Generated by GPT-5-mini| AHR Expo | |
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![]() ASHRAE · Public domain · source | |
| Name | AHR Expo |
| Status | Active |
| Genre | Trade show |
| Frequency | Annual |
| Venue | Various convention centers |
| Location | United States |
| First | 1930s |
| Organizer | American Society of Heating, Refrigerating and Air-Conditioning Engineers |
| Attendance | Typically tens of thousands |
AHR Expo
The AHR Expo is an annual trade exposition for the heating, ventilation, air conditioning, refrigeration, building automation, and indoor air quality industries. The show brings together manufacturers, engineers, contractors, designers, distributors, researchers, and policymakers from across North America and internationally at major convention centers such as those in Chicago, Las Vegas, and Orlando. Attendees encounter product launches, standards discussions, continuing education, and demonstrations tied to organizations like ASHRAE, ARI, AHRI, and institutions including National Institute of Standards and Technology, U.S. Department of Energy, Environmental Protection Agency, and American Society of Mechanical Engineers.
The exposition serves as a marketplace and technical forum where companies ranging from multinational corporations like Johnson Controls, Carrier Global, Daikin, Trane Technologies, Honeywell International and Siemens to niche firms and startups present refrigeration systems, heat pumps, ducts, fans, chillers, boilers, controls, compressors, and sensors. Suppliers overlap with building integration firms such as Schneider Electric, Legrand, Bosch, Rheem, Bradford White, Emerson Electric, Mitsubishi Electric, LG Electronics, and Panasonic Corporation. Professional societies and trade associations including ASHRAE, Air Conditioning Contractors of America, National Association of Home Builders, American Institute of Architects, Institute of Electrical and Electronics Engineers, and U.S. Green Building Council often coordinate sessions or co-locate events. Governments and standard bodies like Underwriters Laboratories, Canadian Standards Association, British Standards Institution, International Energy Agency, and International Organization for Standardization participate through exhibits or panels.
Origins link to early 20th-century trade gatherings and technical meetings involving firms such as Westinghouse Electric, General Electric, and Ingersoll Rand; later growth paralleled postwar construction booms involving Skidmore, Owings & Merrill, Gensler, and Turner Construction Company. Key milestones include adoption of refrigerants after research from laboratories like Bell Labs and regulatory shifts influenced by actions from Montreal Protocol negotiators, U.S. Environmental Protection Agency rulemaking, and initiatives by ASHRAE committees. The Expo evolved through technological waves — adoption of CFC substitutes following work by scientists connected to Nobel Prize committees, digital controls after innovations associated with DARPA-funded research, and efficiency pushes tied to programs from the U.S. Department of Energy and European Commission. Major venues reflect links to urban development projects involving municipal governments of New York City, Los Angeles, Atlanta, and Houston.
Exhibitors showcase categories that intersect with firms and products tied to Carrier Global chillers, Trane Technologies air handlers, Johnson Controls building automation, Daikin heat pumps, Emerson Electric compressors, Honeywell International sensors, and Schneider Electric power distribution. Other exhibitors include Siemens controls, Mitsubishi Electric VRF systems, LG Electronics residential HVAC, Panasonic Corporation ventilation, Bosch hydronic boilers, Rheem water heaters, Bradford White storage tanks, Daikin Applied commercial solutions, Swegon air distribution, Toshiba drives, Danfoss valves, Alfa Laval heat exchangers, Kawasaki compressors, Carrier rooftop units, LG inverter technology, Hitachi chillers, Midea Group HVAC, Fujitsu General ductless systems, and A.O. Smith water heating. Categories include refrigeration technology presented by Emerson Climate Technologies, controls and automation from Honeywell, ducts and airflow solutions from Lindab and Greenheck, filtration from Camfil and MANN+HUMMEL, and indoor air quality monitoring from 3M and Thermo Fisher Scientific. Demonstrations often involve standards or test methods from ASHRAE technical committees, certification programs by AHRI, and safety testing referencing Underwriters Laboratories.
Programming features technical sessions, short courses, and seminars developed by ASHRAE and partner organizations like Air Conditioning Contractors of America, American Society of Plumbing Engineers, National Fire Protection Association, Society of Heating, Refrigerating and Air-Conditioning Engineers committees, and academic partners such as Massachusetts Institute of Technology, Carnegie Mellon University, University of Illinois Urbana-Champaign, Georgia Institute of Technology, University of Michigan, and University of California, Berkeley. Continuing education credits may be offered in conjunction with licensing boards from states like California, Texas, and New York and professional bodies like The Chartered Institution of Building Services Engineers. Sessions cover topics tied to standards development by ISO, energy policy discussions referencing International Energy Agency, refrigerant transitions linked to Montreal Protocol outcomes, and research dissemination from labs including National Renewable Energy Laboratory, Lawrence Berkeley National Laboratory, and Argonne National Laboratory.
Attendance draws delegates including contractors, engineers, architects, distributors, and journalists representing firms such as AECOM, Jacobs Engineering Group, CBRE Group, Jones Lang LaSalle, Turner Construction Company, Skanska, Bechtel, and Fluor Corporation. Exhibitor lists often feature multinational suppliers like Siemens, Honeywell, and Johnson Controls and regional manufacturers tied to clusters in Midwest United States, Southeast United States, and Northeast United States. The economic impact involves hotel bookings, convention center revenues, and vendor sales, with local chambers of commerce and convention bureaus such as Chicago Convention & Tourism Bureau and Las Vegas Convention and Visitors Authority reporting measurable benefits. Awards and recognitions presented at the event have included product innovation honors and sustainability awards associated with trade media like ACHR News, HVACR Business, Contractor Magazine, and industry rankings by Building Design+Construction.
The Expo is organized in partnership with professional societies and trade associations including ASHRAE, Air Conditioning Contractors of America, Refrigeration Service Engineers Society, National Association of Home Builders, American Institute of Architects, Air-Conditioning, Heating, and Refrigeration Institute, and media partners like Contracting Business and Engineered Systems. Sponsorships come from corporations such as Carrier Global, Trane Technologies, Johnson Controls, Honeywell International, Daikin', Emerson Electric, and technology companies including Siemens and Schneider Electric. Venue coordination involves convention centers operated by authorities like McCormick Place management, Las Vegas Convention Center operators, and local tourism boards including Visit Orlando and Destination DC.
Category:Trade shows in the United States