News

Houston, TX - August 2, 2005 - Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industrial and institutional heating, ventilation and air conditioning ("HVAC") services, today announced net income of $4,678,000 or $0.12 per diluted share, for the quarter ended June 30, 2005, as compared to net income of $4,174,000 or $0.10 per diluted share, in the second quarter of 2004. Excluding the debt cost write off, net income from continuing operations was $5,084,000 or $0.13 per diluted share in the second quarter of 2005.

The Company reported revenues from continuing operations of $240,369,000 in the current quarter as compared to $202,299,000 in 2004. The Company also reported free cash flow of $10,808,000 in the current quarter as compared to free cash flow of $11,647,000 in 2004. Backlog as of June 30, 2005 was $643,214,000 as compared to $594,078,000 as of March 31, 2005 on a same-store basis.

Bill Murdy, Comfort Systems USA's Chairman and CEO, said, "Our increases in earnings and revenues reflect steady progress in our operational focus and initiatives. We were especially pleased to report strong cash flow despite our heavy investment in working capital due to higher activity levels."

The Company reported net income for the six months ended June 30, 2005 of $5,207,000 or $0.13 per diluted share as compared to net income of $5,217,000 or $0.13 per diluted share in 2004. Excluding the debt cost write off, net income from continuing operations was $5,624,000 or $0.14 per diluted share for the six months ended June 30, 2005. The Company reported revenues of $442,807,000 from continuing operations for the first six months of 2005, as compared to $392,776,000 in 2004.

Murdy continued, "We are experiencing our busiest summer in a number of years, and our primary focus remains execution. We feel that strong activity levels provide us with a good opportunity for further improvement during the remainder of 2005."

As previously announced, the Company will host a conference call to discuss its financial results and position in more depth on Wednesday, August 3, 2005 at 10:00 a.m. Central Time. The call-in number for this conference call is 1-210-234-0002. A replay of the entire call will be available until 6:00 p.m. Central Time, Wednesday, August 10, 2005 by calling 1-203-369-3360.

Comfort Systems USA is a premier provider of business solutions addressing workplace comfort, with 59 locations in 51 cities around the nation. For more information, visit the Company's website at www.comfortsystemsusa.com.

This press release contains 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, among others, retention of key management, national and regional weakness in non-residential construction activity, difficulty in obtaining debt financing or bonding, shortages of labor and specialty building materials, seasonal fluctuations in the demand for HVAC systems and the use of incorrect estimates for bidding a fixed price contract and other risks detailed in the Company's reports filed with the Securities and Exchange Commission. These forward-looking statements speak only as of the date of this release. Comfort Systems USA, Inc. expressly disclaims any obligation or undertaking to release publicly any updates or revisions to any forward-looking statement contained herein to reflect any change in Comfort Systems USA, Inc.'s expectations with regard thereto or any change in events, conditions or circumstances on which any such statement is based.