.

Accurate Plumbing is a family owned company established 1990. Accurate Plumbing Company is there when users want them.

ACL repairs all makes and models of air conditioning units in London, from small residential-sized to big-scale industrial-sized. There is nothing that they do not know about Air conditioning systems.

ACRV AIRCON PROJECTS is India’s one of the best companies in terms of all the air Conditioning need of the current market scenario. They fulfil the air-conditioning needs of a large number of corporate and commercial customers and have also established leadership in the field of commercial refrigeration equipment.

Action Furnace has been Calgary’s trusted HVAC expert since 1975, offering comprehensive services, including furnace, air conditioning, & heat pump repairs, as well as installations, maintenance, & tune-ups. They specialize in hot water heater installations & repairs, including tankless systems. Their indoor air quality solutions encompass air filtration systems, humidifiers, & duct cleaning.

ActronAir is an Australian company that is globally recognized for manufacturing world-class air conditioners, control equipment, wall hung splits, multi head units, cassettes, low profile ducted systems, split ducted systems, and packaged units.

Adcock Refrigeration and Air Conditioning design, install, service and care for systems in commercial, industrial and individual residential premises right across the UK. They offer Refrigeration, Air Conditioning, Heat Pumps, Ventilation, Bespoke Design Services, Equipment Servicing, R22 Replacement, System Upgrades, F-Gas, REFCOM, Maintenance and TM44 Energy Assessment services.

Aerify India Pvt. Ltd. is a group of comprehensive entrepreneur and HVAC engineering service providers, providing services and solution to a wide and diversified customer base. They serve customers from all industries, including the construction, industrial, education and hotel industries as well as the public sector undertakings.

AermecHVAC has the experience and expertise to successfully complete all types of Commercial / Industrial projects, installation / commissioning and after sale service for the same. AermecHVAC consistent efforts in innovation have made them a true pioneer in HVAC business.

AfinityMS deals with all kinds of Residential & Commercial Maintenance Services of Air-Conditioning, Plumbing, Electrical, Handyman, Miscellaneous, Water Tank Cleaning, CCTV, Home Cleaning, Carpet Cleaning, Mattress Cleaning, and other Technical Services. They are committed to ensuring the safety of clients and have a well-established technology-based solution to track their technician’s allocation and keep all records of their work with time.

Agronomic IQ sets the HVAC standard for commercial growers by taking advantage of an all-in-one system to deliver the most precise temperature and humidity control in the industry, with exceptional energy efficiency.

AREA is the European organization of air-conditioning, refrigeration, and heat pump (RACHP) contractors. Established in 1988, AREA voices the interests of 26 national members from 22 European countries, representing more than 9,000 companies across Europe (mainly small to medium-sized enterprises), employing some 125,000 people and with an annual turnover approaching € 20 billion.