At this time, portable room air conditioners are not labeled as ENERGY STAR qualified products. The code of federal regulations has no federal standard to regulate the energy consumption of portable air conditioners. ENERGY STAR will determine whether to add portable air conditioners to the program once a federal standard is set.
Portable air conditioners are small movable units often used to supplement a room's existing cooling. They are considered a useful short-term solution for cooling and dehumidification during the Summer months.