Comfort Systems USA (NYSE:FIX) reported quarterly earnings of $10.51 per share which beat the analyst consensus estimate of $6.78 by 55.01 percent. This is a 121.26 percent increase over earnings of $4.75 per share from the same period last year. The company reported quarterly sales of $2.865 billion which beat the analyst consensus estimate of $2.384 billion by 20.17 percent. This is a 56.47 percent increase over sales of $1.831 billion the same period last year.