 TULSA, Okla., Oct. 18, 2021 GLOBE NEWSWIRE -- AAON, Inc. NASDAQ: AAON, a leader in innovation and the production of premium-quality, high-performance, energy-efficient HVAC products for nonresidential buildings, released its 2020 Sustainability ESG Report. In the report, the company highlights sustainability practices, achievements, as well as long-term targets. Highlights for the year 2020 include: 