News

Houston, TX – February 8, 2007 – Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industrial and institutional heating, ventilation and air conditioning (“HVAC”) services, announced that it has scheduled its quarterly conference call for Thursday, March 1, 2007 at 10:00 a.m. Central Time to discuss fourth quarter 2006 financial results. The results will be released after the market closes on Wednesday, February 28, 2007. To participate in the call, dial 1-210-234-0000 ten minutes before the conference call begins and ask for the Comfort Systems USA conference. A replay of the entire call will be available until 6:00 p.m. Central Time, Thursday, March 8, 2007 by calling 1-203-369-1012. Comfort Systems USA is a premier provider of business solutions addressing workplace comfort, with more than 60 locations in 53 cities around the nation. For more information, visit the Company's website at www.comfortsystemsusa.com.

Certain statements and answers to questions during the call may contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These statements are based on the current plans and expectations of Comfort Systems USA, Inc. and involve risks and uncertainties that could cause actual future activities and results of operations to be materially different from those set forth in the forward-looking statements. Important factors that could cause actual results to differ include risks detailed in the Company's reports filed with the Securities and Exchange Commission.