CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
CONSOLIDATED STATEMENTS OF OPERATIONS
REVENUE	$ 428,760	$ 410,565	$ 1,242,240	$ 1,196,679
COST OF SERVICES	335,944	323,100	986,496	962,477
Gross profit	92,816	87,465	255,744	234,202
SELLING, GENERAL AND ADMINISTRATIVE EXPENSES	61,032	57,902	180,245	168,967
GAIN ON SALE OF ASSETS	(166)	(298)	(523)	(625)
Operating income	31,950	29,861	76,022	65,860
OTHER INCOME (EXPENSE):
Interest income	3		6	68
Interest expense	(563)	(399)	(1,870)	(1,358)
Changes in the fair value of contingent earn-out obligations	804		468	125
Other	80	37	455	64
Other income (expense)	324	(362)	(941)	(1,101)
INCOME BEFORE INCOME TAXES	32,274	29,499	75,081	64,759
INCOME TAX EXPENSE	11,803	9,613	27,052	22,202
NET INCOME INCLUDING NONCONTROLLING INTERESTS	20,471	19,886	48,029	42,557
Less: Net income attributable to noncontrolling interests		2,213		6,414
NET INCOME ATTRIBUTABLE TO COMFORT SYSTEMS USA, INC.	$ 20,471	$ 17,673	$ 48,029	$ 36,143
Basic-
Net income (in dollars per share)	$ 0.55	$ 0.47	$ 1.28	$ 0.97
Diluted-
Net income (in dollars per share)	$ 0.54	$ 0.46	$ 1.27	$ 0.96
SHARES USED IN COMPUTING INCOME PER SHARE:
Basic (in shares)	37,360	37,552	37,380	37,431
Diluted (in shares)	37,821	38,007	37,854	37,844
DIVIDENDS PER SHARE (in dollars per share)	$ 0.070	$ 0.065	$ 0.205	$ 0.185