About AAON

AAON (NASDAQ:AAON) is engaged in the engineering, manufacturing, marketing and sale of semi-custom heating, ventilation and air conditioning equipment (HVAC) for commercial use. AAON is a world leader in creating comfortable and healthy indoor environments, efficiently, through the manufacture of premium HVAC equipment.


AAON, Inc. was founded in 1988 with the acquisition of the heating and air conditioning division of the John Zink Company. AAON Coil Products, Inc. was founded in 1991 with the acquisition of Coils Plus, Inc. of Longview, Texas. AAON further expanded operations with the acquisition of WattMaster Controls, Inc. in Parkville, Missouri, expanding AAON Controls knowledge and development.  

Expansion and growth continue today with the addition of new production lines and new machinery. The Tulsa offices and manufacturing facilities are more than 1.51 million sq. ft.; the Longview offices and manufacturing facilities are more than 263,000 sq. ft.; the Parkville facility is 48,500 sq. ft. In the three plants combined, AAON employs more than 2,000 individuals.

On December 10, 2021, AAON announced the completed acquisition of BasX Solutions, headquartered in Redmond, Oregon.  BasX specializes in the design, engineering and manufacturing of custom, high performance cooling solutions for the rapidly growing hyperscale data center market. BasX also designs and manufactures custom solutions for cleanroom environments for the bio-pharmaceutical, semiconductor, medical and agriculture markets, as well as custom, energy efficient air handlers and modular solutions for a vast array of markets.

Our knowledgeable independent manufacturers’ representatives can help you select the right equipment to meet your needs whether they are heating, cooling, dehumidification, air movement, energy recovery or a number of other HVAC needs. You can easily find an AAON sales representative near you with our AAON Representative Locator.