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.

Hays Cleveland Combustion Control Products is a division of UniControl Inc. Industries Served by Hays Cleveland Combustion Control Products include: Commercial and Industrial Markets: fire-tube & water-tube boiler applications. Federal & State Institutions: control and instrumentation systems and services.

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.

Unigulf Development LLC and Air Conditioning Industries LLC are a part of the United Arab Emirates based Unigulf Group. The group has grown to be one of the pioneer player in the HVAC industry. Unigulf Development is known for its service and trust in the HVAC-R Sector in the MEP Industry.

Since 1979, Unilux has designed, refined and perfected its watertube and firetube boilers by building for customers who think not in terms of projects, but in terms of decades. Facility owners and energy service companies whose bottom line depends on predictable lifetime value. Architects and contractors whose future depends on repeat business. And engineers who know a good thing when they see it.

Unipipe Solutions is the master importer for North America of the premier aluminum piping system designed and manufactured by EQO Fluids. Faster to assemble and far less expensive than copper and a quick, light-weight replacement for black iron pipe (that rusts from the inside and damages equipment and processes downstream), Unipipe offers super-fast installation and requires no special tools, crimping, or grooving.

United A/C Supply is a distributor of HVAC/R products in Houston, Texas. They deal with all Air conditioning, Refrigeration, Heating and Ventilation needs and represent all major manufacturers.

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 Refrigeration, Inc. is one of the largest distributors of refrigeration, air conditioning and heating parts and equipment in North America.

United Safety and Survivability Corporation, formerly known as USSC Group, is committed to delivering the most innovative and reliable safety and survivability solutions to protect life and property. They provide active air purification to increase air quality. They also provide PPE safety systems to doctors, nurses, and front-line responders.

United Supply Company has been providing homeowners and contractors with HVAC and Plumbing needs for nearly 100 years. They carry product lines from Ruud, Hart & Cooley, Honeywell, Cerro, Weil-McLain, Simpson Dura-Vent and many other brands.

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 Air Supply is a wholesale and retail manufacturer of air-conditioning and refrigeration equipment, parts, and supplies.

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 Fan & Blower Ltd. are manufacturers of centrifugal and axial FRP composite corrosion resistant industrial and commercial fans.

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.

Universal Supply is the trusted resource for quality building materials and services throughout New Jersey, Southeastern Pennsylvania, Delaware, Maryland and Connecticut. Their products include windows, residential roofing, siding, exterior millwork, commercial roofing, exterior entry doors, etc.

Universal Supply Group, Inc. is a full-service technical supply house and distributor of heating, ventilating and air conditioning (HVAC) equipment, parts and accessories.

UTI brings the heating, ventilation, air conditioning and refrigeration (HVACR) program is designed to prepare users to pursue a career in less than a year. This program prepares students for entry-level careers such as HVACR technician, installation technician and refrigeration technician.

The University of Nottingham is a pioneering university that transforms the lives of 45,000 students at campuses in the UK, China, and Malaysia.

Uniweld Products, Inc. is a U.S. manufacturing company that deals with gas, soldering, brazing, heating and welding equipment and accessories, test equipment, pressure gauges, alloys, manifolds and charging equipment, leak detectors, vacuum pumps, tubing tools.

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

Uplight empowers their customers to take control over their energy usage and bills with personalized and cost-effective Behavioral Energy Efficiency (BEE).

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

Urecon's U.I.P.® processed pipe is insulated with rigid polyurethane foam, the best insulation commercially available on the market today. Founded in 1969, Urecon has been pre-insulating pipe with its void free U.I.P.® insulation process since 1972 out of St. Lazare, Quebec and since 1981 out of our Calmar, Alberta plant. With our system, the pipe is pre-insulated in our factory and arrives on the job site ready to install.

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.