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 Heating Hub is the first impartial, consumer website for the domestic heating industry. They have developed their higher efficiency and installation standard to deliver correctly fitted boilers and controls for the customers.

Founded in 1968, HRAI is a non-profit trade association of manufacturers, wholesalers and contractors in the Canadian heating, ventilation, air conditioning and refrigeration (HVACR) industry. HRAI advocates a safe, responsible and fair industry where indoor environment systems and refrigeration processes are designed, installed and serviced by qualified professionals in order to ensure efficient and energy-conscious operation.

The New Flat Rate creates customized menu pricing for services, repairs, and new equipment installations for several different industries including HVAC, Electrical, and Plumbing.

The mission is to help HVAC, plumbing, and electrical company owners grow their businesses, achieve their financial goals, and facilitate planned exit strategies. They offer a flexible investment strategy to provide entrepreneurs with the opportunity to take some “chips off the table” or exit the business through a full cash buyout.

SMACNA members perform work in industrial, commercial, institutional and residential markets. They specialize in heating, ventilating and air conditioning; architectural sheet metal; industrial sheet metal; kitchen equipment; specialty stainless steel work; manufacturing; siding and decking; testing and balancing; service; and energy management and maintenance.

The Testing, Adjusting and Balancing Bureau (TABB) is an organization made up of top heating, ventilating, air conditioning and refrigeration professionals. Since 1981, TABB has set the certification standards for the HVAC industry. TABB is the first and only HVAC testing, adjusting and balancing certification program accredited by the American National Standards Institute (ANSI).

Therma-Stor manufactures a line of residential dehumidifiers, which includes the Santa Fe series of free-standing dehumidifiers and the Ultra Aire by Santa Fe series of whole house ventilating dehumidifiers. Therma-Stor also offers Quest industrial dehumidifiers and the Phoenix line of restoration equipment for dehumidification, air scrubbing, water extraction, and evaporative drying.

Thermco is the area’s premier agency representing manufacturers in the sale of heating, ventilating, refrigeration, air conditioning and plumbing products

Thomas J. Finnegan represents a complete range of heating, air conditioning, and refrigeration equipment, control tools and supplies from world class manufacturers.

Thornhvac is a niche recruitment consultancy that prides itself on having a deep understanding of the HVAC industry in the UK.

Since 1960, Tom's Mechanical, Inc. has been standing apart from competitors by going the extra mile to provide quality service. With an A+ rating from the Better Business Bureau, the company has helped thousands of clients with a wide variety of HVAC services, ranging from the most straightforward to the most complex.

As a locally owned and operated company, Tri-Star Heating & Air takes great pride in their work and always goes above and beyond to provide their customers with the personal attention and top-quality services they deserve. Whether scheduling a routine maintenance appointment or service call for the HVAC equipment, their technicians will treat the service need with the utmost urgency.

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.

TTMD was established in 1992 for the development of Plumbing Engineering and the services it provides to the society in the fields defined in the definition, and today it has become an association where professionals from different disciplines gather for common purposes.

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.

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

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.

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.

Vesta.DS, Inc. was established in 2016 to promote condensing tankless water heaters, combination boilers and heating boilers specifically designed for North America The products are manufactured in South Korea by Datsun Celtic, a company founded in 1982 that introduced European-style gas boilers into the Korean market. Today, their energy efficient products are sold throughout the world. To better serve industry, Vesta has regional sales

Vetter GmbH has been a pioneering provider of emergency pneumatics. Specializing in pneumatic rescue equipment and shelters for fire services and medical teams, Vetter combines innovation with a deep understanding of rescuers’ needs. Their commitment to quality and customer-oriented solutions sets them apart, making them the preferred choice for emergency professionals worldwide. In 2004, Vetter GmbH became a trusted partner of IDEX Fire.

Vigour Unity was founded in 2019. Since then, they have become the leading provider of efficient HVAC solutions in Egypt, using VRF technologies to deliver a wide range of HVAC solutions, including Suppling, Maintenance, Aftersales Services, Studying, Technical Support, and System Selection. Their experienced, committed, and innovative mechanical engineers are specialized in VRF Systems.

Viscofan - The Viscofan Group is the world leader in artificial casings for meat products which it distributes in over 100 countries worldwide. Thanks to the Viscofan Group’s wide range of technologies and its employees' know-how, it offers innovative solutions that are transforming the artificial casings market.

Warm Homes Suffolk - The Warm Feeling Fund is a partnership program with Suffolk Councils (East Suffolk Council, Suffolk County Council, Ipswich Borough Council, Babergh, and Mid Suffolk District Councils and West Suffolk Council). It is funded by Department for Business, Energy & Industrial Strategy (BEIS).

Women in HVACR was organized exclusively for educational purposes to further the growth of women in all areas of the HVACR industry, including technical, sales, management and ownership. Women in HVACR holds it's annual conference in conjuntion with Comfortech each year.

World Environment Center is an independent, global non-profit, non-advocacy organization that advances sustainable development through the business practices of member companies and in partnership with governments, multi-lateral organizations, non-governmental organizations, universities and other stakeholders.

The World Plumbing Council (WPC) is an international organization which aims to develop and promote the image and standards of the plumbing Industry worldwide. World Plumbing Day is an international event on March 11 every year, initiated by the World Plumbing Council as a means of highlighting the important role plumbing plays in the health, safety and sustainability of the community.

The Worshipful Company of Plumbers is a Livery Company that aims to support and make a difference within the ancient industry of plumbing. It assists and supports charities and trainees, partners with industry through affiliations, and works closely with the Lord Mayor and the City of London.

The Wyss Institute at Harvard University uses biological design principles to develop new engineering innovations that will transform medicine and create a more sustainable world. By emulating biological principles of self assembly, organization and regulation, they are developing disruptive technology solutions for healthcare, energy, architecture, robotics, and manufacturing, which are translated into commercial products and therapies.