Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industrial and institutional heating, ventilation and air conditioning (“HVAC”) services, announces that it has scheduled its quarterly conference call and webcast for Friday, March 1, 2013 at 10 a.m. Central Time to discuss fourth quarter 2012 financial results. The results will be released after the market closes on Thursday, February 28, 2013. To participate in the call, dial 1-888-679-8035 fifteen minutes before the conference call begins and enter 34152352 as the conference passcode. Participants may pre-register for the call at https://www.theconferencingservice.com/prereg/key.process?key=PAJUYYUPQ. Pre-registrants will be issued a pin number to use when dialing into the live call which will provide quick access to the conference by bypassing the operator upon connection. On the next business day following the call, a replay of the entire call will be available until 6:00 p.m. Central Time, Friday, March 8, 2013 by calling 1-888-286-8010 with the conference passcode of 79663760. The call can also be accessed on the Company’s website at http://www.comfortsystemsusa.com under the Investors tab. A replay of the call will also be available on the Company’s website. Comfort Systems USA ® is a premier provider of business solutions addressing workplace comfort, with 87 locations in 72 cities around the nation. For more information, visit the Company’s website at www.comfortsystemsusa.com .