UEi Test Instruments designs, manufactures, market, service and support portable test equipment that every day enables thousands of professionals to do their jobs around the world. They provide Multi, digital, resistance, temperature, humidity voltage testers, leak detectors, combustion gas, and carbon monoxide analyzers.

UEMSI/HTV provides color push camera systems to inspect ductwork, pipelines, heat exchangers, etc. Also high pressure sewer hose, fittings, and swage equipment.

uHoo is a Hong Kong-based renowned provider of advanced indoor air quality sensor solutions. They provide software solutions and indoor air quality sensors aimed at measuring, analyzing and interpreting indoor air quality data. The company's ‘uHoo Virus Index’ is a patent-pending technology that analyzes air quality data and provides an assessment on the risk of viruses surviving in homes or workplaces.

UK Radiators, they know that buying a radiator and making sure it’s right for you can feel like an overwhelming experience. With over 30 years of collective experience in the heating sector and a passion for sustainability, they offer genuine, impartial advice on the right heating technology.

UKHeatPumps are a specialist supplier & installer of sustainable climate solutions for residential and commercial projects. UKHeatPumps provide full systems design, installation, aftercare, and expert advice on all types of renewable projects.

Around the globe, UL works to help customers, purchasers and policymakers navigate market risk and complexity. UL builds trust in the safety, security and sustainability of products, organizations and supply chains – enabling smarter choices and better lives. Their robust suite of offerings includes testing, inspection, auditing, certification, marketing claim verification, training, advisory services and software solutions.

Ultra Air was founded in 1999 through the enterprise and foresight of its principal, Anthony Licastro whose industry knowledge and experience saw him recognize an opportunity to improve upon the work practices. It is an Australian company providing residential and commercial air conditioning sales, installations, yearly services and corrective maintenance to the building industry and private market.

Founded and headquartered in New York, UltraFlex Power Technologies has provided industrial induction heating equipment and customer-focused solutions worldwide for over 30 years. UltraFlex has sales and support offices in the USA (New York and California), Europe (Bulgaria), India, and South America, with additional support from our global distributors and partners.

ULVAC makes the HELiOT line of portable leak detectors, automatic leak test systems, helium charging and recovery systems and industrial vacuum pumping stations for manufacturing.

Uncle Mike’s Home Service is the go-to AC repair and Installation service provider in Lincroft, New Jersey, USA. They understand the importance of maintaining a comfortable and well-functioning home environment. With years of professional expertise, their team is committed to delivering top-notch HVAC solutions tailor-made to suit specific needs.

Underfloor heating for commercial buildings not only provides a more energy-efficient and sustainable heating system, but also helps to create a feeling of well being. Underfloor heating can support that well being, helping to promote responsive, productive and healthy minds.

Unicel Autotech is a major provider of reliable and cost-effective generator rentals, sales, and installation services in India. They cater to a wide range of industries, events, and projects with short-term or long-term power needs.

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.