Exhibit 12.1

Goodman Global, Inc.

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

(in thousands)

	Year Ended December 31,
	2003	2004	2005		2006		2007
Earnings:
Income (loss) from continuing operations before income taxes	89,111	42,644	40,697		98,355		161,556
Fixed charges	28,186	15,058	78,450		83,531		74,024
Capitalized Interest	—	—	(879	)	(1,347	)	(385	)
Total adjustments	28,186	15,058	78,450		83,531		74,024
Earnings adjusted for fixed charges	117,297	57,702	119,147		181,886		235,580
Fixed charges:
Interest expense	26,081	12,478	74,213		77,825		68,378
Capitalized Interest			879		1,347		385
Portion of rent expense representative of interest	2,105	2,580	3,358		4,359		5,261
Total fixed charges	28,186	15,058	78,450		83,531		74,024
Ratio of earnings to fixed charges	4.2	3.8	1.5		2.2		3.2