Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2019

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregation of Revenue

Disaggregated net sales by major source:

	Three months ended   June 30,				Six months ended   June 30,
	2019		2018		2019		2018
Rooftop Units	$	88,757	$	83,665	$	177,100	$	158,480
Condensing Units	5,156		4,855		9,206		9,136
Air Handlers	6,033		6,553		11,627		11,793
Outdoor Mechanical Rooms	825		894		1,307		1,867
Water Source Heat Pumps	6,822		2,741		12,666		7,128
Part Sales	8,799		6,702		15,289		12,662
Other	3,045		4,178		6,064		7,604
Net Sales	$	119,437	$	109,588	$	233,259	$	208,670

Disaggregated units sold by major source:

	Three months ended   June 30,		Six months ended   June 30,
	2019	2018	2019	2018
Rooftop Units	3,797	4,175	7,559	7,643
Condensing Units	479	625	873	1,036
Air Handlers	537	818	1,117	1,354
Outdoor Mechanical Rooms	10	13	21	27
Water Source Heat Pumps	2,377	1,004	4,666	2,618
Total Units	7,200	6,635	14,236	12,678