The Association of Installation Consultants, ACI, was born from the desire of a group of Catalan consultancies to have a joint representation tool for the group of installation consultancy professionals before the different agents involved in the building process.

The Catalan Association of Energy, Air Conditioning and Refrigeration Technicians, ACTECIR , is a non-profit organization that brings together, in Catalonia, technicians, professionals, and supporters in air conditioning (cold and heat), ventilation, refrigeration, and energy activities.

ADEME (French Environment and Energy Management Agency) is a public agency under the joint authority of Ministry of Environment, Energy and the Sea and the Ministry of Higher Education and Research. ADEME is involved in the following sectors: renewable energies, air quality, noise control, transport & mobility, waste & recycling, polluted soil and sites, environmental management.

AEDICI, the Spanish Association of Engineers and Consulting Engineers of Installations' installation Consultants have training in engineering and the ability to contribute an analytical and critical point of view to each project with the regulations to be applied.

AFEC, Association of Manufacturers of Air Conditioning Equipment, is a non-profit association, constituted in the year 1977. The Association brings together manufacturers of all the subsectors of air-conditioning.

AFPRO Filters has secured a pioneer role in the international air filtration market. By producing high-quality air filters and offering outstanding service, they make the world safer, healthier and more productive.

Air & Waste Management Association (A&WMA) is a non-profit, non-partisan professional organization that enhances knowledge and expertise by providing a neutral forum for information exchange, professional development, networking opportunities, public education, and outreach to more than 6000 environmental professionals in 65 countries.

AREA is the European organization of air-conditioning, refrigeration, and heat pump (RACHP) contractors. Established in 1988, AREA voices the interests of 26 national members from 22 European countries, representing more than 9,000 companies across Europe (mainly small to medium-sized enterprises), employing some 125,000 people and with an annual turnover approaching € 20 billion.

ACCO offers online HVACR & plumbing apprentice courses for apprentices who need a non-classroom-based method of receiving their apprenticeship instruction.

Air Conditioning Trade Association (ACTA) is a non-profit, contractor-member association that serves free enterprise non-union HVAC, Mechanical, and Service Contractors, as well as their employees and the industrial suppliers that service them. ACTA specializes in training in the HVAC industry through its state- and federally-approved Sheet Metal Apprenticeship Program.

The Air Conditioning, Heating, and Refrigeration Institute (AHRI) is the trade association representing manufacturers of HVACR and water heating equipment, within the global HVACR industry. AHRI’s 315 member companies manufacture quality, efficient, and innovative residential and commercial air conditioning, space heating, water heating, and commercial refrigeration equipment and components for sale in North America and around the world.

Air Movement and Control Association (AMCA) International Inc. is a not-for-profit association of manufacturers of fans, dampers, louvers, air curtains, and other air-system components for commercial HVAC, industrial-process, and power-generation applications.

The Air-Conditioning, Heating, and Refrigeration Institute (AHRI) is the trade association representing manufacturers of air conditioning, heating, commercial refrigeration, and water heating equipment. The association's 300+ member companies produce more than 90 percent of the residential and commercial air conditioning, heating, water heating, and commercial refrigeration equipment made in North America.

Alliance Environmental Group is a premier environmental remediation and indoor air quality services provider in Fairfield, California, USA. Their experienced team works efficiently and follows all relevant Occupational Safety and Health Administration (OSHA) and Environmental Protection Agency (EPA) regulations, in order to ensure that businesses are clear of any hazardous substances.

The Alliance for Responsible Atmospheric Policy (Alliance) is an industry coalition that was organized in 1980 to address the issue of stratospheric ozone depletion. It represents businesses that produced HFCs, as well as manufacturers that used HFCs in air conditioning, refrigeration, appliances, foam insulation, other foam products, electronics, aerosols, and metered dose inhalers.

Alliance to Save Energy is a nonprofit coalition of business, government, environmental, consumer leaders promoting the efficient and clean use of energy worldwide to benefit consumers, the environment, the economy, national security.

American Gas Association, founded in 1918, represents more than 200 local energy companies that deliver clean natural gas throughout the United States of America (USA).

American Lung Association is the leading organization working to save lives by improving lung health and preventing lung disease through research, education and advocacy.

ASHRAE, is a company that focuses on achieving well-being through sustainable technology for the built environment. The Society focuses on building systems, energy efficiency, indoor air quality, refrigeration and sustainability.

Established in 1954, ASES is a 501(c)(3) non-profit that advocates for sustainable living and 100% renewable energy by sharing information, events and resources to cultivate community and power progress.

ASA is the voice of trade contractors to improve the overall business environment for the construction industry. ASA is also the united voice of the subcontractors, specialty trade contractors, and suppliers before all branches (executive, legislative, judicial) and levels (federal, state, local) of government.

At Apollo, their customers are at the core of everything they do. They understand the importance of reliable heating systems in cold climates and the impact they have on the well-being of individuals and the efficiency of businesses. That's why they are dedicated to providing superior products, exceptional customer service, and continuous innovation.

Associated Builders and Contractors (ABC) is a national association with 70 chapters representing more than 21,000 merit shop construction and construction-related firms with nearly two million employees. ABC's membership represents all specialties within the U.S. construction industry and is comprised primarily of firms that perform work in the industrial and commercial sectors of the industry.

The Association of Home Appliance Manufacturers (AHAM) represents manufacturers of major, portable and floor care home appliances, and suppliers to the industry in the United States and Canada. Its mission is serving the home appliance industry while delivering value to consumers through leadership, education and advocacy.

The fundamental objective of Assoclima - Association of Air Conditioning Systems Manufacturers is to contribute to the improvement of the effectiveness and efficiency of the air conditioning systems, pursuing both the well-being of people and the protection of the environment. Assoclima brings together various product groups: heat pumps, fans, components for air distribution, air filters, air conditioning machines and terminal devices.

ATECYR, is the Spanish Technical Association of Air Conditioning and Refrigeration, founded on June 11, 1974, as a national non-profit organization, and whose main purposes are oriented towards the creation, compilation, and dissemination of technical and scientific information, related to the technologies of Heating, Air Conditioning, Refrigeration, and Ventilation, Energy and Environment.

ATMOsphere (formely shecco) is a global, independent market accelerator with a mission to clean up cooling. shecco has repositioned itself as ATMOsphere to adapt to the new post-pandemic reality, updating its service offering to better address the global need for scaling up the clean cooling economy.

BEAMA is the UK's renowned trade association which represents manufacturers of electrical infrastructure products and systems from transmission through distribution to the environmental systems and services in the built environment. They provide services for Electrical Engineering, Smart Systems, Smart Grid, Connected Homes, Building Energy Storage, Heating and Ventilation, Energy Systems, Policy, Smart Metering, Heat Pumps, Installation.

The Bioenvironmental and Structural System (BESS) Laboratory is a research, product-testing and educational laboratory. The lab provides unbiased engineering data to aid in the selection and design of agricultural buildings and assists equipment manufacturers in developing better products.

Breakthrough Energy is dedicated to helping humanity avoid a climate disaster. Through investment vehicles, philanthropic programs, policy advocacy, and other activities, they’re committed to scaling the technologies they need to reach net-zero emissions by 2050.