A “manufactured home” is defined as a structure which is transportable in one or more sections and which, in the traveling mode, is at least eight feet in width and at least forty (40) feet in length, or when erected on site is at least three hundred twenty (320) square feet, and which is built on a permanent chassis and designed to be used as a dwelling with or without a permanent foundation when connected to the required utilities, and includes the plumbing, heating, air-conditioning, and electrical systems; a manufactured home also may be any structure that meets all of the foregoing requirements except size, and which the manufacturer has voluntarily filed a certification with the Department of Housing and Urban Development and complies with the standards of that agency. Manufactured homes are sometimes referred to as mobile homes or house trailers. T.C.A. § 55-1-105.