An electric fireplace includes a fireplace housing having a housing first and second side walls and a housing top wall, a housing floor, a housing back wall, and a housing open end opposite the housing back wall; a flame simulator mounted inside the housing; a diffusion screen removably mounted upright within the housing in front of the flame simulator; an ember bed simulating the appearance of fireplace fuel such as fire wood, embers or coal, and removably mounted inside the housing in front of the flame simulator, so that removal of the ember bed and the flame cutout panel provides access to the flame simulator from the housing open end; and a hot air generator removably mounted inside the housing to be accessible from the housing open end.