DG Haustechnik represents its members on a national and international level and offers them work and decision-making aids on fundamental issues relating to the market, competition, economic policy, business administration, finance and taxes, training and further education or advertising. The DG Haustechnik also promotes the cooperation of the building technology wholesalers with the companies of the next economic level.

The Maintenance Network specialize in providing comprehensive HVACR maintenance and repair services, available 24/7 to meet varying needs. Their expert technicians are skilled in all aspects of electrical, HVAC, and refrigeration systems, ensuring equipment runs smoothly year-round. They also offer professional installation of UV lighting to enhance indoor air quality (IAQ).

The Nixon Group are renowned Georgia-based HVAC equipment and systems service, maintenance and repair providers.

Thin Air Energy are renowned for creating best in world power storage and lighting products for use in emergency, camping, and harsh environment markets.

Thomas Home Services is the renowned home service contractor serving Chandler, Arizona and the surrounding areas. They have provided the finest in quality HVAC and plumbing services since 1946, and they’ve served the entire Phoenix and East Valley area since 1994. The company offers top-quality HVAC, plumbing, and appliance services.

Since 2005, Thomas Service Company has become Huntsville, Alabama's choice for reliable, honest, and affordable home services. They provide the very best in installation, service, and repair for all your heating, cooling and plumbing needs. They are available for Plumbing, Heating, Ventilation and Air Conditioning (HVAC) needs around most of North Alabama and Southern Tennessee.

Thorndale's Heating and Cooling are specialists in the supply and installation of air source heat pumps - air conditioning for domestic and commercial applications, such as log cabins, static caravans, conservatories, outbuildings, Airbnb, small rental properties, bedrooms and garages.

Timilon Corporation is an innovative and rapidly growing company, focused on the development and commercialization of proprietary nano-chemistry technologies and materials. The primary performance capabilities of the materials are to destroy, neutralize, eliminate, and/or protect against a wide variety of toxic chemicals, noxious odors, and biological hazards.

Timo’s is a family-owned HVAC company that offers premium service and competitive pricing to the Palm Springs and Palm Desert areas in California. Built on professionalism, innovation and old school values, their team considers customers a part of their family - and treats homes as if they were their own.

Toolstation is one of United Kingdom’s best-known multi-channel retailer of tools, accessories, HVAC, electronics and building supplies.

Top Shelf Heating are expert professionals who can help with any and all HVAC needs. They offer an array of HVAC services in and around Boise, Idaho and they have become known as one of the best HVAC firms in terms of customer relations, pricing, and honesty.

As a privileged partner of the pharmaceutical industry, Transports Chabas (CHABAS) provides transport and storage for more than 48 hours, with full temperature control and security for the products entrusted to them. Thanks to their innovative and efficient monitoring, control and tracking tools, they can guarantee traceability throughout the transport process and ensure that you receive information quickly and adapted to your needs.

Trimble is an industrial technology company transforming the way the world works by delivering solutions that enable our customers to thrive. Core technologies in positioning, modeling, connectivity and data analytics connect the digital and physical worlds to improve productivity, quality, safety, transparency and sustainability.

TruEnergy is an Ofgem licensed energy supplier offering bespoke contracts for businesses and is the supplier of choice for utility splitting companies. TruEnergy works with entrepreneurs, property landlords, facility managers and businesses to make energy procurement simple and cost-effective.

Tucker Hill Air, Plumbing and Electric – Phoenix offers the best plumbing & electric services, and is a renowned residential plumbing and HVAC service provider, serving the residents of Phoenix, Arizona and surrounding communities. With a team of highly-experienced HVAC, plumbing and electrical professionals, the company is committed to providing quality service at competitive prices to ensure the highest levels of customer satisfaction.

TAS Energy is a global technology company that provides clean, economic, modular energy solutions by focusing on the energy efficiency and renewable energy markets. They design and manufacture modular energy systems for the power generation industry; the district, commercial and industrial process cooling industries; data center/mission critical facilities; and the renewable energy sector.

Turbo Home Services is serving Houston since last 15 Years for plumbing service and repair. From leak detection to clogged drains to whole-home re-pipes, the Pros at Turbo Home Services provide the full spectrum of plumbing services. Turbo Home Services has experienced, licensed, and trained technicians. They offer a wide range of heating and cooling 24-hour AC, Piping and Heating services in Houston, Texas, USA.

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.

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.

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.

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.

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.

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.

Verdantix is an independent research and consulting firm with a focus on innovative technologies that optimize business operations. They have expertise in environment, health, safety, quality, operational risk, as well as smart building technologies.

Vertiv brings together hardware, software, analytics and ongoing services to ensure its customers’ vital applications run continuously, perform optimally and grow with their business needs. Vertiv solves the most important challenges facing today’s data centers, communication networks and commercial and industrial facilities with a portfolio of power, cooling and IT infrastructure solutions and services that extends from the Cloud to the Edge.

Veryable is a marketplace for on-demand labor for manufacturing and distribution, which provides businesses with higher productivity and fewer administrative burdens and workers with flexible work arrangements.

Founded in 1975, Vibration Isolation has over 30 years experience in the design and manufacture of reliable, quality products engineered for cost-effective control of vibration, shock and noise. Their products include a complete line of open and housed spring mountings, spring and neoprene hangers, and neoprene mounts and pads. Structural bases and rails, inertia base pouring forms, and seismic mounts and restraints.

Viva Training delivers first-class building services courses, for heating installers, new entrants, and RACHP engineers. Based in Halifax, Yorkshire, they provide a range of gas qualifications, designed for both experienced engineers who need to keep their ACS up to date and career changers looking to upskill or start something completely different.

VKK - Vaasan Kuljetuskanavat Oy is a plant supplier of heat and steam production plants operating on biofuel - one of Finland's operators. Vaasa's Kuljetuskanavat specializes in deburring of the mechanical wood processing industry and transport and handling systems for various materials in demanding industrial environments. Together, the companies form the VKK Group Oy group.