American Society of Heating, Refrigerating, and Air-Conditioning Engineers:International technical society.
Air Movement and Control Association: Provides publications, membership, certified ratings program and seminars for manufacturers of air system equipment including fans, louvers, dampers, air curtains, airflow measurement stations, and acoustic attenuators.
Chartered Institution of Building Services Engineers (CIBSE): UK-based institution for building services including heating, ventilation and air conditioning.
Cooling Technology Institute: Nonprofit self-governing technical association dedicated to improvement in technology, design, performance and maintenance of cooling towers. Membership, publications, certification, and meetings.
Eastern Michigan ASHRAE: Newsletter, calendar of events and the contact to the society's officers.
South African Institute of Refrigeration & Air Conditioning: Site gives details about the organisation including training courses, journals and data manuals.
The Wichita Chapter of ASHRAE: This site describes the activities of the Wichita, Kansas chapter of the ASHRAE.