A disinfecting spray module that can either be retrofit to an existing housekeeping cart or integrated into the housekeeping cart. The disinfecting spray module includes a storage container for receiving a disinfectant or cleaner. An electric pump withdraws the disinfectant and supplies the pump through a spray hose. The spray hose includes a handle having a nozzle to direct the disinfectant onto the surface to be cleaned. The disinfecting spray module can include an internal power supply or be connected to a source of electricity within the room being disinfected.