Abstract: A portable steam generator includes a power source in a housing, a water tank in the housing, a heating element in the housing and configured to heat water in the water tank to produce steam using power from the power source, and a track on the housing configured to support the portable steam generator in an installation position and allow manual removal from the installation position. A pre-plumbed integrated bathroom panel includes a plumbing inlet configured to provide water to the panel, a water outlet connected to the plumbing inlet, a steam outlet connected to the plumbing inlet and a heating element, a sanitizing outlet connected to the plumbing inlet and an additive generator, valves for directing water from the plumbing inlet to the at least one water outlet, the at least one steam outlet, and the at least one sanitizing outlet, and a controller configured to operate at least the plurality of valves.