A chemical heating assembly includes a face plate, a chemical packet, a housing, a pair of electrical prongs carried by the housing, and a light assembly. The housing includes a first sliding arrangement and a first snap-fit arrangement, is connected to the face plate, and at least partially defines a pocket for the chemical packet. The light assembly includes a lamp, a second sliding arrangement engaged with the first sliding arrangement, and a second snap-fit arrangement coupled with the first snap-fit arrangement. The light assembly is mechanically connected to the housing and electrically connected with the pair of electrical prongs using the first and second sliding arrangements and the first and second snap-fit arrangements.