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.

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.

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.

At Ultra Air HVAC, they pride themselves on providing reliable, high-quality heating, cooling, and gas appliance services to homes across Ottawa. With years of experience in the HVAC industry, their team is dedicated to keeping homes comfortable year-round. From furnace and A/C installations to emergency repairs, they deliver professional service with a 100% satisfaction guarantee.

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.

UniColorado is a locally-owned HVAC contractor that has served the Denver community for over 10 years. They are a trusted source for heating, air conditioning and electrification needs in the Denver, Centennial & surrounding areas. Their experienced professionals specialize in heat pump installation and furnace installation, ensuring the living space remains warm during the chilly winter season.

United State Solutions is a licensed home improvement contractor operating in Florida, specializing in energy-saving solutions and comprehensive home improvement programs. As a seasoned contractor in the state, they provide a range of services, including AC installation and repair, air duct replacement, attic insulation, roofing services, and energy-efficient window installations or replacements.

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 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.

Regardless of how complex, large, or small issues may be, Valley City Mechanical has the experience and skillset required to help fix them. Their technicians can service all makes and models of equipment, ensuring all needs are effectively fulfilled, when they visit a home or business.

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

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

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

At Vantage General Contractors, they provide expert HVAC installation, repair, and replacement services in Dallas, TX. Their certified technicians use modern methods and the latest technology to deliver fast, reliable solutions for both residential and commercial customers.

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.

VELTEK is Denmark's largest technical trade association, and represents approximately 125 companies with a total turnover of over DKK 30 billion in Denmark. They safeguard the interests of the industry and members by facilitating subject-related knowledge and advising on industry-relevant matters.

Vendigo is the provider of a point-of-sale financing to the home improvement industry connecting consumers, merchants and lenders. We want to offer consumers the highest approval rates and the best loan terms by partnering with market leading banks and other lending institutions.

Veneta Componenti provides air filtering and HVAC solutions and is based out of Italy.

Ventilation Engineering Co., Ltd. (VENCO) has been established since March 2004. The team members have been involved in the HVAC and industrial business for almost 20 years. They supply HVAC products and solutions all project types such as office building, hotel, commercial building, theatre, hospital, academic, airport, industrial projects, including power plant.

VENTWELL CORPORATION will supply premier quality products and premier service to our customers so that our performance will help customers maintain a profitable, growing business as they serve their respective markets. understand that mutual success with our customers is the key to long term, enjoyable business relationships.

VDMA is an association that represents the common economic, technical and scientific interests of the mechanical engineering industry, especially towards national and international authorities and business circles.

Verdant is one of the major HVAC manufacturers and suppliers in the United Arab Emirates (UAE). They provide a wide range of products and with their flexible manufacturing system, they also offer customization as per their customers requirements at very competitive prices. Verdant Industries aims to be the most reliable and innovative company in the field of HVAC and building equipment by providing the best solution and services.

Veri-Dry LLC, DBA/DXAir provide custom built solutions that truly control the humidity and air quality in pool rooms/natatorium. They also provide Pool Dehumidifiers for commercial and residential applications.

Veris Industries is an energy and environmental sensor partner that provides quality products for commercial HVAC and other automation applications. Veris has an extensive product portfolio that includes a wide array of control devices including air quality sensors, current sensors, leak detection systems, power and energy monitors, pressure sensors, relays, temperature sensors, and more.

Verizon Networkfleet offers a full suite of industry-defining solutions and services that put innovation, automation and connected data to work for customers and help them be safer, more efficient and more productive. With more than 3,500 dedicated employees in 15 countries, they deliver leading mobile technology platforms and solutions.

Versan Limited is a UK-based company that works on installing and servicing HVAC systems and equipment.