UNICO Inc. is the maker of The Unico System which is a small-duct, high-velocity central heating and air conditioning system.

The Unico System is a small-duct, high-velocity central heating and air conditioning system. Ideal for custom & new home construction, historic preservation, older home retro-fit, and commercial applications, The Unico System takes less than one-third the space of a traditional HVAC system.

Uniflair are a supplier of technologically advanced cooling solutions for critical environments with a policy of continual innovation. Uniflair invests over 5% of turnover (not profit) into research and development of both new cooling technologies and upgrades to existing products.

United AC Supply is one of the premier distributors of HVAC/R products in Houston, Texas, USA. They deal with all Air Conditioning, Refrigeration,Heating and Ventilation needs and represent all major manufacturers across the country.

United CoolAir Corporation manufactures 1 to 90 ton "All-Indoor" Modular HVAC Solution systems for Commercial and Industrial Cooling as well as 100% Outside Air applications.

United Technologies Corporation provides technology products and services to building systems and aerospace industries worldwide. The company's UTC Climate, Controls & Security segment offers electronic security products, including intruder alarms, access control systems, and video surveillance systems; and fire safety products, as well as systems integration, video surveillance, installation, maintenance, and inspection services.

Unity Cooling Systems is a commercial refrigeration company in Houston , has been providing quality cooling systems to businesses for over 20 years. They specialize in custom/build walk-in coolers and freezers, meat cases, milk cases, commercial air conditioning, and air conditioning repair.

Universal Electronics Inc. is the pioneer in universal control and sensing technologies for the smart home. Its broad portfolio of over 300 pending and current patents includes the world’s most complete database to connect and control thousands of entertainment viewing devices.

Universal Piping Industries (UPI) is a pioneer in the design, fabrication and installation of industrial piping & plumbing systems and HVAC systems for industrial/commercial facilities.

At UNO IMPIANTI S.R.L., they provide air conditioning solutions and are based out of Italy.

Upstate Parts & Supply, Inc. (UPSTATE) was established in 1986 as an air conditioning equipment & parts wholesaler, with its principal sales focus being within Central New York State

URI is a a distributor of air conditioning and refrigeration compressors. They remanufacturer open and semi-hermetic types 5-125hp. URI has been serving the HVAC and refrigeration services industry for more than forty years.

US Air Conditioning Distributors is one of the largest HVAC distributors and cater to HVAC needs from residential to commercial to industrial including equipment, controls, parts, supplies, and sheet metal.

USA Refrigerants distributes refrigerants to HVAC Contractors and HVAC Wholesalers through a comprehensive network of distribution centers and reclamation facilities, providing fast and efficient deliveries. Since 1992, USA Refrigerants is a national refrigerant distributor known for reliable, efficient service for refrigerant sales and BuyBack needs.

Utilidex provides a SaaS platform for some of the largest energy customers and energy suppliers in the energy market. Utilidex provides a market-renowned energy platform, handling large amounts of data, evolving to support three specialized products in energy billing, trading, and energy management, which are used by some of the leading customers and suppliers in the UK energy market.

Founded in 2003, Utilita was created to challenge the Big 6 energy suppliers by empowering everyone with a fair and flexible service that’s good for the pocket and planet.

Utility Pro's is a local mechanical and electrical business that offers a range of services including but not limited to Plumbing, Electrical, Air conditioning, Heat pumps and Renewables, Solar PV and Thermal, EV chargers, Security and Smart Technology plus much more.

UV Diffusers act as a shield removing pathogens from the air coming from the ventilation system before it enters the room. The disinfected air is then mixed with the air present in the room to reduce the concentration of contaminants. UV Diffusers improve ventilation efficiency while preventing the spread of airborne diseases.

UV Resources are a globally renowned company in UV-C disinfection and HVAC efficiency. They help disinfect airstreams, mitigate disease transmission, and kill microbial contaminants that impede HVAC efficiency. Company founders pioneered the application of UV-C energy in HVAC equipment nearly 25 years ago. Currently, they supply market-renowned germicidal UV solutions to facility managers and building engineers around the world.

Vairtech is committed to developing a variety of new models to meet the needs of the market and high quality. It is specialized in the production of various aluminum alloy air vents, aluminum foil expansion pipes, inspection ports, aluminum foil tapes, purification filters, air duct regulating valves.

VAK offers a complete design, manufacture, installation, and commissioning service.

Valiant Air provides a wide range of HVAC services that aim to keep your property comfortable all year long. They take pride in providing specialized attention to each of the clients while extending the life of their heating and cooling systems. The team members are trained and capable of handling all HVAC needs effectively and in no time.

Valleytech Ltd is a family run company established in 2005. We provide all aspects of heating services including boiler installation, maintenance & repair.

Valtec-Umisa SA is a company in the metallurgical sector, with a long tradition and experience in the field of manufacturing and installing Pressure Equipment, mainly steam generators.

Van Druen Heating & Air Conditioning is into air conditioning, heating solutions, indoor air quality, etc and is based out of the USA.

In more than forty-five years since their founding in an old onion set warehouse in South Holland, Van Drunen Heating and Air Conditioning’s goal has remained the same, taking care of people.

Varitec, a member of the DAIKIN group, is a pioneer in the engineering, developing, and installing of large-scale, energy-efficient HVAC systems for commercial buildings. Whether we’re starting from scratch, upgrading an existing system, or setting up ongoing service and maintenance, Varitec is a single source for mechanical contractors, engineers, building owners, and general contractors.

VATANUCOOL is an organization having more than 16 years of experience in Design Engineering, Execution & Service of HVAC and Industrial Process Cooling Solutions and have handled more than 400 Clients from both the public and private sectors.

Vattenfall Wärme Berlin AG is a globally renowned energy solutions company, based in Berlin, Germany. They also offer a range of HVAC maintenance and installation services, including, air conditioning and refrigeration systems.

The services of Vaughn Industries have grown into the industrial/commercial sectors, including electrical, mechanical (HVAC and Pipefitting), plumbing, and high voltage substation, high voltage transmission and distribution construction. They provide High Voltage Transmission and Distribution, High Voltage Sub Station, Commercial/Industrial Mechanical/HVAC, Commercial/Industrial Electrical, Renewable Energies, and Preventative Maintenance.