AAON Inc (AAON) manufactures heating, ventilation, and air conditioning equipment (HVAC). Its products include chillers, air handling units, heat recovery units, rooftop units, make-up air units, commercial self-contained units, and condensing units and coils.

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

The company carries out R&D through the Norman Asbjornson Innovation Center (NAIC) laboratory facility, which is established in an area of 134,000 square feet (sq. ft.). It conducts R&D for rooftop units, air-handling units, chillers, condensing units, self-contained units, water-source heat pumps, air-source heat pumps, geothermal heat pumps, fluid coolers and boilers. It focuses on component evaluation and refinement, development of control systems and new product development. The laboratory is featured with supply, return, and outside sound testing at actual load conditions. It is also equipped with testing up to a 300-ton air conditioning system, testing up to a 540-ton chiller system, and 80 million British thermal units per hour (Btu/h) of gas heating test capacity. Its environmental application testing capabilities include up to 8 inches per hour rain testing, -20° Fahrenheit (F) to 140° F testing conditions, up to 50 mph wind testing and up to 2 inches per hour snow testing. The company conducts R&D through twelve testing chambers. In FY2022, the company spent US$46.8 million on R&D, which stood at 5.2% of the company’s revenue.