Island Hoods are more difficult to install and are difficult to have inspected. You must consult your Licensed Contractor to ensure you are meeting all local, state, and federal requirements. This island range hood type is a one piece construction and may not be inspectable in the format your local inspector needs. You are 100% responsible to inquire (before purchase) if this unit will meet your inspection requirements. Hoodsly charges a 25% restocking fee on this item If it is returned for any reason other than freight damage or quality failures. You will need considerable carpentry, electrical, and potentially finishing skills to complete this install. You will or may need to cut, fabricate, chisel, sand, and or wire to complete. We highly recommend a licensed contractor for installation of this island range hood.