U.S. Climate Alliance states are committed to taking real, impactful, on-the-ground action that urgently addresses the climate challenge. In becoming an Alliance member, member states commit to achieve the Paris Agreement’s goal of keeping temperature increases below 1.5 degrees Celsius globally.

The mission of the Department of Energy is to ensure America's security and prosperity by addressing its energy, environmental, and nuclear challenges through transformative science and technology 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.

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.

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.

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.

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.

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.

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.

US Fire Pump is a collective of over 200 years of experience in design, manufacturing, marketing and purchasing. Protecting the lives of the public and firefighters while limiting the structural damage caused in large scale fires is the primary mission at US Fire Pump.

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.

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.

Uvdi commitment to protect Public Health using UV technology began over 70 years ago in Los Angeles - and proudly continues here today.

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.

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.

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.

Since 1972, Vanair®, a Lincoln Electric Company, has worked toward one goal – being the industry major in Mobile Power Solutions. During that time, it has collaborated with a multitude of companies to engineer products that deliver a true performance edge. They offer the most comprehensive product line of vehicle-mounted air compressors, generators, welders, hydraulics, Electrified Power Equipment®, chargers/boosters, engine starter, etc.

Vantage EMEA is a brand of Legrand. The company plans, designs and supplies HVAC products for residential and commercial purposes.

Since 1953, Vapco Products has created and distributed cutting-edge and naturally "green" products to the air conditioning and heating industries. Founded and still centrally-located in the St. Louis, Missouri, area, Vapco distributes products retailers and wholesalers worldwide.

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.

VECAMCO has specialized in the manufacturing and trading of accessories for air conditioning units, heating systems, ventilation components, and air treatment systems, becoming, in a short time, one of the pioneer companies in Italy and abroad.