This exam is required to be passed to obtain your State license. We stock all reference books in our online store. Shipping is always fast and affordable.
About This License
Heating, Group 1 is deemed and held to be: the heating system of a building , which requires the use of high or low pressure steam, vapor or hot water, including all piping, ducts, and mechanical equipment appurtenant thereto, with, adjacent to or connected with a building, for comfort heating.
The two classifications for a North Carolina heating group 1license are Class I and Class II. A Class I heating license is for commercial, residential, industrial and institutional buildings whereas a Class II heating license is for single family detached residential dwellings only.