ASHRAE
- American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. publishes standards in the areas of HVAC and refrigeration for use by contractors, engineers, building owners and building code bodies.
- http://www.ashrae.org

National Air Filtration Association
- Association is comprised of individuals and companies engaged in the sale, service and manufacture of the air filtration products. Membership, bylaws, training, certification, events, and forum.
- http://www.nafahq.org

BSRIA
- Agency that offers independent research, information, testing, consultancy, management and market intelligence to manufacturers and industry.
- http://www.bsria.co.uk

Air Movement and Control Association
- Association for manufacturers of air system equipment including fans, louvers, dampers, air curtains, airflow measurement stations, and acoustic attenuators. Publications, membership, certified ratings program and seminars.
- http://www.amca.org/