Steam cleaners are infrequently used to kill allergens, dust mites, bacteria, mildew, fungus etc on the exterior being cleaned. Household steam cleaners are used to clean kitchens, lavatories, carpets for example. Steam cleaners can be employed to wash just about any surface like floors, curtains, furniture, and nearly any surface which is heat evidence. The standard steam cleaner uses hot water to wash the surface. The conventional steam cleaner is composed of a boiler, a picking up tank, a hose and brushes.