A mobile fire fighting training facility (10) that can be easily transported to a training site and that more realistically simulates an actual fire is disclosed. The fire training facility includes a mobile housing (12) having a plurality of exterior walls (18,20,22,24,26) and an interior chamber 28, fire generating means (32) coupled with the housing for generating a fire in the interior chamber of the housing, and a plurality of foldable extension panels (50,52,54) attached to the exterior of the housing. The outer surface of each foldable panel resembles a portion of the exterior or facade of a stationary building such as a house. The foldable panels are shiftable between folded, transport positions wherein the panels overlie a portion of exterior walls of the housing and extended, use positions wherein the panels are positioned adjacent to and substantially coplanar with one of the exterior walls of the housing.