Portable chiller is a cooling system that removes heat from one element and deposits into another. The chiller is a self-contained unit including compressor, evaporator, condenser, process pump, and coolant reservoir. It can be used to cool any machine or process that operates at 60° F or lower.

Portable chlorinators are used in swimming pools and sewage treatment plants. These are relevant to aircraft carriers, surface ships and submarines. It is used for measuring and controlling chlorine dosage for well treatment to kill iron bacteria and oxidize slime. It is also used in cases of emergency and air raid precautions.

Portable collapsible water tank is designed for rural areas where water is difficult to supply. It doubles the firefighting capability at the fire scene.