CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
CONSOLIDATED STATEMENTS OF OPERATIONS
REVENUE	$ 349,989	$ 335,241	$ 1,026,932	$ 1,015,315
COST OF SERVICES	282,968	279,720	848,477	862,767
Gross profit	67,021	55,521	178,455	152,548
SELLING, GENERAL AND ADMINISTRATIVE EXPENSES	49,404	45,853	141,623	138,781
GAIN ON SALE OF ASSETS	(117)	(99)	(367)	(438)
Operating income	17,734	9,767	37,199	14,205
OTHER INCOME (EXPENSE):
Interest income	5	13	19	21
Interest expense	(347)	(406)	(1,032)	(1,231)
Changes in the fair value of contingent earn-out obligations	750	(38)	696	(105)
Other	83	13	184	82
Other income (expense)	491	(418)	(133)	(1,233)
INCOME BEFORE INCOME TAXES	18,225	9,349	37,066	12,972
INCOME TAX EXPENSE	6,588	3,926	14,366	6,031
INCOME FROM CONTINUING OPERATIONS	11,637	5,423	22,700	6,941
Loss from discontinued operations, net of income tax expense (benefit) of $(18), $77, $(57) and $37	(25)	(98)	(79)	(237)
NET INCOME INCLUDING NONCONTROLLING INTERESTS	11,612	5,325	22,621	6,704
Less: Net income (loss) attributable to noncontrolling interests	233	(348)	948	(2,408)
NET INCOME ATTRIBUTABLE TO COMFORT SYSTEMS USA, INC.	$ 11,379	$ 5,673	$ 21,673	$ 9,112
Basic-
Income from continuing operations (in dollars per share)	$ 0.31	$ 0.15	$ 0.58	$ 0.25
Net income (in dollars per share)	$ 0.31	$ 0.15	$ 0.58	$ 0.25
Diluted-
Income from continuing operations (in dollars per share)	$ 0.30	$ 0.15	$ 0.58	$ 0.25
Loss from discontinued operations (in dollars per share)				$ (0.01)
Net income (in dollars per share)	$ 0.30	$ 0.15	$ 0.58	$ 0.24
SHARES USED IN COMPUTING INCOME (LOSS) PER SHARE:
Basic (in shares)	37,293	37,155	37,184	37,126
Diluted (in shares)	37,631	37,332	37,444	37,265
DIVIDENDS PER SHARE (in dollars per share)	$ 0.055	$ 0.05	$ 0.155	$ 0.15