AAON (NASDAQ:AAON) reported quarterly earnings of $0.22 per share which missed the analyst consensus estimate of $0.34 by 36.05 percent. This is a 64.52 percent decrease over earnings of $0.62 per share from the same period last year. The company reported quarterly sales of $311.57 million which missed the analyst consensus estimate of $326.13 million by 4.47 percent. This is a 0.64 percent decrease over sales of $313.57 million the same period last year.